Dell PowerEdge XE9712
A rack-scale AI compute sled built on NVIDIA's Grace Blackwell Ultra GB300 NVL72 architecture: each 1U sled carries two NVIDIA Grace CPUs and four Blackwell Ultra GPUs, and up to 18 sleds unify into a 72-GPU, 36-Grace-CPU NVLink domain inside Dell's IR9048 direct-liquid-cooled rack.
Memory
- Type
- 480 GB LPDDR5X with ECC per Grace CPU (soldered, not upgradeable)
- CPU-GPU interconnect
- NVLink-C2C, 900 GB/s of coherent CPU-GPU memory
Storage
- Front bays
- Up to 8 × EDSFF E1.S hot-swap NVMe drives
- Controller
- Direct NVMe via ConnectX-8 (CX8) mezzanine PCIe
- Boot
- 1 × M.2 boot module
Graphics
- GPUs
- 4 × NVIDIA Blackwell Ultra GPUs per sled, 288 GB HBM3e each
- Rack-scale
- Up to 72 GPUs / 36 Grace CPUs per IR9048 rack, unified over NVLink (1.8 TB/s GPU-to-GPU)
Expansion
- PCIe
- Up to 2 × Gen5 x16 FHHL slots, front risers only
- Mezzanine
- 2 × Gen5/Gen6 mezzanine slots
- Cards
- 1 × NVIDIA BlueField-3 (BF3) SuperNIC, Full Height Half Length
Networking
- LOM
- 1 × 1 GbE integrated LOM
- OSFP
- 4 × 800 Gb/s OSFP ports off dual CX8 mezzanine cards
- DPU
- Optional NVIDIA BlueField-3 SuperNIC, up to 400 Gb/s QSFP
Power
- Rack power shelf
- 6 × 5500 W AC PSUs (33 kW total), 54 VDC output to rack busbar
- Cooling
- Direct Liquid Cooling (DLC) for CPUs/GPUs; 8 standard dual-rotor cooling fans per sled for remaining components
Ports
- USB
- 1 × USB 3.0 Type-A
- Video
- 1 × Mini-DisplayPort
- Serial
- 1 × BIOS serial out
- Management
- 1 × RJ45 dedicated BMC port (iDRAC10 on iDRAC-equipped variant)
- BF3 management
- 1 × RJ45 BF3 management port (optional)
Physical
- Dimensions (sled)
- 43.6 mm × 438 mm × 807 mm (H×W×D)
- Weight (sled)
- 30 kg (66.14 lb)
- Rack
- IR9048: 2294 mm × 750 mm × 1200 mm (1340 mm with stabilizers), 48 RU, 1590 kg (3505 lb) wet weight
Management
- BMC
- Aspeed AST2600 BMC, DC-SCI compatible, OpenBMC; BMC-to-NVIDIA HMC for HPM management
- iDRAC variant
- iDRAC 10 with BMC-to-NVIDIA HMC for HPM management
- Security
- Silicon Root of Trust, cryptographically signed firmware, MFA and role-based access control
Operating systems
- Supported
- GraceOS (NVIDIA-qualified), Canonical Ubuntu Server LTS
Processors
- NVIDIA Grace (72-core)