AMD Q4: 16-core Ryzen 9 3950X, Threadripper Up To 32-Core 3970X, Coming November 25th
by Dr. Ian Cutress on November 7, 2019 9:00 AM ESTTRX40: More High-End Motherboards for TR3
The new sTRX4 socket will be paired with a TRX40 chipset – a design that AMD says comes from an in-house team and built on GlobalFoundries 14nm. The new chipset, updated from the previous X399 in this space and even updated from the X570 in the consumer space, is the other half in the CPU-to-chipset bandwidth story. By using a PCIe 4.0 x8 link, AMD is removing almost any practical bandwidth limitation downstream from the CPU.
The new TRX40 chipset will come with a degree of modularity.
From the chipset, we can see motherboard manufacturers afforded a full PCIe 4.0 x8 slot, up to another x8 lanes as two x4 connections or further bifurcated, or instead of those bifurcated lanes, either four or eight more SATA ports. That’s 8 SATA ports on top of the four already present on the chipset.
So I like these modular systems. It allows motherboard manufacturers to go crazy with offering potential systems. For example:
Potential TRX40 Variants | |||||||
AnandTech | CPU | Chipset | |||||
TRX40 SATA Powerhouse 20 drives |
x48 for PCIe slots | x8 for downlink | 8x SATA from options | x8 for dual NVMe | 8x SATA from options | 4x SATA from chipset | |
TRX40 NVMe Powerhouse 18+ drives |
x48 for PCIe slots | x8 for downlink | dual NVMe from options | x8 for dual NVMe | dual NVMe for options | - |
So that would be a motherboard with x16/x16/x16 (or x16/x8/x16/x8) in terms of PCIe 4.0 slots, a single x8 slot for a pair of NVMe drives, and then TWENTY SATA ports, all directly supported on the system without any additional controllers.
If SATA isn’t your thing, then the same arguments could be made for 48 PCIe lanes and six PCIe 4.0 x4 NVMe slots, making a total of 18 high capacity PCIe 4.0 drives. The fact that AMD has put more PCIe lanes into their high end desktop platforms, plus this amount of modularity, wants me to play Dr. Frankenstein.
To be fair, those ideas are a bit extreme. Motherboard manufacturers will likely have to partition off a few lanes for 10 GbE networking, perhaps Thunderbolt, or maybe something more exotic like a RAID controller, or an RGB controller.
As noted in some of our previous news posts, motherboard manufacturers have been slowly leaking names of their TRX40 products. At this point in time we have seen mentions of the following:
- ASRock TRX40 Creator
- ASRock TRX40 Taichi
- GIGABYTE TRX40 AORUS XTREME
- ASUS Prime TRX40 Pro
- ASUS ROG Zenith II Extreme
- MSI TRX40 Creator
- MSI TRX40 Pro 10G
- MSI TRX40 Pro Wi-Fi
We expect details of some of these to perhaps be announced today, or on the 25th when the CPUs come to market. GIGABYTE has even been showing previews of their motherboards on social media, with one showing an obscene number of power phases, and we’ve seen images of boards with 8 SATA ports. We’ll have our usual motherboard overview article up on that date, and we’ll be looking at reviews of these motherboards through the new year.
I will address comments about potential TRX80/WRX80 motherboards which have been put into the ether as potential other chipsets being launched. When asked, AMD said that the only chipset they are launching today is TRX40.
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quadibloc - Monday, November 11, 2019 - link
Well, now we know why the 3950X was delayed in availability. It is strongly recommended to use a large, nearly top-end, AIO water cooler with it, and it also needs the most recent BIOS updates to work. Still, it's an impressive chip even if it did take them a little extra time to get it right.umano - Monday, November 11, 2019 - link
If they released the 3950x I already had bought it, but with zen 3 coming in q2 I think I will buy a ryzen 4000 laptop first and then I will replace my desktop, hoping that someone will make a premium content creator itx board for 16 cores CPU. I mean 2x nvme, 10gbe and thunderboltumano - Monday, November 11, 2019 - link
" If they had released the 3950x on september"peevee - Friday, November 15, 2019 - link
AMD (or Intel), here is what I want:CPU package, potentially containing at least 2 chips (CPU or GPU), having DDR5 SODIMM slots on the 4 sides of the package to minimize physical wire length and thus latency and power, each slot on its own channel. 256 bit configuration makes decent built-in GPU possible, and that is what I specifically want - 8-core CPU chip (with large shared L3 cache) and GPU chip capable of saturating the 256-bit DDR5 memory (but other configurations are possible).
This package would only need power, PCIe and Thunderbolt 3/USB4 lines coming out of it (including carrying video and audio). Relatively small and simple connector with large contact separation as most contacts are for memory in today's CPUs. Simple MB with just a few layers. Cheap!
No chipset on the motherboard. No network, no Wifi, no separate sound (USB sound adapters are fine), no SATA controllers... Give me slots to install just what I want, and replace when I want (of course other MB models can contain stuff embedded).
1 PCIe4 (5 in the future) x16, two x8 (if any are populated, it is OK making x16 slot working in x8 mode.
Min two more x4 PCIe slots and 2 x4 NVMe slots.
Give me graphics cards containing the same chip as in the CPU above, with 4 SODIMM DDR5 slots each. Able to supplement the GPU in the CPU module, not replace it! Up to 3 external GPU cards for 4x performance of the embedded one.
True modular approach a desktop system supposed to be.
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