0, with the socket putting out 28 lanes in total. 65 V range. Whether that's a chipset limitation or a cpu/APU limitation is unknown as future gen cpus/APU's exceed those values. Learn. DDR vs. The slots are different, preventing a physical fit. We would like to show you a description here but the site won’t allow us. 35V but set it to 3200MHz. 2 Gen 2 Type-C ®, RGB FUSION 2. There’s no DDR4 “and” DDR5 on a Z690 motherboard, unlike (way) before when we transitioned from DDR3 to DDR4. How Much RAM Does My Motherboard Support? When considering RAM capacity, you need to consider the number of RAM slots your motherboard has and the total amount of RAM your motherboard supports. The existing RAM is 3200Mhz but runs at 2400Mhz. Its physically notched differently and the pins are mapped differently so you cannot plug it in and even if you could it would not be able to communicate with the motherboard. Not only this, you cannot mix RAM with different DDR versions on any motherboard. That. DDR6 RAM for general-purpose computing aims to go up to. 0 profiles to allow automatic and optimized overclocking performance. DDR3 SDRAM is neither forward nor backward compatible with any earlier type of random-access memory (RAM) because of different signaling voltages, timings, and other factors. LPDDR4 also has a more flexible burst length ranging from 16 to 32 (256 or 512 bits, 32 or 64 bytes), although 16 BL is mostly used. In addition, the motherboards will support Intel's flagship 13th Generation. Reply reply Izeet • Ok no worries thank you. The most remarkable improvement that comes with XMP 3. SKILL Trident Z Royal Series 32GB (2 x 16GB) F4-3200C16D-32GTRS. TEAMGROUP T-Force Vulcan Z 32GB (2x16GB) DDR4 3200MHz QVL. 1V) Motherboard. Hello, I'm new to the DDR4 technology and we'd like to use it on a new design with the MPSoC Ultrascale+ on the PS side. AM5 replaces the Socket AM4 and is AMD's first LGA socket designed for mainstream, non-enthusiast CPUs. DDR4 RAM is not backwards compatible with DDR3 motherboards and vice versa. It would be dangerous to put a DDR3 stick in a DDR4 socket. A DDR3 RAM stick will not fit into a DDR4 slot since it is not backward compatible. Both modules have key notches to lock them in place in the motherboard’s DIMM slot, but the pin layout on a DDR5 RAM module is different compared to a DDR4 module. Both DDR3 and DDR4 DIMMs are 5¼ inch (133. So, you cannot use a DDR3 memory stick in a DDR4 slot and vice-versa. It is crucial to check your system’s specifications and consult your manufacturer’s documentation before making the upgrade. Instead of 240 pins, each module features 288 pins. With Windows 32-bit operating systems, memory above 3 GB might not all be available due to system resource requirements. It is capable of data transfer speeds up to 5Gbps and backwards compatible with all existing USB products. This is why we've seen DDR2, DDR3, and DDR4 RAM after the original generation. This item:. Backward compatibility is a crucial principle in technology design and development. 5 to 1. You can only insert it into a slot made for DDR4 chips. 0, four M. 99. For richer feature and powerful performance on mini-ITX board Z690I AORUS ULTRA DDR4, ten layers mid-loss PCB was adopted to make it work. Intel's 12th, 13th, and 14th generation Core CPUs support both DDR4 and DDR5. 1. Latency. Compatibility: GDDR6 is not backwards compatible with GDDR5, meaning that it cannot be used in systems designed to work with GDDR5 memory. Thus DDR1/DDR2/DDR3/DDR4 all have different pin counts/locations making them physically incompatibale. 0 x8 card. Yes it will work just fine. 4. DDR5’s Compatibility with DDR4 Motherboards: Will DDR5 RAM Work on DDR4 Motherboards? No, DDR5 RAM is not backward. In comparison, DDR4 has 64-bit channels. 0 support for trouble-free automatic overclocking. We ALL wish was true statement and a real thing nowadays, but unfortunately you have to choose one or the other when purchasing your motherboard. 1. 