Specifications
Form Factor
4U rackmount
GPU
Supports 8 GPUs with 600 W TDP each
CPU
Dual Socket SP5 (LGA 6096) AMD EPYC 9005/9004 with 3D V-Cache, 97x4 series
CPU TDP
Up to 500 W
Memory
12+12 DDR5 DIMM slots (1DPC)
Memory Types
RDIMM up to 128 GB each at 6400 MT/s; RDIMM-3DS up to 256 GB each at 6400 MT/s
Expansion
8 × PCIe 5.0 GPGPU slots
Rack Standard
4U rackmount
Dimensions
786 × 438 × 176.5 mm (30.9″ × 17.2″ × 6.9″)
Depth Variants
867 mm deep version available
Model Variants
4U8G-TURIN2, 4U8G-TURIN2/RF, 4U8G-TURIN2/RF+, 4U8G-TURIN2/SUPER_4L
Workloads
High performance computing, data analytics, AI inference
MPN
4U8G-TURIN2
Overview
The ASRock Rack 4U8G-TURIN2 is a 4U dual-socket SP5 server that drives eight GPUs at up to 600 W each from two AMD EPYC 9005 or 9004 processors running at up to 500 W TDP - one of the highest CPU power budgets paired with an 8-GPU layout.
Each socket gets 12 DIMM slots, 24 in total, supporting RDIMMs up to 128 GB or 3DS RDIMMs up to 256 GB per module at 6400 MT/s. Eight PCIe 5.0 x16 slots carry the GPUs.
At 786 mm deep (with an 867 mm option) the chassis remains within a standard 4U rack envelope, and ASRock Rack qualifies sibling variants such as the /RF rear-FLOP and /SUPER_4L configurations for different GPU card lengths.
Key Benefits
8 × 600 W GPUs in 4U; dual AMD EPYC 9005 at up to 500 W TDP; 24 DDR5 DIMM slots at 6400 MT/s; PCIe 5.0 x16 across eight GPGPU slots.
Applications
AI inference and HPC clusters, data analytics, GPU-accelerated simulation, and mixed-precision model serving in standard 4U rack space.
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