Ddr3 ram timing calculator. Memory timings are measured in clock cycles .

Ddr3 ram timing calculator Adjusting these timings can significantly impact performance and stability. It suggests stable memory timing sets optimized for your memory kit, for example B-die. Memory Timing Parameters for QDR II and QDR II+ SRAM Controller with UniPHY Intel FPGA IP 7. MAX® 10 DQ/DQS Groups 2. XMP profiles are created by the memory manufacturer and are typically tested to ensure stability and reliability. This calculator simplifies the process of calculating RAM latency by providing users with a quick and efficient way to input the necessary On this page, you'll find a tool designed to help you calculate the precise nanosecond timing of computer memory and convert these timings across different MT/s (Mega Transfers per second) ratings. Random Access Memory Timings are numbers such as 3-4-4-8 Feb 17, 2024 · The DDR5 RAM Latency Calculator is a valuable tool used to determine the latency of DDR5 RAM modules. This is a RAM latency calculator. Apr 17, 2019 · Added functionality to read current memory timings for Zen 2 (AM4). Lower numbers are better, but as the memory clock speed increases, the timings can and generally need to increase too. Führen Sie den Ryzen DRAM Calculator aus: Extrahieren Sie den DRAM Ryzen Calculator an einen bevorzugten Ort. 8V first or if it is too over the voltage limit it will fully kill your ram same goes with overvoltage in other computer Oct 30, 2024 · System Name: The Workhorse: Processor: AMD Ryzen R9 5900X: Motherboard: Gigabyte Aorus B550 Pro: Cooling: CPU - Noctua NH-D15S Case - 3 Noctua NF-A14 PWM at the bottom, 2 Fractal Design 180mm at the front Jan 22, 2025 · RAM Speed Comparison FAQ DDR3 vs DDR 4 – How much faster is DDR4. For any game with a core data set larger than the CPU's cache system can hold, latency directly affects frame times - any object that must to be checked for render calls and any object which is impacted by physics, player actions, or AI needs to be loaded from RAM with every single frame drawn, and each of these actions will have the CPU waiting on the RAM for set the voltage at 1. TWR=TRTP+TCL 4. It takes into account the memory frequency and several timings to compute the result. 1. MAX® 10 External Memory Interfaces Maximum Width 2. Learn how to calculate DDR3, DDR4, and DDR5 memory First Word Latency so you can choose the best modules for your performance needs and budget. Apr 4, 2013 · DDR3 is much more hard to overclock than DDR2, you'll need maybe a 10-11 cas latency, 1. However, the accuracy of these calculators can be affected by factors such as variance in benchmark results, lack of real-world data, and complex interactions between components. 7V or 1. Memory Timing Parameters for RLDRAM II Controller with UniPHY Intel FPGA IP 7. now start bringing down the timings one at a time from left to right. RAM timings refer to the various delays and latency settings that determine how quickly the RAM can respond to requests. Which of course decreases the perf. Hertz is cycles per second, meaning if you have something that is running at 5hz, you have 5 cycles per second. MAX® 10 External Memory Read Datapath 2. True RAM latency, measured in nanoseconds (ns), combines CAS latency with the RAM’s frequency. Skill stick to 4404MHz. Denn sonst wisst ihr nicht welcher Wert ggf. Memory Parameters for RLDRAM 3 UniPHY Intel FPGA IP DDR3: Double Data Rate synchronous dynamic random access memory version 3 Double Data Rate means that this memory transfers data on both the rising and falling edges of the clock signal. UniPHY IP References for MAX® 10 Devices 6. Video Encoding (1080p TP -> mkv with H. (Lower is better!) Search for jobs related to Ddr3 ram timing calculator or hire on the world's largest freelancing marketplace with 23m+ jobs. The second example, shown in . Memory speeds are sometimes listed as "MHz," but this can be a bit misleading, you should always use MT/s when talking about computer memory. Enter the CAS Latency (CL). Feb 14, 2025 · The RAM Latency Calculator is a handy tool for determining your memory’s response time in nanoseconds. Memory timings are measured in clock cycles Jul 2, 2018 · Memory manufacturers technically produce strictly JEDEC-defined varieties of RAM, like DDR3 1600MHz 11-11-11-28, but can make them capable of higher speeds and market them as such. 0. Memory bandwidth refers to the amount of data that can be transferred to and from the RAM in a given time. Then just work your way down the list of timings. Memory voltage is a key ingredient to achieving a stable overclock. What is CAS Latency (CL)? CAS Latency (CL) is the number of clock cycles it takes for your RAM to respond to a command from the memory controller. That’s not the case with speed ratings, however. I went from a trashtop Xeon X5460 with 8 Gigs of DDR2 800 MHz to i5-4590 with 16 Gigs of DDR3 1600 MHz. MAX® 10 External Memory Write Datapath 2. Dec 11, 2020 · Berechnung der Timing Werte mit dem DRAM Ryzen Calculator. 