Corsair CJ
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Hello everyone,
We've put together an FAQ to help answer some of the questions we've seen and expect to see about DDR5 memory. This post will be updated as we get additional information to share and receive feedback from the community.
CORSAIR DDR5 FAQ - (Updated 11/23/2021)
Q: Why do we need DDR5?
A: Just like with the transition from DDR3 to DDR4, DDR5 is capable of hitting faster speeds, increases effective bandwidth at equivalent data rates, improves bus utilization efficiency for high core count systems, it’s capable of higher densities, and it consumes less power for equivalent or better performance than DDR4. In short, DDR4 reached its limits and DDR5 has been able to push beyond that threshold.
Q: How does DDR5 compare to DDR4?
A: DDR5 has improved overall bandwidth of up to 1.36X compared to DDR4 at the same clockspeed (comparing DDR4-3200 to DDR5-3200) and improves memory bus utilization as a result. DDR5 can also run at higher clock frequencies, while DDR4 modules at a similar speed rating are the result of very careful binning.
Q: Is DDR5 backwards compatible with DDR4?
A: No. DDR5 and DDR4 may have the same number of pins, however they are not pin to pin compatible and the key notches are in a different location on the module in order to prevent installation on an incompatible motherboard, DDR5 will only be compatible with upcoming platforms from Intel and AMD which will require a new motherboard and processor.
Q: How do I verify if my PC or motherboard are compatible with DDR5 Memory?
A: Our memory finder will be updated as new memory kits and motherboards are released in order to help determine which memory is compatible with your current PC hardware, and what memory options we have available for you.
Q: Does DDR5 have XMP?
A: Yes! DDR5 employs a new specification, XMP 3.0, while DDR4 remains on XMP 2.0.
Q: How does XMP work on DDR5?
A: Very similarly to DDR3 and DDR4, but with some improvements. For starters, up to two pre-configured profiles are included on DDR5 modules. DDR5 goes a step further by allowing you to save up to two custom XMP profiles directly to the module, so if you love to tweak settings, you can further push your memory modules and save those settings for later use. If your motherboard supports the custom XMP feature, you’ll be able to do these tweaks either through your motherboard BIOS/UEFI or through software utilities like CORSAIR iCUE (in an upcoming update).
Q: Can I combine multiple kits of CORSAIR DDR5 memory?
A: While you certainly can purchase multiple kits of CORSAIR DDR5 memory, we strongly recommend that you do not combine them as our memory kits are only validated for their rated performance when using only the modules provided within that specific kit. Combining multiple kits, even if they are rated for the same speed, may result in your memory modules not being able to hit their rated performance specification.
Q: Why am I encountering stability issues with XMP?
A: If you have trouble with stability using either XMP profile, we recommend either manually entering the speed and timings and voltage your DDR5 kit is rated for or running your memory at its default setting until your motherboard vendor provides a BIOS update to improve stability.
Q: I'm running at the default setting for my DDR5 kit, but my system still isn't stable.
A: Double-check to see which memory slots your DDR5 is installed in against your motherboard’s instruction manual. We’ve found that you have to install your DIMMs in the primary set of memory channels first, in order, to ensure stability. If this checks out, please contact our tech support.
Q: Why is my CORSAIR DDR5 memory not being detected in CORSAIR iCUE?
A: CORSAIR DDR5 memory relies on the SPD Write function in your motherboard BIOS in order to communicate with CORSAIR iCUE for features such as controlling RGB lighting. Check your motherboard BIOS settings to ensure that SPD Write is enabled. On ASUS motherboards, this can be found in the BIOS under AI Tweaker (Navigate and set: AI Tweaker -> Tweaker's Paradise -> SPD Write Disable = False)
Q: What's the difference between Dominator Platinum RGB DDR5 and Vengeance DDR5?
A: Vengeance DDR5 is our mainstream DDR5, utilizing a standard-height PCB and heatspreader with no RGB lighting. Dominator Platinum RGB DDR5 incorporates DHX cooling technology and a larger, more robust heatspreader with RGB lighting powered by CORSAIR iCUE.
Q: Is there a difference between DDR5 and GDDR5?