2 VoltsA quick google returned the following instructions to enable memory overclocking: Open the bios menu by clicking the “F2” or “Del” button while starting or restarting the PC. However, DDR5 isn't backward compatible with DDR4; motherboards only support one or the other. Yes, if the board specifically states it is DDR5 only, then it can't use it. PC3-6400 = 800 MHz. Memory is designed to be backward compatible within its generation, so generally speaking, you can safely add faster memory to a computer that was designed. Select either a CPU or a Motherboard that you already own or know you’ll want. The 10th Generation Intel® Desktop Processors support only DDR4 memory. CT8G4DFRA32A. But this doesn’t mean that there isn’t a future where AMD may come out with a chipset – based on socket AM5 – that will have support for DDR4. The JEDEC standard expects DDR technology to scale up to 8 GHz by 2024. #4. XMP 3. In making a distinction between the DDR4 2400 vs DDR2 3200, first comes the storage. May 6, 2021 It’s been a good, long run, but the end may be sight for the supremacy of DDR4 RAM, the kind of system memory that powers most consumer PCs these days. Both modules have key notches to lock them in place in the motherboard’s DIMM slot, but the pin layout on a DDR5 RAM module is different compared to a DDR4 module. Yes, 2666 is technically backwards compatible, and the BIOS will clock it down to 2133, but it won't recognize all 4 sticks for some reason. Basically you can use either. Giving Alder Lake not just backwards compatibility with DDR4, but also making sure motherboard vendors will launch a pretty decent lineup of overclockable Z690 chipset-based boards with DDR4 slots was a much needed move by Intel. This also means the. Where are DDR4 devices manufactured? DDR4 is produced in Micron fabs around the world, including. Is DDR4 backward compatible with DDR3, DDR2 and DDR1? Category : Compatibility. Also, their design and electronic pin structures are very different. ShinyyVAL. The PCI Express x16 2. DDR4 is not backwards compatible with DDR3 motherboards. Well, we ran out of parts for some builds and have some 3200 parts available. 99. Supports Dual Channel DDR4 1866/ 2133/ 2400/ 2666/ 2933/ 3200. AMD processors based on the Zen 3 architecture will only work with 500-series AM4 Motherboards, so any quite far backward compatibility will be a waste of time. For example, Corsair Vengeance RGB Pro 32GB DDR4-3600 RAM modules cost $109. No, DDR5 RAM is not backward compatible with a motherboard that supports DDR4 memory. 16 of these go to the PEG slot (s), four to an M. It is my understanding that DDR3 is not forward or backward compatible with earlier iterations; so one cannot use now. Previous DDR generations are backward-compatible within tWhile the 12th Generation Intel® Desktop Processors support DDR5 (Up to 4800 MT/s) & DDR4 (Up to 3200 MT/s) speeds. Therefore, true memory latency of DDR4-3200 CL22 = 13. This means DDR4 motherboards and DDR5 memory aren’t cross-compatible. Therefore, you must invest in a DDR5-compatible motherboard and CPU to fully upgrade to the new standard. Q: How does XMP work on DDR4? A: Very similarly to DDR3, but with some caveats. 8V; DDR3, 1. The key notch locations on both RAM sticks look very similar at first glance, but if you stack them side by. PC3-8500 = 1066 MHz. Since DDR4 is still relevant, consider taking time before upgrading to DDR5, especially if it’s for PC use. ASUS PRIME Z690-P WIFI – Scan – Amazon. So in layman’s. 2V. To be clear, DDR5 is not backward compatible with DDR4 because it uses a different DIMM slot. 2 slots, USB 3. PCI-Express versions are backward compatible, meaning that you can use a PCIe 4. View full post. Sold by Silicon Power USA Inc and ships from Amazon Fulfillment. Or buy 1 stick of ddr5 while knowing that most likely u would upgrade ram later. backward compatible with the original slower speed bins. With this change, DDR5 memory ICs require less power, with Vdd dropping from 1. IMO I would say just go for a DDR-5 mobo. Based on your current part and an assuming operating point of 1200MHz (DDR4-2400Mbps) the MT40A512M16JY-075E is backwards compatible to the DDR4 2400T (17-17-17) speed bin:. Q: How does XMP work on DDR4? A: Very similarly to DDR3, but with some caveats. Mhz | Monitor Alienware AW2721D / Gigabyte M28U | PSU ASUS ROG Strix 850G. 1V of power. Both DDR4 and backwards compatible, with 2666MHz and 2400MHz. The speed is backward compatible but will need the motherboard to be compatible. So, DDR4-1600 might also be called PC4-12800, and DDR4-3200 might also be called PC4. The key notch locations on both RAM sticks look very similar at first glance, but if you stack them side by. -The Coffee Lake LGA1151 socket supports only DDR4 memory. A DDR3 RAM stick will not fit into a DDR4 slot since it is not backward compatible. Both Raptor Lake and Alder Lake were originally confirmed to share the exact same socket and will be both forward- and backward-compatible with 600-series and 700-series chipsets. RAM Recommendations. Why is DDR5 not backwards compatible? RAM compatibility is powered by the installed CPU and installed motherboard. 