5V as long as your temps are looking good - for SOC voltage you should start Jan 31, 2020 · It lets you feed in settings you know, and calculates the most optimal related settings (such as latencies), so you get the most from your memory overclock. 4. They are generated by your IMC, after your board probes it repeatedly looking for a stable configuration. May 1, 2017 · Tertiary Timings: These are timings that are NEVER listed anywhere on a marketing page, and are different per motherboard/CPU IMC/ ram IC. Basically, if you want to overclock any DDR4 RAM kit on a Ryzen platform, this method should give a an excellent starting point!-----. Aug 21, 2020 · So you can use the XMP-1864 timings at 1600 Mhz. The 8n prefetch architecture, with an interface designed to transfer two data words per clock cycle at the I Jul 30, 2018 · User 1usmus is the programmer of Ryzen DRAM Calculator, a must-have tool for any PC enthusiast with AMD Ryzen-powered machines. Version 1. TFAW=TRRD+TWTR+TCWL+TRTP (if you push the ram too hard super low tight high performance timings then you need some voltage DDR3 any kind of model can do 1. Jul 18, 2022 · Here's the original Excel Spread Sheet file for those who want it: RAM Timings. exe ; 2. 0 adds certain memory benchmarks to the utility, including a benchmark for memory bandwidth (reads and writes), and AMD processor inter-core latency tests. 1. Jan 21, 2022 · Hey guys, decided to try messing around with some ram timings and I'm a bit confused on where to put a some timings. 2. Maxing out FCLK means you pass memory stress tests, and also don't get any WHEA errors. 2 Basic Functionality. Filling out the basic RAM setting: RAM Latency Calculator. Memory timings on the other hand are measured in dividual clock cycles. The speed of DDR4-3200 is 3200 MT/s. This tool calculates the latency associated with Random Access Memory (RAM). Aug 29, 2012 · DDR3: Double Data Rate synchronous dynamic random access memory version 3 Double Data Rate means that this memory transfers data on both the rising and falling edges of the clock signal. “Calculate FAST”. Use this tool to calculate your RAM’s latency based on its speed and timings. For better understanding, the timing diagram of a memory with timing parameters 3-3-3-10 (assumed) is presented in figure 4. Oct 3, 2024 · Why is lower RAM latency better? Lower RAM latency means faster access to data stored in memory, resulting in quicker response times and higher overall system performance. xls Here's a sample of the Sticker that shows yoru RAM timings, you can usually either find a picture of the RAM Timing Stickers online for your Memory Module of choice or it'll be listed in the product listing. Improved the accuracy of Random and Custom latency test. My question is about "tRFC" and "tRFC (alt)". Заполнение основных настроек ОЗУ: Processor: Выберите ваше поколение процессора в выпадающем меню. My previous G. The physical slots for the different standards don’t even match, so it should be impossible to install the wrong DDR standard anyway. Feb 8, 2023 · This means two identical RAM sticks installed onto your motherboard, running in synchronicity to achieve their fully-rated speeds. 