A: GDDR5 is graphics memory based on older DDR3 memory technology and was designed for use in graphics-intensive applications such as video cards and game consoles when it was introduced. It is not the same as DDR5 memory.
Q: Where can I learn more about DDR5?
A: We’ve put together a blog post that provides more information as well as a dedicated landing page regarding this new memory technology.
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We’ve partnered up with our friends at HWBOT to put together an overclocking competition that everyone can participate in before we celebrate the launch of DDR5 later this year!
Requirements:
- You must use CORSAIR DDR4 memory
- No engineering/qualification samples of other components are allowed
- The rig you use must be yours and you must use the same platform (CPU/motherboard) for all 3 stages of the contest
- No sub-ambient cooling allowed, let's see what you can do with a standard air cooler / liquid cooling
Contest Details:
The competition will take place over the course of 3 different stages, each lasting roughly 2 weeks to give you time to dial in your overclock and get the highest score you can get for each benchmark (the benchmark will change for each stage).
The first stage kicked off on August 15th and will run through September 7th (at the time of writing, you've got 18 days to get your first submission in for this stage of the competition).
Entry Details:
If you want to participate in this contest, head on over to HWBOT for the full list of rules and other information you need to get started!
Prizes? There are prizes, right?
Indeed! We're giving away prize packs to the top 5 competitors, including some keyboards, mice, and of course hardware for your next build like a MP600 PRO SSD and one of our new RMx power supplies!
If you do well enough, you'll also get the chance to be among the first to get some kits of DDR5 memory when they launch later this year!
Best of luck to all that participate!
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Hi there,
Generally a motherboard swap isn't recommended due to a variety of factors that can effect system performance and official support options.
Since you've done the swap anyway, I'll treat this as a typical DIY SFF build in terms of the logic I'll be going through.
CPU idle temp does go up naturally from a cold boot. This is going to be more noticeable on a SFF build. With the CORSAIR ONE cooling system, you may need to set an aggressive system fan curve in BIOS if you connect the system fan to a motherboard fan header to compensate when using an aftermarket board. An easy check would be to set the CPU fan to 100% fan duty and see if the behavior persists, then proceed to set a custom curve using your motherboard BIOS fan utility (I'm unfamiliar with the MSI Gaming Edge board, but there should be some form of custom fan curve available on MSI retail boards).
More information will be needed to determine if you're running into CPU thermal throttling or if it's a power issue that needs additional troubleshooting for your particular board.
Some additional things to try as you've already shown that you've opened up your system for the motherboard swap would be to:
Double check your thermal paste application and ensure that the CPU cooler has been mounted properly with even pressure to the CPU socket.Check the tubing coming from the CPU cooler to ensure that it isn't kinked at an extreme angle when you close up the system as that could effect the flow of coolant through the CPU pump/radiator.Disable any motherboard auto-overclocking options, this will require additional research on your end to determine which setting is what, however many retail boards offer some sort of "gaming" mode that performs a mild overclock with a rich amount of voltage that could lead to increased heat being put out by the CPU (these auto-overclocking/game modes seem to only really be tested in standard build configs with much larger cases that typically have more fans in the system).As a last resort, try unplugging the USB 2.0 cable temporarily on the CPU cooler and see how the cooler behaves when relying solely on firmware. This will generally be a validated safe setting based on coolant temperature rather than reported CPU temps. (I'd only try this after verifying that the fan you connected to the CPU header is responding to any custom curve or fixed duty cycle settings in the BIOS fan utility for your motherboard, if you set to a fixed fan speed for troubleshooting I can only recommend setting to 100% to be extra safe)Note: unplugging the USB2.0 cable will result in no longer being able to control the RGB lighting on the system since iCUE won't have a means to communicate to the cooler (which is tied to the front panel lighting). -
Hi guys,
Struggling to find any data on this.
just bought a I164 9900k/2080 ti.
I have noticed even with the system under zero load just browsing the CPU Coolant temp creeps up to to 51 degrees ? is this normal ?
The fan then comes in like a rocket ship?
Doesn't sound right to me ?
Hi there,
Since you mentioned that you just picked up this system. Could you check which version of iCUE you're running? The system should have shipped with CORSAIR iCUE3 (latest version at time of writing would be: v3.38.61) optionally you could also install CORSAIR iCUE4 (latest version being v4.12.214)
I'd also suggest that you reach out to our technical support team at https://help.corsair.com for additional assistance with your system.