0 slots or Thunderbolt 4 are out of the question. -The Coffee Lake LGA1151 socket uses the same number of pins, but pin usage is different-The Coffee Lake LGA1151 socket provides more wattage for processors. Is PCIe 4. Take a stick of DDR4 memory, place it onto the converter card, and insert it into a motherboard’s DDR5 slot. The PNY Performance 16GB DDR4 Laptop Memory Kit allows you to upgrade your PC's memory for faster and smoother computing experience. DDR4 RAM speed compatibility. Now, we are currently on a transition phase, from DDR4 to DDR5 memory. Specification. Backwards compatibility will gimp it. The answer is no, DDR5 has a different pin layout than DDR4 motherboard. Winner: DDR5 in terms of transfer rate. (PC4-21300), and backwards compatible with lower frequencies (2400MHz and 2133MHz) CAS Latency of 19, 1. The DDR4 form factor is optimized for the latest DDR4 systems and offers higher frequencies, greater bandwidth, and lower power consumption than DDR3 modules. Can I use ddr4 memory in z690 in ddr5 slot. If the cost of DDR4-2666MHz is cheaper for you, then a DDR4-2133MHz kit, then you can go for the higher frequency ram but please keep in mind not. NOTE: DDR3L low voltage memory - NOT backward compatible with DDR3 memory What is DDR3L memory? Model Memory Type Dimm Slots Max System Memory Memory Compatibility; Latitude 3330: DDR3/DDR3L: 2:. No no no. RAM. This is the list of components so far: However regarding the RAM I was unsure as to which one I should pick. 3,167. FURY Plug N Play memory will run in DDR4 systems up to the speed allowed by the manufacturer’s system BIOS. 5v only while DDR4 consumes 1. To make sure a new graphics card will work with PC, you’ll need: PCIe x16 slot on your motherboard. 0 and HDMI 1. DDR4 vs DDR3 DIMMs. Voltage between DDR4 and DDR5 is different, as well as the pinouts. 0 slots, but your data transfer rate will be limited by the slower speeds of PCIe 3. 3. The “highest” I’ve seen is the Gigabyte Z690 Pro DDR4 & Aero G DDR4, the MSI MPG Edge DDR4 & MAG Tomahawk DDR4, or Asus ROG Strix Z690-A D4. The BIOS only autodetects RAM so it might work or it might not. No, DDR5 is not backwards compatible with DDR4 and this is a DDR5 board. Essentially Alder Lake's integrated memory controller (IMC) is ready for the fifth generation of double data rate (DDR) SDRAM but it is also compatible with last-gen. The key notch locations on both RAM sticks look very similar at first glance, but if you stack them side by. (PC4-21300), and backwards compatible with lower frequencies (2400MHz and 2133MHz) Cas latency of 19, 1. DDR5 is the memory standard of the future, but what benefits does it offer over DDR4? We reveal the key differences. 2. With a frequency speed of 2666MHz, it can run more demanding applications simultaneously. DDR3 works on 1. Supports Dual Channel DDR4 1866/ 2133/ 2400/ 2666/ 2933/ 3200/ 3333+(OC) 2. Be advised that storage capacity is important, but it isn’t the only thing that will determine the overall. This means that if the motherboard specifies DDR3 RAM, then its DDR3 RAM only that should go into the RAM slot. DDR4 SDRAM. 0 or PCIe 2. Select AI Tweaker/ Overclocking tab. HOW TO UPGRADE YOUR LAPTOP MEMORY. #2. No, DDR4 slots are not backwards compatible. DDR4: 2: 16 GB: 2133 MHz: Latitude 14 (E7470) DDR4: 2: 16 GB: 1600/2133MHz: Latitude E5570 & E5270: DDR4: 2 (Skylake -U. #1. C. 0 M. Is the answer helpful? RAM sticks, both DIMM on desktops and SO-DIMM on laptops, are NOT backward compatible. 