275%) worse than any of the marginally stable configs I tried at 3400 (e. Because memory modules have multiple internal banks, and data can be output from one during access latency for another, the output pins can be kept 100% busy regardless of the CAS latency through pipelining; the maximum attainable bandwidth is determined solely by the clock speed. Jul 28, 2024 · Putting the MHz and CL (timings) into an equation can determine the actual speed of your RAM. AIDA64 doesn't react to a lot of subtimings which impact performance greatly, like tRRDS/tRRDL Feb 3, 2015 · True, but ~$50 CDN at the time (before the RAM prices started to climb) it was hard to pass up. TRAS=TCL+TRCD+TRP 2. Arbeitsspeicher: wenig spektakulär, aber wichtig. Oct 4, 2024 · 3. Note the different pin configurations on DDR3 and DDR4 RAM. After looking around a bit I went ahead and put all the timings in the OC tweaker section. Figure 4, is the write leveling calibration result for a reference board using DDR3 memory chips on a DIMM module. CAS stands for column address strobe or signal. DDR3 vs DDR4 RAM. The DDR3 SDRAM is a high-speed CMOS, dynamic random-access memory internally configured as a eight-bank DRAM. It may do less, but I haven't tested it so far. This determines the amount of cycles to refresh a row on a memory bank. Ryzen DRAM calculator is designed to work with all AMD Ryzen Zen architecture first and second generation processors. This is why 1600mhz DDR3 memory appears as 800MHz in cpuid. Dec 1, 2005 · tRRD Timing: Row to Row Delay or RAS to RAS Delay. Using Ryzen DRAM calculator you can achieve higher memory overclocks with better stability. Probably have to increase your voltages though. DDR3 SO-DIMMs have 204 pins, while DDR2 SO-DIMMs have 200 pins. 6. It seems that those RAM timing calculating rules just don't apply. Note: My tRCD and tRP are stock, at 19, because motherboard seemingly can't change their values. 5. Enter Transfer rate associated with DDR memory CAS Latency Formula Clock Cycle Time (ns) = 2000/Module Speed where Module speed is specified in Mega Transfers per second. The DDR3 SDRAM uses a 8n prefetch architecture to achieve high-speed operation. Ryzen DRAM Calculator 1. 264) Tested ram timing I have a 3600 on a x570 steel legend 1. The real benefit from reducing secondary timings would really be to stabilize lower primary timings at any given frequency as opposed to actually DRAM Calculator for Ryzen v1. While a RAM’s data transfer rate tells you how many mega transfers (1,000,000 data transfers) the RAM can do in one second (a DDR4-3200 RAM can conduct 3,200 mega transfers in 1 second), its CAS latency is also important for understanding RAM performance. To determine the actual memory speed, substitute CAS(CL) and Frequency in the fields. So for example, you try changing CAS latency from 18 to 16, and then repeat the stability test, without changing other variables. MAX® 10 External Memory Interface User Guide Archives 7. Well, we have developed our latency calculator tool that will help you calculate the RAM latency of your kit. Fly-by Topology with DDR3 Memory . Bandwidth is often expressed in gigabytes per second (GB/s). 3 – бесплатная утилита, с помощью которой можно проводить настройку оперативной памяти на системах с процессорами AMD Ryzen. Calculates the absolute latency for DDR memory accesses in nanoseconds using the data rate (MT/s) and CAS latency (CL). Added an Inter-Core Latency test (AM4). It's not. e. CAS latency or 'ticks' are effectively an amount of clock cycles that the CPU & Memory Controller has to wait for the RAM to complete various tasks. The delay between when the IMC activates a column of memory and when a write command is executed. MAX® 10 External Memory Interface Implementation Guides 5. The old DDR2 timings were 6-6-6-18 and the new DDR3 ones are 11-11-11-28, and that looks a lot higher. Feb 19, 2015 · As with earlier memory generations, faster DDR3 memory became available after the release of the initial versions. Jan 1, 2025 · This tool calculates the latency associated with Random Access Memory (RAM). CL / Timing vs MHz / Frequency. DDR3 RAM usually has a CAS latency of 9 or 10, while DDR4 will have a Jun 25, 2012 · A memory with CL=4 need not be slower than the one with CL=3. Here’s how you can adjust the RAM timings: Sep 9, 2019 · AMD’s Ryzen 3000 series processors can run memory faster than DDR4-3600, but the company has encoded limits into base firmware that cause the memory controller to run at half-speed and other DDR3 SDRAM. MHz is the clock rate: 1000/clock == the number of nanoseconds each clock takes. My current ram is 3600 C14 corsair dominator 2x16gb. MAX® 10 External Memory Interface Design Considerations 4. Вы Sep 6, 2019 · Press the purple "R - XMP" button at the bottom to load your kit's XMP profile. Added a memory bandwidth test (Read and Write). It is the opposite of tRAS. I ran DRAM calculator for Ryzen and below is what it's suggesting. This is the current type of memory used in modern systems. Memory frequency is measured in the unit for frequency