Dell PowerEdge R750xa
Dell's 2U dual-socket GPU-accelerated rack server built on 3rd Generation Intel Xeon Scalable processors, supporting up to four double-width 300 W GPUs for AI/ML training and inferencing, HPC and virtualization.
Memory
- Slots
- 32 DIMM (16 per CPU)
- Max
- 2 TB RDIMM / 4 TB LRDIMM, up to 10 TB with Intel Optane Persistent Memory 200 Series
- Type
- DDR4 RDIMM, LRDIMM (DDP/3DS), ECC
- Speed
- Up to 3200 MT/s (2 DPC)
- Persistent memory
- Up to 16 x Intel Optane Persistent Memory 200 Series (8 per CPU), 512 GB max per module
Storage
- Front bays
- Up to 8 x 2.5" SAS/SATA/NVMe (max 122.88 TB), or up to 6 x 2.5" NVMe direct-attach (max 92.1 TB), or 4 x SAS/SATA + 4 x NVMe direct-attach
- Internal boot
- BOSS-S2: 2 x M.2 SATA SSD, 240 GB or 480 GB, hardware RAID 1
- Controllers (internal)
- PERC H345, H355, H745, H755, H755N; HBA355i; software RAID S150
- Controllers (external)
- PERC H840, HBA355e
- Drive capacities
- SAS SSD: 400 GB–30.72 TB; U.2 NVMe SSD: 960 GB–15.36 TB; M.2 SATA: 240/480 GB
- External storage
- USB tape, NAS/IDM appliance software, 12 Gb MD14xx and ME484 JBOD
Graphics
- GPU options
- Up to 4 double-width 300 W or 4 single-width 150 W GPUs in front risers, plus 2 single-width 75 W at rear
- Supported GPUs (at launch)
- NVIDIA A100 (with NVLink bridges), A40, A30, A10, T4; AMD MI100
- GPU interconnect
- NVLink bridges, 600 GB/s, for paired A100 or A40 cards
Expansion
- PCIe slots
- Up to 8 x PCIe Gen4 (up to 6 x16 + 2 x8), varies by riser configuration
- OCP
- 1 x OCP NIC 3.0 (x8 PCIe Gen4 lanes)
Networking
- Embedded NIC (LOM)
- 2 x 1 GbE (Broadcom BCM5720)
- Network options
- 1 x OCP NIC 3.0 mezzanine (x8 PCIe lanes)
Power
- Power supplies
- Redundant (1+1) hot-plug: 1400 W Platinum, 1800 W Titanium (86 mm form factor: 2400 W Platinum, 2800 W Titanium)
- Cooling
- Air cooling standard; optional processor liquid cooling
- Fans
- Up to 6 high-performance hot-plug fans
Ports
- Front
- 1 x dedicated iDRAC Direct micro-USB, 1 x USB 2.0, 1 x VGA
- Rear
- 1 x USB 2.0, 1 x USB 3.0, 2 x RJ-45 (1 GbE LOM), 1 x optional serial, 1 x optional VGA (liquid-cooled configs)
- Internal
- 1 x USB 3.0
- Management
- 1 x dedicated iDRAC9 network port
Physical
- Height
- 86.8 mm (3.41 in)
- Width
- 482.0 mm (18.97 in)
- Depth
- 894.8 mm (35.22 in) without bezel; 908.64 mm (35.77 in) with bezel
- Weight
- up to 34.9 kg (8 x 2.5" SSD); 29.0 kg (6 x 2.5" SSD)
- Rack height
- 2U
Management
- Embedded management
- iDRAC9, iDRAC Service Module, iDRAC Direct, Quick Sync 2 wireless module
- Software
- OpenManage Enterprise, Power Manager, SupportAssist and Update Manager plugins, OpenManage Mobile
- Security
- Cryptographically signed firmware, Secure Boot, Secure Erase, Silicon Root of Trust, System Lockdown (iDRAC9 Enterprise/Datacenter), TPM 1.2/2.0 (FIPS, CC-TCG, China NationZ)
Operating systems
- Supported
- Canonical Ubuntu Server LTS, Citrix Hypervisor, Microsoft Windows Server with Hyper-V, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi
Processors
- Intel Xeon Platinum 8380
- Intel Xeon Platinum 8368
- Intel Xeon Gold 8362
- Intel Xeon Gold 8358
- Intel Xeon Gold 8358P
- Intel Xeon Gold 8352S
- Intel Xeon Gold 8352M
- Intel Xeon Gold 6342
- Intel Xeon Gold 6338
- Intel Xeon Gold 6334
- Intel Xeon Gold 6330
- Intel Xeon Gold 6326
- Intel Xeon Gold 5320
- Intel Xeon Gold 5318S
- Intel Xeon Gold 5317
- Intel Xeon Silver 4316
- Intel Xeon Silver 4314
- Intel Xeon Silver 4310
- Intel Xeon Silver 4309Y