2v only. 2 Volts 2. PRO series motherboards, tuned for better performance by Core Boost, Memory Boost, Extended Heatsink Design, M. 0 video card because all three variants of this slot are backward compatible. Can i use my ddr 4 3600 ram with it. This Release Notes and Known Issues Answer Record is for the programmable logic DDR4 IP core supported in. The easiest way to tell whether a particular RAM stick will work with your motherboard is to look at the specifications. just to clarify "pick up the values for 2400M/Ts***" you mean to go to the Speed Bin table for DDR4-2400, and choose 83 or 83D value for which the part 62E is backwards compatible for,and do the same for AC Timing Characteristics?One thing to keep in mind is that memory needs to be the same type - memory modules are not forward or backward compatible in terms of generation types so DDR3 will not work in DDR2 or DDR4. Just bought a new PC with ddr4 that has an empty slot for ram. 0. There’s XMP 2. We're currently using DDR4 2400P chips on our boards along with the ZU09 MPSOC. Hence, I will list which motherboards support DDR5 RAM in this article. The easiest way to tell whether a particular RAM stick will work with your motherboard is to look at the specifications. As a result, DDR SDRAM is not backwards compatible with SDR SDRAM. 0 Support. And that is just the beginning, memory manufacturers are already talking about pushing the bandwidth even. DDR4 SDRAM was released to the public market in Q2 2014, focusing on ECC memory , [6] while the non-ECC DDR4 modules became available in Q3 2014, accompanying the launch of Haswell-E. FAQ. Description. DIY BUILDER. All of the installed memory will work at 2400MHz. Alphacool: all of our CPU coolers are AM5 ready, supports Zen 4 CPUs. Supports Dual Channel DDR4 4933+(OC)/ 4800(OC)/. Due to the RAM technology, the DDR4 RAM will PHYSICALLY not fit in DDR3 slots. DDR3 RAM uses a 240-pin connector, while DDR4 RAM uses a 288-pin connector. Data Rate: 3200MT/s. The answer is no in the case of DDR5 RAM and DDR4 motherboards. Computers today use generations DDR3, DDR4, and DDR5, with DDR4 being the most common and DDR5 as the future. DDR4 is not compatible with any earlier type of random-access memory (RAM) due to different signaling voltage and physical interface, besides other factors. 50 V volatge: Operates on 1. Winner: DDR5 in terms of transfer rate. 2 Voltsphiletus said: "So if want to upgrade another 8gb of RAM" If you already have 2- 8GB dimms, you need to go to Matched 2-16MB dimms of 2400MHz or 2666MHz and they will run in dual channel. All. Or copy link. Prime Z690-P D4 caters to daily users and all builders looking for well-rounded specs and a range of options for performance tuning via. A motherboard will either support DDR4 or DDR5, but not both. MSI MEG X570 ACE. (PC4-28800), and backwards compatible with: 3200MHz, 3000MHz, 2933MHz, 2800MHz, 2666MHz, 2400MHz, 2133MHz. 5 Gb Ethernet. DDR5 has a different pin layout than DDR4 and DDR3. DDR4 RAM is not backwards compatible with DDR3 motherboards and vice versa. The maximum in my laptop is 16 GB, my idea would be to buy another 8 GB module that runs at the same frequency, the other option. Since RAM modules are NOT backward compatible, you cannot use a DDR5 RAM module on a DDR4 motherboard. The key notch locations on both RAM sticks look very similar at first glance, but if you stack them side by. Within the DDR family, only DDR3 is backwards compatible with DDR2 and DDR, while DDR4 is not officially backwards compatible with any generation. Reply reply Izeet • Ok no worries thank you. N: MT40A512M16HA-075E which doesn’t exist. The answer is no, DDR5 has a different pin layout than DDR4 motherboard. WD_BLACK™ SN770 is backwards-compatible with PCIe Gen3. May 17, 2018. The question of RAM compatibility is extremely complicated, so fitting RAM to motherboard is chancy if the RAM is not certified. It’s the same thing for SSDs and why PCIe gen 4 SSDs are compatible with gen 3 slots and vice versa. But, the card will work. 6. Do i look in Bios and adjust or check system ddr 4 speed. The design of AM5 clearly suggests that there could be some backward compatibility with existing AM4 coolers. The physical sockets are different among other things like input voltage, pin count, etc. 2 Gen 1 Type-C®, Thunderbolt™ 4 support and 2. Currently the Only Supported RAM generations are DDR3 ( for Server applications ) and DDR4 ( for general use)Additionally, the improved efficiency of DDR4 can lead to longer battery life for laptops and reduced power consumption for desktops, making it a more attractive option for mobile and power-sensitive applications. DDR4 and DDR3 have key notches in different places on the DIMM to prevent them from being mixed up, and Haswell-E and X99 are DDR4 only. Mar 28, 2010 9,745 6 46,265. On the downside, LPDDR4X isn’t backward compatible with LPDDR4. 