being hertz. Using AIDA64 as a benchmark to determine which timings change performance, and which don't, is also a pretty poor idea. 7. As in Jan 23, 2025 · The number of pins in DDR3 RAM is the same as in DDR2. Jul 25, 2023 · RAM is random access memory, and it is the memory that is used for your open applications and programs while you are working on the computer, tablet, smartphone, or other device. Aug 9, 2020 · Die Abkürzung RAM steht für den englischen Term “Random Access Memory” und bedeutet auf Deutsch ganz unspektakulär Arbeitsspeicher. Запуск Ryzen DRAM Calculator: Извлеките DRAM Ryzen Calculator в желаемую папку. Another thing I've noticed, is that tRDWR will be different on each memory channel, so for example 9/10. Jul 28, 2018 · Hi guys, I created a calculator that will make it easier to overclock the memory. 90 bios using corsair vengeance rgb pro 3600mhz CL18 ram DRAM calculator gave me the below timings to change. Skill RipJaws DDR3-1600 kit pretty much ran at specified speed, and that was it -- and they were $109 when I bought them back in 2010 / 2011. May 10, 2013 · if an 8gb DDR3 SDRAM 1600MHz has a timing of 8-8-8-24, how can I calculate if it will have a better performance than a 2x4gb DDR3 SDRAM 1866MHz with a timing of 9-10-9-28? Also, will a 2x4gb DDR3 SDRAM 1600MHz with a timing of 8-8-8-24 be better than both of the previously mentioned? note: both of the 2x4gb have dual channel. As with CPU overclocking, increasing the input voltage of a component will result in higher energy consumption and greater heat output. Dec 11, 2020 · 1. DRAM calculator is a bit on the lower end when it comes to voltage suggestions - so feel free to increase them beyond the recommended values (DRAM voltage not higher than 1. gains from that one timing. The lower the absolute latency the better. it's newbie on this forum. 3. DDR, DDR2, and DDR3 RAM memories are classified according to the maximum speed at which they can work, as well as their timings. and the timings high, like 13-13-13-40. If we continue our discussion of RAM disparities, how does DDR4 RAM equate to DDR3 RAM? DDR3 was released in 2007, and although it is still May 10, 2020 · Ihr könnt nun versuchen die Werte vom DRAM Calculator unter „Calculate FAST“ direkt zu testen, oder euch langsam Schritt für Schritt von einem zum nächsten Wert in die Richtung von „Calculate FAST“ vor zu arbeiten, was zu empfehlen ist. Enter the tRCD, tRP, and tRAS timings. Lavalys Everest Cache & Memory Benchmark (Bandwidth & Latency) 3. In general, this allows you to make comparisons between differing RAM modules. DDR3-RAM: welchen Takt nehmen? Aug 13, 2021 · I also tested my DDR3 system and it has CL10 and tRCD11, but it remains stable with tRAS set to 16. DDR4 is essentially the next natural iteration from DDR3. When you only have a single RAM stick, you’ll be running it at half speed (single channel), and this is where even relatively modern standards like DDR3 can start seeming too slow for intensive tasks. (4 * tRC applies to DDR3 only). tRFC Timing: Row Refresh Cycle Timing. Oct 6, 2024 · DDR3: CL8 – CL10: Decent: DDR4: CL14 – CL18: Excellent: DDR5: CL30 – CL40+ Using a RAM timing calculator can help determine the best RAM speed vs latency RAM Speed. Apr 3, 2019 · 3) No one timing will give you "magic bullet" to increase RAM performance by 10%+. May 6, 2016 · CAS latency Effect on memory access speed. 65V and to manually set all sub timings (at least 15-20+ of thoses ones) Aug 4, 2022 · The number of cycles for these actions is denoted by the memory timings. MAX® 10 External Memory Interface Overview 2. After experimenting with the memory timings, you might need to modify the memory input voltage. You'll find that many of the timings are tightened up. How does data rate affect RAM latency? The data rate (measured in MHz) is the speed at which data can be read or written to RAM. A bottleneck calculator is a tool that estimates the potential performance impact of a specific component in a computer system. 5 days ago · On this page, you'll find a tool designed to help you calculate the precise nanosecond timing of computer memory and convert these timings across different MT/s (Mega Transfers per second) ratings. 