10 GPUs in 4U? TFNEW ZH-4201/SW for LLM Training
TL;DR: TFNEW launched the ZH-4201/SW, a 4U GPU compute server, on September 19, 2026. It fits up to 10 full-height, full-length dual-width GPUs (600 W TDP each) behind 2x 4th/5th Gen Intel Xeon Scalable CPUs, 32x DDR5 slots (up to 5600 MHz) and a PCIe Gen 5.0 switch backplane with up to 13x x16 slots. It targets large-model (LLM) training and inference. Get specs and pricing: sales@tfnew.com.
Core Specifications (with Plain-Language Terms)
The ZH-4201/SW is a 4U rackmount server built for GPU-heavy AI work. "Dual-width" means each GPU card occupies two PCIe slots, which is how 600 W TDP accelerators fit physically. The server ships with a passthrough GPU backplane (12x x16 slots) or an optional PCIe 5.0 switch backplane (13x x16 slots) for flexible GPU-to-CPU topology. It runs 2x 4th/5th Gen Intel Xeon Scalable CPUs on an Intel C741 chipset, 32x DDR5 slots at 4400/4800/5600 MHz, 12x 3.5-inch drive bays and 4x hot-swap CRPS power supplies (3+1 redundant, optional 2000W/2700W).
Specs at a Glance
| Item | ZH-4201/SW Value |
|---|---|
| Form factor | 4U rackmount (175 x 436 x 870 mm) |
| Processors | 2x 4th/5th Gen Intel Xeon Scalable |
| Chipset | Intel C741 |
| Memory | 32x DDR5 slots, 4400/4800/5600 MHz |
| GPU | Up to 10 dual-width cards, 600 W TDP each |
| Storage | 12x 3.5-inch bays (2.5-inch compatible) |
| PCIe | 12x x16 passthrough / 13x x16 via Gen 5 switch |
| Power | 4x CRPS hot-swap, 3+1 redundant, 2000W/2700W optional |
| Cooling | 10 high-performance fans |
| Management | DC-SCM 2.0 BMC (AST2600), IPMI 2.0/Redfish |
Passthrough vs PCIe 5.0 Switch Backplane
| Item | Passthrough backplane | PCIe 5.0 Switch backplane |
|---|---|---|
| x16 slots | 12 | 13 |
| Max GPUs | Up to 10 | Up to 10 |
| Topology | Direct GPU-to-CPU lanes | Switched, flexible topology |
| Best for | Simple, predictable GPU mapping | Dense or mixed accelerator layouts |
Switch topology lets operators rearrange GPU-to-CPU connectivity in software, which helps when different models need different accelerator groupings.
Why the Numbers Matter
Ten 600 W GPUs mean sustained GPU power of about 6 kW inside one 4U chassis — that is why the server ships with 4x hot-swap CRPS supplies in 3+1 redundancy and 10 high-performance fans. 32x DDR5 slots at up to 5600 MHz give large-model training enough memory bandwidth to feed all GPUs, and the DC-SCM 2.0 BMC with AST2600 exposes IPMI 2.0/Redfish, so the node joins standard datacenter management stacks.
Where the ZH-4201/SW Fits
- LLM training: distributed training nodes for language models and foundation models
- AI inference at scale: serving large models with multi-GPU sharding
- HPC and simulation: GPU-accelerated compute for science and engineering
- Multi-tenant AI platforms: dense GPU pools shared across teams
What TF NEW Says
"Large-model training is a bandwidth and power problem before it is a software problem," said a TF NEW product manager. "The ZH-4201/SW packs 10 GPUs with 600 W TDP, DDR5-5600 and a Gen 5 switch backplane into 4U, so teams spend less time wiring racks and more time running jobs."
Pricing and Availability
The ZH-4201/SW is available now. Pricing depends on processor model, memory, GPU cards, backplane type and power supply rating. Contact sales@tfnew.com or use the request-a-quote form at www.tfnew.com/contact for lead time and warranty terms.
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
- How many GPUs does the ZH-4201/SW support? Up to 10 full-height, full-length dual-width cards at 600 W TDP each.
- Which CPUs does it use? 2x 4th/5th Gen Intel Xeon Scalable processors on an Intel C741 chipset.
- How much memory? 32x DDR5 slots at 4400/4800/5600 MHz.
- What backplane options exist? Passthrough (12x x16) or PCIe 5.0 switch (13x x16).
- How is it managed? DC-SCM 2.0 BMC with AST2600, IPMI 2.0/Redfish, optional OCP 3.0 NIC.