3. For starters, Haswell-E tops out at a 2666MHz memory strap, which is very low for what DDR4 can do. But most interesting of these results is 7-Zip, with that huge file compressing more than 20% faster on DDR5 than even the DDR4-4000 result. DDR means Double Data Rate. The older generation’s memory is compatible with the newer generation’s memory. 85mm) than DDR3 (1mm). Is DDR5 Backwards Compatible? 2023 Discover the astonishing truth about the latest memory technology and how it affects your gaming performance. you cannot insert DDR4 RAM in a DDR3 DIMM slot. Gen 3 is currently more expensive than gen 4 for some reason and the sabrent SSD's are not available in europe. The modules will not even physically fit in the slot. Improved speed: With DDR5 technology, the minimum speed will be 4800Mhz. Amazon's. DDR4 is not backward compatible with DDR3 motherboards because the physical design of modules (DIMMs) for DDR4 and DDR3 are different. 5V and 1. DDR5s are more efficient: These memories work with 1. The 2666MHz will work, but you'll not know the exact limits of whether it'll take. Many mobos, you know, require matched DDR, and have. Head over to the PC Part Picker Builder. The placement of the DDR4 notch is different to the DDR5. Additional CPU PCIe lanes give both your GPU and SSD access to CPU lanes. To prevent accidental installation, the key notch on DDR4 modules is located after a different pin than DDR3 modules, ensuring it can’t slide into DDR3 slots. Yes, at least as far as Ryzen is concerned, those motherboards are backward compatible. The answer is no, DDR5 has a different pin layout than DDR4 motherboard. No, DDR5 is not backwards compatible with DDR4 and this is a DDR5 board. Immediately turned it off. 2023-08-23 14:20. and since they are backwards compatible, the worst you can ever do is plug a PCIe3 card into a PCIe4. For perspective, take a look at the speeds in commercially available RAM modules (and related GDDR modules) shown in the graph below (graphic provided by Keysight). Memory is designed to be backward compatible within its generation,. There’s XMP 2. HDMI 2. The short answer is, you absolutely can run it with DDR4 RAM. High performance DDR4 Desktop Memory designed for PC enthusiasts and gamers ; Exceptional performance with a frequency speed of 3200MHz (PC4-25600), and backwards compatible with lower frequencies (3000MHz, 2933MHz, 2666MHz, 2400MHz and 2133MHz) CAS Latency of 22, 1. Apparently, AM5 is a pure-DDR5 platform, with no backwards compatibility with DDR4. Intel's latest architecture, Skylake, will support DDR4 across all of its full-fat desktop chips, but it'll also be backward-compatible with DDR3, which adds a huge amount of versatility. 4 Gbps per pin at max, but initially, it stays at 4. Step 2: Take out the side panel (generally located on the left). The pinout will be different, the voltages will most likely change, and you won’t want to mix them up if possible. I don't know how well that would work out, because the memory controller is often. 19,160. 7600x + a cheap am5 mainboard = 460€ 5800x3d + a half decent mainboard = 500€ And since I need 32gb ddr5 ram (I use much ram, yes) that's another 150-200 added onto the am5 setup. You can either manually examine the RAM sockets on your motherboard, check the specifications with. Exceptional performance with a frequency speed of 3200MHz (PC4-25600), and backwards compatible with lower. Exceptional performance with a frequency speed of 3200MHz (PC4-25600), and backwards compatible with lower frequencies (2666MHz, 2400MHz and 2133MHz). With our compatible list for Corsair Vengeance LPX 32GB (2x16GB) DDR4 3200Mhz you'll always find the perfect supported PC part. Every generation of PCIe is backwards compatible. DDR4 is not backward-compatible with DDR3 so a DDR4 DIMM will not fit on a DDR3 DIMM slot. In just about any notebook, desktop, server or Mac, one of these types of modules will be used as the. The maximum frequency that your laptop(and your processor) will go is DDR4-2133MHz, so even if you did decide to drop in DDR4-3200MHz sticks of rams, they will all run at DDR4-2133MHz. Not only is the key notch of each DDR generation different (please refer to Figure 1 above), but the DDR4 pin size and arrangement is different from DDR3. 