9. . Nov 19, 2023 · Fine-tuning the timings of your DDR3 RAM is an essential step in the overclocking process. Tests include: 1. For example, RAM Latency Calculator. You can calculate RAM latency using the formula: RAM Latency = (CAS Latency x tCLK) / 1000. DDR3-2000 memory with 9-9-9-28 latency (9 ns) was available in time to coincide with the Intel Core i7 release. The formula to calculate RAM bandwidth is: Apr 10, 2023 · XMP, or Extreme Memory Profile, is a pre-configured set of memory settings that enable your RAM to run at higher speeds and tighter timings with just a few clicks in your BIOS or UEFI. As such, a lower RAM latency is better as it means your RAM will perform faster, leading to smoother performance. Values of timings and other parameters for overclocking RAM to the highest possible performance. 2. 5 ns. 1 Last update : May 13th 2019 >> Download latest version >AMD Ryzen Memory Tweaking & Overclocking Guide Tightening timings individually just means you work on each one individually. It all depends on what clock frequency both of them work and accordingly, absolute latencies can be calculated for each of the two. Use the true latency of tRC for this calculation for accuracy's sake (i. Click Calculate. It’s determined by both the clock speed and the width of the memory bus (typically 64 bits). 4) There are rules about how timings affect each other, but those way more flexible than you think. This calculator helps you determine the latency of your RAM in nanoseconds (ns). Some changes in the suggested CAD_BUS settings. Mar 9, 2019 · While DDR4 RAM is newer with better storage density and power efficiency than DDR3 RAM, it tends to have higher CAS latency. Old calculator. TRC=TRAS+TRTP 3. Wir geben euch interessante Wissenstipps zu RAM sowie eine Marktübersicht. I would assume that higher is worse, becase there is some CAS latency or something and latency means delay which is bad? Apr 1, 2021 · Tighter timings should be doable if you have decent B-Die. 45V, since you have B-Die maybe even 1. Hier importieren wir den HTML-Bericht, den wir aus dem Thaiphoon Burner exportiert haben und berechnen die Timing-Werte für Ihren RAM. MAX® 10 I/O Banks for External Memory Interface 2. It's free to sign up and bid on jobs. First question is, which part of the bios do I change it too. The tool simplifies the process of finding the right memory clock, timing, and voltage combination by adjusting other settings to match the setting you key in. Er ist neben dem Hauptprozessor und der Grafikkarte einer der wichtigsten Bestandteile, die die Leistung und die Geschwindigkeit deines PCs beeinflussen. So it seems it's directly related to frequency. that's it. Jun 25, 2012 · A memory with CL=4 need not be slower than the one with CL=3. The amount of cycles that it takes to activate the next bank of memory. MAX® 10 Memory Controller 2. ” This number represents the Ram CAS latency. Learn about RAM timings, speeds, and real-world latency. Enter the Memory Frequency in MHz. Go back. RAM Latency and Computer Games . Запустите Ryzen DRAM Calculator(version). For example, a 3200MHz clock leads to 0. Jun 24, 2011 · Hello. Document In my personally experience, my ram at a stable 3200 at 16-17-17-32 with tight sub timings was just a hair’s breath (0. Je höher also die Leistung des Arbeitsspeichers, desto schneller lassen sich Daten verarbeiten? Das Mixing DDR3 Ram With different Timings/Voltage Build Help I have an older SandyBridge I7-2600K PC with a P8P67 Deluxe motherboard current using 2x4GB Gskill RipjawX Ram(F3-12800CL9D-8GBXL) @ 1600mhz, CL9 1. MAX® 10 Address/Command Path 2. eine Instabilität hervorgerufen hat. The stick may be good enough to actually support the better timings set from1333 Mhz, or may support almost all those timings, with one or two loosened - for example 9-10-10-24-32 may work, or it may not. Enter . It takes the data rate (MT/s) and CAS latency (CL), then calculates the absolute latency for DDR memory accesses in nanoseconds. ASRock Timing configurator and ASUS MemTweakIt lies about tWR being tied to tWRPDEN too. 8. exe. It also calculates the clock cycle time. In my case, the following formula applies: tRDWR = tCL - tCWL + n, where n = 8 if the ram frequency is 3600 or lower, n = 9 if it's 4000 or higher, or n = 10 if it's 4800 or higher. It, on the other hand, runs at a lower voltage and faster timings. MAX® 10 External Memory Interface Architecture and Features 3. Forcing one timing too low will make RAM unstable and you might increase others to regain it. I have found DRAM timings in multiple locations. convert tRC to ns, calculate tRFC, convert back to timing). the proceed to up the frequency 1866-2000-2133-2200-2400 until it doesn't boot, back it down til it boots again. RAM Latency Calculator. 