ASRock Rack EPYC4000D4U AMD EPYC 4005 Motherboard Review

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ASRock Rack EPYC4000D4U CPU Support List

As of this review, here is the CPU support list for this motherboard, and it is absolutely massive.

Socket Family Model Core Frequency L2 Cache L3 Cache Power Since BIOS Note
AM5 EPYC 4004 4584PX(100-000001481) Raphael 4.2GHz 128MB 120W 1.04
AM5 EPYC 4004 4564P(100-000001476) Raphael 4.5GHz 64MB 170W 1.04
AM5 EPYC 4004 4484PX(100-000001482) Raphael 4.4GHz 128MB 120W 1.04
AM5 EPYC 4004 4464P(100-000001478) Raphael 3.7GHz 64MB 65W 1.04
AM5 EPYC 4004 4364P(100-000001477) Raphael 4.5GHz 32MB 105W 1.04
AM5 EPYC 4004 4344P(100-000001479) Raphael 3.8GHz 32MB 65W 1.04
AM5 EPYC 4004 4244P(100-000001480) Raphael 3.8GHz 32MB 65W 1.04
AM5 EPYC 4004 4124P(100-000001570) Raphael 3.8GHz 16MB 65W 1.04
AM5 EPYC 4005 4565P(100-000001559) Grado 4.3GHz 64MB 170W 2.05
AM5 EPYC 4005 4345P(100-000001556) Grado 3.8GHz 32MB 65W 2.05
AM5 EPYC 4005 4245P(100-000001555) Grado 3.9GHz 32MB 65W 2.05
AM5 Ryzen 3 8300GE(100-000001188) Phoenix 2 3.5GHz 4MB 8MB 35W 1.04
AM5 Ryzen 3 8300G(100-000001186) Phoenix 2 3.4GHz 4MB 8MB 65W 1.04
AM5 Ryzen 3 PRO 8300GE(100-000001189) Phoenix 2 3.5GHz 4MB 8MB 35W 1.04
AM5 Ryzen 3 PRO 8300G(100-000001187) Phoenix 2 3.4GHz 4MB 8MB 65W 1.04
AM5 Ryzen 5 9600X(100-000001405) Granite Ridge 3.9GHz 6MB 32MB 65W 1.04
AM5 Ryzen 5 9600(100-000000718) Granite Ridge 3.8GHz 6MB 32MB 65W 1.04
AM5 Ryzen 5 8600G(100-000001237) Phoenix 1 4.3GHz 6MB 16MB 65W 1.04
AM5 Ryzen 5 8500GE(100-000001184) Phoenix 2 3.4GHz 6MB 16MB 35W 1.04
AM5 Ryzen 5 8500G(100-000000931) Phoenix 2 3.5GHz 6MB 16MB 65W 1.04
AM5 Ryzen 5 8400F(100-000001591) Phoenix 1 4.2GHz 6MB 16MB 65W 1.04
AM5 Ryzen 5 7600X3D(100-000001721) Raphael 4.1GHz 6MB 96MB 65W 1.04
AM5 Ryzen 5 7600X(100-000000593) Raphael 4.7GHz 6MB 32MB 105W 1.04
AM5 Ryzen 5 7600(100-000001015) Raphael 3.8GHz 6MB 32MB 65W 1.04
AM5 Ryzen 5 7500F(100-000000597) Raphael 3.7GHz 6MB 32MB 65W 1.04
AM5 Ryzen 5 7400F(100-000001845) Raphael 3.7GHz 6MB 32MB 65W 1.04
AM5 Ryzen 5 PRO 8600GE(100-000001241) Phoenix 1 3.9GHz 6MB 16MB 35W 1.04
AM5 Ryzen 5 PRO 8600G(100-000001239) Phoenix 1 4.3GHz 6MB 16MB 65W 1.04
AM5 Ryzen 5 PRO 8500GE(100-000001185) Phoenix 2 3.4GHz 6MB 16MB 35W 1.04
AM5 Ryzen 5 PRO 8500G(100-000001183) Phoenix 2 3.5GHz 6MB 16MB 65W 1.04
AM5 Ryzen 5 PRO 7645(100-000000600) Raphael 3.8GHz 6MB 32MB 65W 1.04
AM5 Ryzen 7 9800X3D(100-000001084) Granite Ridge 4.7GHz 8MB 96MB 120W 1.04
AM5 Ryzen 7 9700X(100-000001404) Granite Ridge 3.8GHz 8MB 32MB 65W 1.04
AM5 Ryzen 7 8700G(100-000001236) Phoenix 1 4.2GHz 8MB 16MB 65W 1.04
AM5 Ryzen 7 8700F(100-000001590) Phoenix 1 4.1GHz 8MB 16MB 65W 1.04
AM5 Ryzen 7 7800X3D(100-000000910) Raphael 4.2GHz 8MB 96MB 120W 1.04
AM5 Ryzen 7 7700X(100-000000591) Raphael 4.5GHz 8MB 32MB 105W 1.04
AM5 Ryzen 7 7700(100-000000592) Raphael 3.8GHz 8MB 32MB 65W 1.04
AM5 Ryzen 7 PRO 8700GE(100-000001240) Phoenix 1 3.6GHz 8MB 16MB 35W 1.04
AM5 Ryzen 7 PRO 8700G(100-000001238) Phoenix 1 4.2GHz 8MB 16MB 65W 1.04
AM5 Ryzen 7 PRO 7745(100-000000599) Raphael 3.8GHz 8MB 32MB 65W 1.04
AM5 Ryzen 9 9950X3D(100-000000719) Granite Ridge 4.3GHz 16MB 128MB 170W 1.04
AM5 Ryzen 9 9950X(100-000001277) Granite Ridge 4.3GHz 16MB 64MB 170W 1.04
AM5 Ryzen 9 9900X3D(100-000001368) Granite Ridge 4.4GHz 12MB 128MB 120W 1.04
AM5 Ryzen 9 9900X(100-000000662) Granite Ridge 4.4GHz 12MB 64MB 120W 1.04
AM5 Ryzen 9 7950X3D(100-000000908) Raphael 4.2GHz 16MB 128MB 120W 1.04
AM5 Ryzen 9 7950X(100-000000514) Raphael 4.5GHz 16MB 64MB 170W 1.04
AM5 Ryzen 9 7900X3D(100-000000909) Raphael 4.4GHz 12M 128MB 120W 1.04
AM5 Ryzen 9 7900X(100-000000589) Raphael 4.7GHz 12M 64MB 170W 1.04
AM5 Ryzen 9 7900(100-000000590) Raphael 3.7GHz 12M 64MB 65W 1.04
AM5 Ryzen 9 PRO 7945(100-000000598) Raphael 3.7GHz 12MB 64MB 65W 1.04