2 Volts A quick google returned the following instructions to enable memory overclocking: Open the bios menu by clicking the “F2” or “Del” button while starting or restarting the PC. 0, with the socket putting out 28 lanes in total. 3Ghz (-0. MSI MEG X570 ACE. a DDR4 module, or DIMM, looks very similar to a DDR3 DIMM. Will AM5 be Compatible with DDR4? As of now, socket AM5 processors like the Ryzen 7000 series will not support DDR4, as they exclusively run on DDR5 memory. 24,540. So there are two types of Z690 motherboards in the market, Z690 with DDR4 memory and Z690 motherboards with DDR5 memory. A: Yes! DDR4 employs a new specification, XMP 2. DDR is the RAM of your system that goes in the motherboard. DDR4 is a memory standard designed as a better, faster, more reliable replacement for DDR3. It might seem a bit ridiculous that the different generations of RAM are not compatible with each other. As with previous transitions, early DDR5-supporting processors will likely support both DDR4 RAM and DDR5. The big caveat here is on that use case scenario. Known and Resolved Issues. NOTE: DDR3L low voltage memory - NOT backward compatible with DDR3 memory What is DDR3L memory? Model Memory Type Dimm Slots Max System Memory Memory Compatibility; Latitude 3330: DDR3/DDR3L: 2:. Talking about compatibility, neither of these devices is backward or forward-compatible. I was about to grab 32GB of DDR4-2133 for my new Gigabyte Z170X. The answer is no in the case of DDR5 RAM and DDR4 motherboards. 2 V compared to DDR3's 1. Customize. DDR4-3200 is compatible across most Threadripper processor models and memory configurations, but AMD recommends only DDR4-2933 for second-gen Ryzen Threadrippers and DDR4-2666 for first-gen Ryzen. However, DDR5 isn't backward compatible with DDR4; motherboards only support one or the other. Similarly, having a computer that uses DDR3 RAM and you want to install DDR4 RAM wouldn’t work. Now, although the performance of your GPU is predominantly determined by the card itself, there are a few minor variables and use-cases that impact that performance. Nov 29, 2019. The new RAM won't be a problem, but it also might not be downclocked to 2933 depending on the kit you buy (maybe 2133 or 2400). 1023) using Microsoft StorNVMe™ driver, secondary drive. PCIe 5. DDR4 RAM: 4 Basic Diffrences!Business, Economics, and Finance. A DDR5 DIMM tops a stack of DDR5, DDR4, DDR3, and DDR2 modules. I am building a new gaming/production computer this year and I have found some components that I want to add to the system. It offers decent performance without being too expensive. FAQ. stockhausen said: DDR runs at Memory bus clock speed. And, of course, it wipes. 0 speeds. It’s. For nyxee's question, DDR3L is different from DDR3 and DDR4 as it can work on a voltage range. When Will It Matter?Dec 5, 2015. Previous DDR generations are backward-compatible within their generation (DDR and DDR2 for example) but it doesn't seem DDR4 is. No, they can't be compatible, if you mean will one run at one speed while the other runs at the other. CPU and Motherboard Compatibility. History of DDR speeds up to DDR5. INTEGRATED VIDEO. terry4536 Glorious. In turn,. For. 2 Gen 2 Type-C®, Thunderbolt™ 4 support and Intel 2. Supports up to 64 GB Memory. On the other hand, with DDR4, the minimum speed is only 2133MHz. So, in this case the RAM will be running at 1. 35V RGB Dual Channel Desktop (DIMM) Memory. And you did ask for the best. ) The Zen processor is a major architectural redesign, not an incremental update. Computer Memory – Find compatible RAM. The notch has been moved to prevent accidental insertion of the wrong type of memory. Operation/Speed. 6 GB/s) 1. Copy. P Profiles are supported with OC RAM and the system will generally not boot without Bios manual control for SPD Timings and voltage.