GPUs on Two Boards inside a 7U? TFNEW S778E5
TL;DR: TFNEW launched the S778E5, an enterprise GPU server, on September 21, 2026. A 7U rackmount platform with 2x AMD EPYC 9004/9005 (up to 500 W), 24 DDR5 DIMM slots (6400 MT/s) and up to 8 GPU cards at 600 W each — offered in fan-card (front + rear GPU boards) or turbine-card (rear board) GPU-CPU passthrough layouts. Get specs and pricing: sales@tfnew.com.
Core Specifications (with Plain-Language Terms)
The S778E5 is a 7U GPU server whose front panel is only half the story: the GPU-CPU passthrough scheme lays GPUs out as a front GPU board plus a rear GPU board (fan-card configuration) or rear GPU board only (turbine configuration) — two expansion zones on one platform, which is how 8 GPUs at 600 W each get airflow without a single cooling pathway becoming the bottleneck. Compute: 2x AMD EPYC 9004/9005 series CPUs at up to 500 W TDP, with 24 DDR5 DIMM slots (RDIMM/LRDIMM, 1DPC) up to 6400 MT/s. Storage: 8x front LFF hot-swap bays with optional mixed 2/4x U.2 drives, plus an M.2 slot (2280 & 22110, PCIe 3.0 x4). Expansion: up to 11 standard PCIe 5.0 slots with an optional OCP 3.0 slot. The 7U height prices in the cooling and power room that 600 W accelerators actually need.
Specs at a Glance
| Item | S778E5 Value |
|---|---|
| Chassis | 7U rackmount GPU server |
| GPU-CPU scheme | Passthrough; fan-card (front + rear GPU boards) or turbine (rear board) |
| Processor | 2x AMD EPYC 9004/9005, TDP up to 500 W |
| Memory | 24x DDR5 RDIMM/LRDIMM, 1DPC, up to 6400 MT/s |
| Storage | 8x front LFF hot-swap; optional 2/4x U.2 mixed; 1x M.2 |
| PCIe | Up to 11x PCIe 5.0 slots; optional 1x OCP 3.0 |
| GPU | Up to 8 cards at 600 W each |
Why Two GPU Boards Matter in an 8-GPU Server
Eight 600 W GPUs generate ~4.8 kW of heat before CPUs and memory; a single GPU board would concentrate that into one airflow corridor. The S778E5 splits the problem: a front GPU board and rear GPU board give the two main cooling paths distinct jobs, and the turbine-card configuration (rear board only) serves workloads that prefer one focused airflow zone. Both run GPU-CPU passthrough — one GPU per PCIe path, no switch in the way — which is the topology AI training and inference frameworks behave best with. Add 500 W-class EPYC 9004/9005 CPUs and 6400 MT/s DDR5, and the 7U box is sized for sustained 8-GPU operation.
Where It Fits
- 8-GPU AI training nodes: passthrough topology, 600 W accelerators
- Private AI clusters: 7U density with front/rear GPU board airflow
- HPC mixed workloads: 500 W EPYC + 24 DIMM DDR5 beside GPUs
- GPU-dense scale-out: fan-card and turbine layouts for site airflow plans
Why the Numbers Matter
- Front + rear GPU boards: airflow split across two cooling zones
- 8x 600 W GPUs: ~4.8 kW of accelerator power, housed and cooled
- 2x EPYC 9004/9005 up to 500 W: flagship AMD compute beside the GPUs
- 24 DDR5 up to 6400 MT/s: memory feeding training and inference
- 11x PCIe 5.0 + optional OCP 3.0: expansion beyond the GPU slots
What TF NEW Says
"Eight 600 W GPUs are a cooling plan before they're a spec," said a TF NEW product manager. "The S778E5 runs them as GPU-CPU passthrough on front and rear GPU boards — two airflow zones for a 4.8 kW accelerator load — with EPYC 9004/9005 at 500 W and DDR5 at 6400 MT/s behind them. Seven units of rack, engineered for sustained eight-GPU work."
Quality and Availability
Every S778E5 is burn-in tested under full GPU load before shipping — all PCIe paths, memory channels and drive bays validated for 48 hours. It ships deployment-ready with GPU configuration and airflow-planning documentation.
Pricing and Availability
The S778E5 is available now. Pricing varies with processor, memory, GPU and storage configuration. Contact sales@tfnew.com or use the request-a-quote form at www.tfnew.com/contact for configuration guidance and lead time.
About TF NEW
TF NEW (TF New Technology) is an enterprise AI infrastructure provider based at www.tfnew.com. It designs and delivers private AI, compute, networking, storage, cooling and edge systems as deployment-ready solutions — AI servers, AI workstations, edge AI, liquid cooling and enterprise rack servers — for AI factories, datacenters and edge projects worldwide.
Media Contact
TF NEW | sales@tfnew.com | www.tfnew.com/contact
FAQ
- What is the S778E5? A 7U GPU server with 2x AMD EPYC 9004/9005 and up to eight 600 W GPU cards in passthrough layouts.
- What are the GPU configurations? Fan-card (front + rear GPU boards) or turbine-card (rear GPU board only).
- How much memory does it support? 24 DDR5 DIMM slots (RDIMM/LRDIMM, 1DPC) up to 6400 MT/s.
- What storage does it offer? 8x front LFF hot-swap bays, optional mixed 2/4x U.2, plus an M.2 slot.
- Why 7U? To give 8x 600 W GPUs the cooling and power room they need for sustained operation.