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GIGABYTE Teams Up with AMD for AMD Instinct™ MI100 Based Servers

Tags: Gigabyte (TPE:2376), AMD (NYSE:AMD)

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GIGABYTE Technology, (TWSE: 2376), an industry leader in high-performance servers and workstations, today announced three new GPU-centric servers (G482-Z53G482-Z54, and G292-Z43) aimed at HPC, AI, scientific simulation and modeling, and more. Using AMD EPYC™ architecture, realizing eight GPUs in PCIe Gen 4 x16 lanes is possible, while maintaining room for storage and networking. The G482-Z53, G482-Z54, and G292-Z43 are designed for eight or more GPUs, but have space available for storage, networking, or other accelerators.

Improved Accelerator Performance:
All three new servers can run all their PCIe Gen 4 lanes to function at x16, which means there can be as many as 160 PCIe lanes available, and they all have a theoretical bandwidth of 32 GB/s for fast communication between CPU and GPU. This is made possible by AMD EPYC 7002 architecture that allows a single socket-to-socket Infinity Fabric link (one of four) to reallocate the bandwidth to PCIe lanes for other purposes. This is possible because a dual AMD EPYC 7002 system uses 64 PCIe lanes from each CPU to link to the adjacent CPU. By freeing up one of these four links, 16 lanes per CPU can be redirected for fast PCIe Gen 4 speeds in storage, accelerators, or networking.

▲ G482-Z53
▲ G482-Z54

Introduction to the G482-Z53 and G482-Z54:
Incredibly, the G482-Z53 and G482-Z54 are built for 8 x GPUs, such as the AMD Instinct™ MI50, slotted next to each other and linked via the AMD Infinity Fabric link. These servers have been tested and designed for AMD Instinct MI50 and other accelerators. The servers utilize dual AMD EPYC 7002 processors operating with 128+ PCIe Gen 4 lanes. Recognizing the full potential of high bandwidth PCIe Gen 4 lanes, the 2nd Gen AMD EPYC processors are capable of reallocating bandwidth dedicated to CPU to CPU connectivity to be redirected for accelerators and networking. What is even more impressive is that all GPUs have their own dedicated PCIe Gen 4 x16 lanes, without the use of a PCIe switch to share a single lane with two GPUs. All G482 servers fully support up to 280W 2nd Gen AMD EPYC processors, 32 DIMMs, 3200MHz DDR4, and 128GB memory modules. The G482 series of servers have some key differences, as seen in the following table.

G482 series
Model Name G482-Z50 G482-Z51 G482-Z52 G482-Z53 G482-Z54
PCIe Gen 3 Gen 4 Gen 4 Gen 4 Gen 4
PCIe slots 10 GPUs + 1 LP* 8 GPUs 8 GPUs + 1 LP* 8 GPUs + 1 LP* 8 GPUs + 1 FHFL*
AMD Infinity Fabric Support No Yes Yes Yes Yes
LAN ports 2 x 10Gb/s and 2 x 1Gb/s 2 x 1Gb/s
Storage 12 x 3.5" SATA/SAS
10 x 2.5" Mix
10 x 2.5" SATA 8 x 2.5" SATA 2 x 2.5" NVMe
8 x 2.5" SATA
Latency Good Good Good Great Great
* LP = low-profileFHFL= full-height full-length

Introduction to the G292-Z43:
The G292-Z43 is GPU (single slot) density pushed to the max. In a 2U chassis, dual AMD EPYC 7002 processors allow for 16 DIMMs of DDR4 memory up to 3200MHz, and in 128GB memory modules. With this GPU centric design, support for EPYC 7002 series processors is for models that have a TDP up to 240W. Keeping with the importance of PCIe lanes, the G292-Z43 adds support for 16 low profile accelerators using PCIe switches. This allows for future expansion or expanded networking.

▲ G292-Z43
G292 series
Model Name G292-Z43
CPU Dual EPYC 7002 (240W)
Memory 16 DIMMS (3200MHz)
PCIe Gen 4
PCIe slots 16 single slot GPUs + 2 LP
AMD Infinity Fabric Support No
LAN ports 2 x 10Gb/s
Storage 4 x 2.5" U.2/SATA/SAS
4 x 2.5" SATA/SAS