Dell PowerEdge R7425
Dell EMC's two-socket 2U AMD rack server: up to two 1st Generation AMD EPYC 7000-series processors with up to 32 cores each, 32 DDR4 DIMMs, up to 8 PCIe slots and up to 32 drive bays. Built for dense virtualization, HPC and high-throughput two-socket workloads.
Memory
- Slots
- 32 DDR4 DIMM (16 per CPU, 8 channels), 288-pin
- RDIMM
- 8 GB (1R): max 128 GB (1P) / 256 GB (2P); 16 GB or 32 GB (2R): max 256-512 GB (1P) / 512 GB-1 TB (2P)
- LRDIMM
- 64 GB (4R): max 1 TB (1P) / 2 TB (2P)
- Speed
- 2666 MT/s, 2400 MT/s, 2133 MT/s or 1866 MT/s
Storage
- 8-drive
- Up to 8 x 3.5" or 2.5" SAS/SATA/NL-SAS front
- 12-drive
- Up to 12 x 3.5" SAS/SATA/NL-SAS front
- 18-drive
- 12 x 3.5" front + 4 x 3.5" mid + 2 x 3.5" rear SAS/SATA/NL-SAS
- 24-drive
- 24 x 2.5" SAS/SATA/NL-SAS front; or 16 x 2.5" SAS/SATA + 12 x 2.5" NVMe (8 universal); or up to 24 x 2.5" NVMe
- 32-drive
- 24 x 2.5" front + 4 x 3.5" mid + 4 x 2.5" rear SAS/SATA/NL-SAS
- Controllers
- Internal: PERC H330+, H730+, H740P, HBA330, S140 (software RAID), BOSS-S1 (boot); External: PERC H840, 12 Gbps SAS HBA
Expansion
- Slots 1-3
- Full-height full-length x16/x8, processor 1 (risers 1A/1D/1E)
- Slots 4-5
- Full-height full-length x16, processor 1 and processor 2 (risers 2D/2A/2E)
- Slot 6
- Low-profile half-length x8/x16, processor 2 (risers 2D/2A/2C/2E)
- Slots 7-8
- Full-height full-length x8/x16, processor 2 (risers 3A/3B)
- Other
- PCIe Gen3, up to 8 slots total; not hot-swappable
Networking
- NDC
- 4 x RJ-45 (10/100/1000 or up to 10 Gbps mixed); or 2 x RJ-45 (1 Gbps) + 2 x SFP+ (10 Gbps); or 4 x SFP+ (10 Gbps); or 2 x SFP28 (25 Gbps)
- Add-in
- Up to 8 PCIe add-on NIC cards
Power
- PSU options
- 495 W Platinum; 750 W Titanium/Platinum (AC, mixed-mode, HVDC); 1100 W Platinum (AC/DC); 1600 W, 2000 W, 2400 W Platinum AC
- High-line requirement
- 1100 W AC/HVDC and higher PSUs need 200-240 V to deliver rated capacity
- Battery
- CR2032 3.0 V lithium coin cell
Ports
- Front
- 2 x USB 2.0, 1 x optional USB 3.0, 1 x micro-USB 2.0 (iDRAC Direct), 1 x VGA
- Rear
- 2 x USB 3.0, 1 x serial (DB-9, 16550-compliant), 1 x VGA
- Internal
- 1 x USB 3.0
Physical
- Form factor
- 2U rack, dual socket
- Dimensions
- 86.8 mm H x 434 mm W (482 mm with ears)
- Depth
- 677.3 mm to rear wall I/O; 715.63 mm to PSU handle
- Weight
- 28.4 kg (2.5") to 33.4 kg (3.5"), maximum
- Operating temp
- 10-35 C continuous; expanded range 5-40/45 C with restrictions
Management
- BMC
- iDRAC9 with Lifecycle Controller
- Video
- Matrox G200eW3, 16 MB frame buffer
- IDSDM/vFlash
- Combined module: vFlash only, or vFlash + IDSDM; microSD 16/32/64 GB (IDSDM), 16 GB (vFlash)
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 6.7 virtualization
Processors
- AMD EPYC 7601
- AMD EPYC 7551
- AMD EPYC 7501
- AMD EPYC 7451
- AMD EPYC 7401
- AMD EPYC 7351
- AMD EPYC 7301
- AMD EPYC 7281
- AMD EPYC 7261
- AMD EPYC 7251