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MiTAC G4826Z5 G4826Z5U2BC-355X-575 GPU Server - System Overview

G4826Z5U2BC-355X-575 front panelAdditional Information

At the center of the MiTAC G4826Z5U2BC-355X-575 are 2x AMD EPYC 9575F processors, each providing 64 cores and 128 threads with a maximum TDP of 500W. The system is equipped with 24x DDR5 RDIMM slots supporting up to 6TB of memory at speeds of up to 6400MT/s. For local storage, the front of the 4U chassis provides 8x hot-swappable U.2 NVMe drive bays, each with PCIe Gen5 x4 connectivity. An additional 2x internal NVMe M.2 2280 slots provide storage within the system or can be used to support the OS. 

GPU acceleration is provided by 8x AMD Instinct MI355X accelerators with 288GB of HBM3E memory per GPU. A direct liquid cooling solution manages both the CPUs and the OAM form factor GPUs, helping maintain performance under compute-intensive workloads. For expansion and networking, the system provides 12x PCIe Gen5 x16 slots for integrating multiple low-latency 400G network cards. PCIe slots include 4x full-height, half-length slots and 8x half-height, half-length slots. Power is delivered through separate redundant power configurations, including 3+3 15,600W 54V DC power and 1+1 3,200W 12V DC Titanium common redundant power supplies (CRPS).

MiTAC G4826Z5 G4826Z5U2BC-355X-575 GPU Server - Specifications

Processor

- 2x AMD EPYC 9575F
- 2x AMD Socket SP5
- 64 cores/128 threads
- Max up to 500W (cTDP)

Memory

- 24x DIMM slots
- RDIMM DDR5 6400 MT/s
- Up to 6TB RDIMM DDR5-6400 memory
- 12x Channels per CPU

GPUs

- 8x AMD Instinct MI355X

Storage

- 8x NVMe U.2 hot-swap bays
- 2x NVMe M.2 2280 slots

Expansion Slots

- 4x PCIe Gen 5 x16 slots (FH/HL)
- 8x PCIe Gen 5 x16 slots (HH/HL)

Networking

PHY: Realtek RTL8211FD-CG

Front I/O

- 2x USB 3.2 Gen1 port
- 1x D-sub 15-pin port
- 1x GbE port dedicated for IPMI

Power Supply

- 3+3 (15,600W; 54VDC) 1+1 (3,200W; 12VDC)

Cooling

Air:
- 4x 6056 hot-swap fans (UBB)
- 4x 8038 hot-swap fans (Head Node)
- 4x 4056 internal fans (PCIe)

Liquid:
- 4x UQD06 conn. (UBB)
- 2x UQD02 conn. (Head Node)

Management

- Aspeed AST2600

Dimensions and Weight

Form Factor: 4U Rackmount

Dimension (D x W x H): 36.52" x 17.64" x 6.85" (927.6 x 448 x 174mm)

Gross Weight: 130 kg (286.6 lbs)

Net Weight: 100 kg (220.5 lbs)

MiTAC G4826Z5 G4826Z5U2BC-355X-575 GPU Server - Documentation

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