92V max or even more but make sure you go slowly and try 1. Oct 3, 2024 · Calculator. The DIMM module has a total of 9 memory chips (8 for data, 1 for ECC) and the signals are routed using the fly-by topology. 625 nanoseconds is closer to reality. Jul 4, 2013 · 1. Super PI 32M digits of Pi calculation 2. Transfer rate associated with DDR memory Let’s use the calculator to find the RAM latency for DDR4. Dec 10, 2020 · Calculating Timing values with DRAM Ryzen Calculator Here we will import the HTML report that we exported from Thaiphon Burner and calculate the timing values for your RAM. This is the formula that calculates the values from these factors and determines the precise RAM speed or absolute latency: Absolute latency = (CAS latency*2000) / Frequency. DDR4 RAM is double-clocked however, so you need a x2 to correct this factor. 3125 nanoseconds per clock tick. It simplifies the process of determining how efficiently a RAM module performs, especially for gaming, overclocking, or performance optimization tasks. 65v. The program will display timings, voltage values and other parameters, the setting of which is safe for RAM operation. The clock is the most fundamental timing of the RAM itself. I tested my memory with several different ram timing combinations. Dec 21, 2024 · The Ram Latency Calculator is a practical tool for computing the latency of computer memory (RAM) based on its specifications, such as clock speed and CAS (Column Access Strobe) latency. g 16-18-18-38), at which point I decided it was just pointless to waste more time on trying to get to a higher frequency. It works with all kinds of memory and all zen processors. Such timings should be set with caution, because… they can cause the RAM modules to overheat. In my bios I have tRFC, tRFC 2, and tRFC 4. For example, if you’ve DDR4-3200 memory with a CL timing of 16 and DDR5-6400 memory with a CL timing of 32, the latter will have twice the bandwidth. Memory Bandwidth. MAX® 10 PHY Clock (PHYCLK) Network 2. RAM latency, measured in nanoseconds, is a crucial factor in the performance of computer memory. The Jun 19, 2013 · My understanding of DRAM timings in general is that many timings overlap with respect to when they actually occur during any memory operation and several timings occur within the primary timings. It helps assess how quickly your RAM can respond to data requests, a critical factor for gaming, video editing, and other high-performance tasks. When you buy RAM, you will see listings that start with “CL. In specific scenarios with high timings and clocks you can actually make performance worse than with lower clocks and faster timings. The lower the timing, the better the performance, but it can cause instability. Enter in your Ryzen version and memory type, and press "Calculate SAFE" to calculate your timings. Jan 4, 2008 · I have a question: on your page 3 where you discuss the memory myth you do some calculations: "Because cycle time is the inverse of clock speed (1/2 of DDR data rates), the DDR-333 reference clock Jan 11, 2024 · The highest tier DDR3 RAM can run at speeds up to 3000Mhz, but the fastest ever recorded DDR3 clock speed was attained by professional overclocker, James Trevaskis, who managed to push a 4GB DDR3 – 3000Mhz G. but you'll quickly feel if your ram is unstable. tCWL: CAS Write Latency. I'd suggest just using those relaxed timings from xmp-1864 as those will work for sure. 5V Apr 19, 2024 · If your laptop or motherboard is rated for DDR3 memory modules, it can only use DDR3, not DDR2 or DDR4. Memory Timing Parameters for DDR2, DDR3, and LPDDR2 SDRAM Controller with UniPHY Intel FPGA IP 7. You need to reduce timings and increase clocks. You can use the "Compare Timings" button to view a comparison to your XMP settings. Run Ryzen DRAM Calculator: Extract the DRAM Ryzen Calculator to a preferred location; Run Ryzen DRAM Calculator(version). Jul 25, 2024 · With this RAM latency calculator, you can determine the latency for memory accesses of SRAM to DDR5 generations from the data rate and CAS latency. [10] CAS latency of 9 at 1000 MHz (DDR3-2000) is 9 ns, while CAS latency of 7 at 667 MHz (DDR3-1333) is 10. Rev. and of course stress test every time. msug pfy ekn ndckf hwbs gquc gnopa pdbp imqerak mbflz tjdwmp vvrdbre rrlcr yhnsm fhajctw