Eight 3.5-Slot Cards, Air-Cooled? TFNEW ZH-7201
TL;DR: TFNEW launched the ZH-7201, a 7U 8-GPU compute server, on September 21, 2026. Built for up to eight full-height full-length 3.5-slot accelerators at 600 W TDP each with fan cooling, it feeds them through 20 MCIO 5.0 x8 inputs to 10 PCIe 5.0 x16 outputs, on 2x 4th/5th Gen Intel Xeon Scalable and 32 DDR5 slots — the TF NEW chassis for the thickest air-cooled cards in large-model fleets. Get specs and pricing: sales@tfnew.com.
Core Specifications (with Plain-Language Terms)
The ZH-7201 is a 7U rackmount compute server (311 mm tall, 900 mm deep) sized for the largest air-cooled accelerator cards. "3.5-slot" describes card thickness: a 3.5-slot GPU occupies three and a half expansion bays — the profile of flagship double-deep accelerators with heavy heatsinks, which need that width to dissipate 600 W without liquid cooling. The chassis fits up to eight such cards on 10 PCIe 5.0 x16 output slots (5 front, 5 rear), fed by 20 MCIO 5.0 x8 inputs — MCIO (Mini CoolEdge IO) is the high-density PCIe cable connector used in GPU backplanes. Compute: dual 4th/5th Gen Intel Xeon Scalable (SRF-SP/GNR-SP) up to 350 W TDP each on an Intel C741 chipset, 32 DDR5 slots at 5600 MT/s, twelve 3.5-inch drives. Power is up to 8 CRPS supplies in N+N redundancy (2000 W / 2700 W); cooling is 8 hot-swap fan modules in N+1. Networking is 1x gigabit shared business/management port with NC-SI.
Specs at a Glance
| Item | ZH-7201 Value |
|---|---|
| Form factor | 7U rackmount, 311 H × 436 W × 900 D mm |
| Processor | Dual 4th/5th Gen Xeon Scalable (SRF-SP/GNR-SP), up to 350 W |
| Memory | 32x DDR5 slots, up to 5600 MT/s |
| GPU | Up to 8x 3.5-slot FHFL cards, 600 W TDP each, air-cooled |
| PCIe | 20x MCIO 5.0 x8 in; 10x PCIe 5.0 x16 out (5 front / 5 rear) |
| Storage | 12x 3.5" drives |
| Power | Up to 8x CRPS, N+N redundant, 2000 W / 2700 W |
| Cooling | 8x hot-swap fan modules, N+1 |
| Network | 1x gigabit business/management, NC-SI |
Why Card Thickness Is the Spec That Matters
Flagship GPUs come in different thicknesses, and the thickest ones — the 3.5-slot air-cooled monsters — simply don't fit in dense 4U/5U chassis. The ZH-7201's 7U height exists to host them: eight 600 W cards with heatsinks thick enough to cool passively-assisted by fans, plus the MCIO-fed backplane (20 inputs to 10 outputs) that keeps every card on a full PCIe 5.0 path. For large-model training and inference fleets that run these cards, that means flagship performance without liquid cooling, in a chassis built around the card, not the other way around.
Where It Fits
- Large-model training: 8x 600 W 3.5-slot cards, N+N power, full PCIe 5.0 fabric
- Inference serving: air-cooled flagship cards at scale without liquid loops
- High-density single-node builds: 32 DDR5 slots beside 8 accelerators
- Rack standardization: same 7U topology for GPU and storage tiers
Why the Numbers Matter
- 8x 3.5-slot cards at 600 W: the air-cooled flagship profile, chassis-sized
- 20x MCIO 5.0 x8 inputs: dense, serviceable GPU backplane wiring
- 10x PCIe 5.0 x16 outputs (5+5): front and rear card access
- 8x CRPS in N+N: dual-feed power for 4.8 kW of GPU load
- 350 W dual Xeon + 32 DDR5: CPU and memory headroom beside the GPUs
What TF NEW Says
"The 3.5-slot card is where flagship air-cooled GPUs live — and most chassis can't host it," said a TF NEW product manager. "The ZH-7201 is a 7U room for eight of them at 600 W each, fed by 20 MCIO inputs to full PCIe 5.0 outputs, with N+N power. If your fleet is thick cards on air, this is the chassis that fits the cards."
Quality and Availability
Every ZH-7201 runs 48 hours of burn-in testing under full GPU load before shipping, with all MCIO-to-PCIe paths and N+N power feeds validated in the factory. It ships deployment-ready with documented GPU compatibility and backplane cabling guides.
Pricing and Availability
The ZH-7201 is available now. Pricing varies with processor, memory, GPU and power 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 ZH-7201? A 7U 8-GPU passthrough compute server for full-height full-length 3.5-slot air-cooled cards.
- Why 7U? To physically fit eight thick 3.5-slot, 600 W cards with their heatsinks, without liquid cooling.
- How are the GPUs wired? Through 20 MCIO 5.0 x8 inputs to 10 PCIe 5.0 x16 outputs (5 front, 5 rear).
- What processors and memory does it use? Dual 4th/5th Gen Xeon Scalable (up to 350 W) with 32 DDR5 slots at 5600 MT/s.
- What power does it offer? Up to 8 CRPS supplies in N+N redundancy, 2000 W or 2700 W.