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Dell PowerEdge XE9712

The Dell PowerEdge XE9712 is a 1U, liquid-cooled compute tray for Dell's IR9048 rack, where trays link over NVLink into an NVIDIA GB300 NVL72 system of up to 72 Blackwell Ultra GPUs for LLM training and inference. Each tray pairs two 72-core NVIDIA Grace CPUs and 960GB of LPDDR5X with up to four Blackwell Ultra GPUs carrying 288GB of HBM3e each. Cold plates tie into the rack's liquid loop, and power comes from the rack busbar. Fully configurable.

Looking to compare generations? See the Gen 16 Dell PowerEdge XE9680L, or compare Gen 17 models: Dell PowerEdge XE9780.

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  • Form Factor: 1U compute tray for IR9048 ORv3 rack
  • Processors: 2x NVIDIA Grace (72 cores each)
  • Memory: 960GB LPDDR5X ECC, soldered
  • Memory Speed: 900GB/s NVLink-C2C CPU-to-GPU
  • Storage: Up to 8x E1.S NVMe SSDs
  • Expansion: Up to 2x PCIe Gen5 x16, 2x mezzanine
  • GPU Support: Up to 4x NVIDIA Blackwell Ultra (GB300) GPUs
  • Networking: 4x 800Gb OSFP, BlueField-3, 1GbE LOM
  • Management: OpenBMC or iDRAC10
  • Cooling: Direct liquid cooling, 8 fans
  • Power: 54V DC rack busbar, 33kW power shelves

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Dell PowerEdge XE9712 vs XE9780: Specs & Key Differences

Feature PowerEdge XE9712 PowerEdge XE9780
Processors 2x NVIDIA Grace (72 cores each) Up to 2x Intel Xeon 6 (6th Gen Xeon Scalable, up to 86 cores)
Memory 960GB LPDDR5X ECC, soldered (480GB per CPU) 32x DDR5 RDIMM slots, up to 4TB
Memory Speed LPDDR5X (speed not listed by Dell) Up to 6400 MT/s
Storage Up to 8x E1.S NVMe SSDs, plus M.2 boot Up to 16x E3.S or 10x U.2 Gen5 NVMe SSDs
PCIe Up to 2x PCIe Gen5 x16 FHHL, 2x Gen5/Gen6 mezzanine Up to 12x PCIe Gen5 x16 (B200) or 4x (B300)
GPU Support Up to 4x NVIDIA Blackwell Ultra (GB300), 72 per NVL72 rack 8x NVIDIA HGX B300 or B200 SXM6
Networking 4x 800Gb OSFP (CX8), BlueField-3, 1GbE LOM 8x CX8 OSFP (B300), 1x OCP 3.0 (x8), 2x iDRAC ports
Management OpenBMC or iDRAC10 iDRAC10
Cooling Direct liquid cooling, plus 8 fans Air
Power 54V DC busbar from 33kW rack power shelves 12x Titanium 3200W (6+6)
Form Factor 1U compute tray, 48U IR9048 rack 10U Rack

Frequently Asked Questions

It is a 1U compute tray built for Dell's IR9048 rack, not a self-contained server. It has no power supplies of its own and is cooled through the rack's liquid manifold, so it runs inside an IR9048 ORv3 rack with power shelves, a coolant distribution unit and NVLink switch trays. Together those trays form an NVIDIA GB300 NVL72 system with up to 72 Blackwell Ultra GPUs. We can quote single trays as spares or expansion for an existing rack, or help you plan a complete rack.

Each tray holds two NVIDIA GB300 boards. Together they provide two NVIDIA Grace CPUs with 72 cores each, running at up to 3.6 GHz, and up to four Blackwell Ultra GPUs. Each Grace CPU has 480GB of LPDDR5X ECC memory soldered to the board, and each GPU has 288GB of HBM3e. CPUs and GPUs share coherent memory over 900GB/s NVLink-C2C, so there are no DIMM slots to upgrade.

The front takes up to eight hot-swap EDSFF E1.S NVMe SSDs, plus one M.2 2280 NVMe SSD on a riser for the OS, with no RAID. Two ConnectX-8 mezzanine cards give four 800Gb/s OSFP ports for the GPU scale-out fabric, and up to two front PCIe Gen5 x16 slots take a BlueField-3 B3240 DPU or ConnectX-8 cards. There is also a 1GbE LOM, a dedicated management port, USB 3.0 and Mini-DisplayPort. Please specify your fabric and capacity needs when you submit your quote configuration.

CPU and GPU cold plates carry the heat away through quick-disconnect couplings to the rack's liquid manifold, and a coolant distribution unit in the rack or row exchanges it with the facility loop. Eight fans cool the remaining parts, and leak sensors sit along the internal manifold. Power comes as 54V DC from the rack busbar, fed by 33kW power shelves that each hold six 5500W PSUs. Management is OpenBMC, with an iDRAC10 version also offered, and Dell lists GraceOS and Ubuntu as operating systems.

Both are Gen 17 AI platforms built around NVIDIA Blackwell Ultra GPUs, ConnectX-8 OSFP networking and iDRAC10 management. The XE9780 is a self-contained 10U air-cooled server with two Intel Xeon 6 CPUs, up to 4TB of DDR5 RDIMMs, eight HGX B300 or B200 GPUs and its own twelve PSUs. The XE9712 is a 1U liquid-cooled tray with two NVIDIA Grace CPUs, soldered LPDDR5X and up to four GPUs, and it depends on the IR9048 rack for power, cooling and NVLink, which joins up to 72 GPUs per rack.

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