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Silver 2U rack server chassis with front drive bays and control panel

DELL

DELL PowerEdge XE9640 2U rack server 4 GPU 61.44 TB NVMe

SKU CH-KXAP-ZXMK2 MPN PowerEdge_XE9640

A 2U liquid-cooled rack server for AI, ML and HPC workloads supporting four 600 W Intel Max 1550 or 700 W NVIDIA H100 GPUs, up to two Xeon Scalable CPUs.

  • WorkloadMeet the demands of AI, ML, DL and HPC with the high perform
  • TypeRack
  • Rack Height2U
  • SecurityCryptographically signed firmware Data at Rest Encryption (S
  • CPU TypeIntel Xeon Scalable
  • # of Processors Installed0
  • Handles AI, ML, DL and HPC workloads with liquid-cooled performance
  • Supports two 4th Generation Intel Xeon Scalable processors for compute scale
  • Configurable with 4 Intel Max 1550 OAM 600W or 4 NVIDIA H100 SXM 700W NVLINK GPUs
  • Up to 4 x 2.5-inch NVMe SSD drives delivering 61.44 TB storage capacity
  • DDR5 memory up to 2 TB with 32 DIMM slots for large datasets

2U liquid-cooled AI server

The Dell PowerEdge XE9640 is a 2U rack server built for AI, ML, DL and HPC workloads. It supports up to two Intel Xeon Scalable processors on the Intel C741 chipset and ships without CPUs or memory installed. The chassis uses liquid cooling to handle high-density accelerator configurations.

Sustained accelerator performance

The system accommodates four Intel Data Center Max 1550 OAM modules at 600 W each with Xe Link, or four NVIDIA H100 SXM modules at 700 W each with NVLINK. Liquid cooling is designed to maintain thermal stability for these accelerators during continuous training or inference runs. Front bays accept up to four 2.5-inch NVMe SSDs for a maximum of 61.44 TB of high-speed local storage.

Pre-deployment checklist

Verify that your rack provides 2U of space and compatible liquid-cooling infrastructure for the chosen GPU option. Confirm DDR5 memory module quantities: 16 or 32 DIMMs for NVIDIA configurations up to 2 TB, but only 16 DIMMs supported for Intel GPU configurations up to 1 TB. Ensure power distribution can deliver the required wattage for dual CPUs plus four 600 W or 700 W accelerators.

Punti di forza

  • Handles AI, ML, DL and HPC workloads with liquid-cooled performance
  • Supports two 4th Generation Intel Xeon Scalable processors for compute scale
  • Configurable with 4 Intel Max 1550 OAM 600W or 4 NVIDIA H100 SXM 700W NVLINK GPUs
  • Up to 4 x 2.5-inch NVMe SSD drives delivering 61.44 TB storage capacity
  • DDR5 memory up to 2 TB with 32 DIMM slots for large datasets

Caratteristiche tecniche

BrandDELL
SeriesPowerEdge XE9640
WorkloadMeet the demands of AI, ML, DL and HPC with the high performance liquid-cooled server
TypeRack
Rack Height2U
SecurityCryptographically signed firmware
Data at Rest Encryption (SEDs with local or external key mgmt)
Secure Boot
Secured Component Verification (Hardware integrity check)
Secure Erase
Silicon Root of Trust
System Lockdown (requires iDRAC9 Enterprise or Datacenter)
TPM 2.0 FIPS, CC-TCG certified, TPM 2.0 China
CPU TypeIntel Xeon Scalable
# of Processors Installed0
MAX Processors2
ChipsetIntel C741
Installed Memory SizeNo
Memory TypeDDR5
Max Memory Capacity2TB
Hard Drive (Installed)None
HDD InterfaceSATA/SAS
SSD (Installed)No
GPU Type4 Intel Data Center Max 1550 OAM 600W with Xe Link or 4 NVIDIA H100 SXM 700W NVLINK GPUs
Expansion BaysFront: STORAGE
- Up to 4 x 2.5-inch NVMe SSD drives max 61.44 TB
Other portsFront ports
- 1 x iDRAC Direct (Micro-AB USB) port
- 1 x USB 2.0
- 1 x VGA
Rear ports
- 1 x USB 2.0
- 1 x USB 3.0
- 1 x RJ45 iDRAC9 ethernet port
Operating SystemNo
Dimensions3.41" x 18.97" x 36.47"
Weight102.07 lbs.
Peso di spedizione27.22 kg
Dimensioni del pacco1016 × 635 × 127 mm

Domande su questo articolo

How much heat does the liquid-cooled server produce when running AI workloads all day?

The server uses liquid cooling to handle four GPUs rated at 600 W or 700 W each, keeping component temperatures stable under continuous load.

Which CPUs and memory must I supply to make the system operational?

You must install up to two Intel Xeon Scalable processors on the C741 chipset and populate DDR5 DIMMs up to 2 TB total capacity.

Can I keep my existing SATA or SAS drives and use them in the front bays?

The front bays accept up to four 2.5-inch NVMe SSDs only; SATA and SAS drives are not supported in those slots.

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