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Hi everybody, we’ve seen the reports of dead LED issues regarding some DOMINATOR PLATINUM RGB kits and greatly appreciate your patience as we looked into the matter.
At this time, it seems only a small number of DOMINATOR PLATINUM RGB modules have been affected and we recommend that users experiencing this issue contact our technical support team for a replacement kit.
Our support portal can be found at https://help.corsair.com where you can create an account and submit a ticket for your DOMINATOR PLATINUM RGB kit.
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Hi everyone,
We’ve found that some of our 4000 Series cases (4000D, 4000D Airflow, 4000X RGB) have shipped without the PSU shroud cover plate.
This is a purely cosmetic, optional piece that is meant to be removed when installing a radiator and fans in the front panel of a 4000 Series case.
If you’ve purchased a 4000 Series case and do not have the cover plate, but would like to get one for your case, please contact our tech support group using the following link for further details.
https://help.corsair.com/hc/en-us/requests/new?ticket_form_id=360001306471
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As many of you have already noticed, a new firmware was released for MP600 recently. Our team have put together a firmware release doc (attached) which should provide insight into what has been changed since EGFM11.3.
Thank you everyone for your patience. If you require technical assistance with your SSD please contact our support team at https://help.corsair.com
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Hi there, I just received a formal release notes doc from our product team that may provide some insight.
Firmware files are delivered through the tool. Unfortunately we do not officially support Linux operating systems at this time.
https://forum.corsair.com/v3/attachment.php?attachmentid=40036&stc=1&d=1609954209
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Hi community,
I'm super excited about the 8TB version of the MP400 M.2 SSD from Corsair.
I'm a Mac user and need lots of storage on the road working as a video and photo editor managing loads of RAW files in the field. Until now I used a bunch of Samsung T5 SSDs. Unfortunately they max out at 2 TB.
Now I wonder if there is a proven and suitable case to put in the Corsair 8TB MP400 that would work reliable on the latest MacBooks over USB-C/Thunderbolt?
So far my research has not been successful as most cases and their controllers state a limit of 2TB. Some don't mention a limit at all but I still wonder if it would work.
Can anybody recommend a M.2. case with a controller IC that should work with 8TB or even have experience with it?
Thank you!
Thanks for the question, unfortunately we haven't validated any specific external enclosures for MP400 at this time.
Either of these guys should work for you: https://www.amazon.com/Thunderbolt-Enclosure-Thunderbolt3-NVME-Drive/dp/B07N67P39W or https://www.amazon.com/Thunderbolt-Certified-Tool-Free-Enclosure-EC-T3NS/dp/B08FT59SB6. Trebleet states they haven't officially tested 8TB but several users have without issue and I know a customer that has too. The Sabrent should just work but looks to be the slower of the 2 enclosures.Thank you for the suggestions. Out of personal curiosity, are there any USB-C enclosures you'd recommend for PC users without TB3?
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Hi there, unfortunately MP300 is EOL and inventory will likely not be coming back to CORSAIR.com, you may be able to find stock at our retail partners, however at this point I'd suggest going with an alternative drive. I apologize for the inconvenience.
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Hello all, today I was building a new system, the one in my profile. And upon installing my corsair mp600 1tb drive, I notice something really strange.In the windows installation process, the drive was coming up as only a 500 GB drive. After installing windows to it, and it being the only drive in the system, windows is registering it as a Samsung 970 Evo 500 GB. I also went into the bios to confirm this, and the bios is also registering it as a Samsung drive. It’s brand new and I’m not sure why it’s doing this, as it’s the only drive installed in the system. And I’ve lost half of my capacity, and performance? I’m not sure. Has anyone else had this problem?
It sounds like you may have been sent the wrong drive. Could you post a picture of the SSD itself?
If you're within your return window still, I'd suggest returning the drive to the retailer you purchased from if possible.
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Have y'all tried the steps to force TRIM as mentioned in this thread? https://forum.corsair.com/v3/showthread.php?t=202134
As I've mentioned in other threads, if you continue running into this, please contact our Tech Support team at https://help.corsair.com for assistance with your specific drives.
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