Make sure to check the capabilities of the CPU you choose in this platform. For example, we noted how the Ryzen 8000 series will make the M.2 slots operate at PCIe Gen4 speeds. That is a challenge with a list this long and platform features that change when dealing with server CPUs, desktop CPUs, and those processors with bigger iGPUs.

Key Lessons Learned

In the entry server market, I have not minced words that AMD EPYC is far ahead of Intel Xeon. Reasons for this go well beyond just the cores. The ASRock Rack EPYC4000D4U is a great example, removing the need for a chipset saves power and cost while providing a more modern platform.

ASRock Rack EPYC4000D4U with AMD EPYC 4565P
ASRock Rack EPYC4000D4U with AMD EPYC 4565P

Perhaps the one downside of all of this is that it makes it harder to look at the motherboard and know exactly what the PCIe configuration will be when certain components are installed. There are not 40 PCIe Gen5 lanes available in this platform despite what one might think with a quick glance at the motherboard slots and connectors.

ASRock Rack EPYC4000D4U PCIe Gen5 x16 and M.2 Slots
ASRock Rack EPYC4000D4U PCIe Gen5 x16 and M.2 Slots

Still, the idea here is to be a platform that can be used in many different chassis designs while also being easy to integrate into different server designs.

Final Words

When we did the AMD EPYC 4005 launch piece using this motherboard, the two most common points of feedback were that one could use Ryzen, and that folks wanted more I/O. If you want to use Ryzen, realistically you just drop it into this motherboard. If you want more I/O, then something like the ASRock Rack SIENAD8UD3 or ASRock Rack SIENAD8-2L2T might be examples of the next steps up the stack. Still, there are plenty of applications that simply need a high-frequency and lower core count (16 cores and below) server, and do not need tons of onboard networking. Instead, they need the capability to adapt the platform to different chassis form factors and connectivity. That is really where the ASRock Rack EPYC4000D4U excels.

ASRock Rack EPYC4000D4U Front 1
ASRock Rack EPYC4000D4U Front 1

We have been running this setup for around two months now and it has performed well. As a result, the ASRock Rack EPYC4000D4U has become a motherboard I would recommend to folks looking for this class of platform.

9 COMMENTS

  1. Could’ve sworn I made a post somewhere in the forum before. Hope you can report on the reliability compared to the other ASrock B650 that failed from a big ongoing thread.

  2. Greatly appreciate if you could measure the idle power consumption! It has no chipset, unlike the typical consumer AM5 boards. This could be a wonderful homelab board, especially for area with expensive energy cost.

  3. Out of curiosity, when one uses these AMD Epyc 4000’s, what do the IOMMU groupings look like when you have more than one peripheral on the CPU PCIe lanes?
    Can they be split?

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