Dell EMC PowerEdge Four Socket Rack Servers
Technical Specifications

Power your mission critical applications and make real-time decisions with the 4-socket PowerEdge servers. Drive GPU database acceleration for business-critical applications with a powerful, four-socket server. Scale capacity with large internal storage. Up to four 2nd Generation Intel® Xeon® Scalable processors with up to 28 cores per processor.

Model Processor Memory Controllers Drive Bays I/O & Ports
PowerEdge R820 Intel® Xeon® processor E5-4600 product family Up to 1.5TB
(48 DIMM slots):
2GB/4GB/8GB/16GB/32GB DDR3 up to 1600MHz
Internal controllers:
PERC H310
PERC H710
PERC H710P
External HBAs (RAID):
PERC H810
External HBAs (non-RAID):
6Gbps SAS HBA
Up to sixteen 2.5” hot-plug SAS, SATA, or SSD 7 PCIe slots:
Two x16
One x8
Three x8
One x8
All options half-length, full-height
PowerEdge R830 Intel® Xeon® processor E5-4600 v4 product family (48 DIMM slots): 8GB/16GB/32GB/64GB DDR4, RDIMM, LRDIMM up 2400MT/s Internal controllers: PERC H330, PERC H730, PERC H730P External HBAs (RAID): PERC H830 External HBAs (non-RAID): 12Gbps SAS HBA Up to 16 x 2.5″ 7 PCIe slots: • 2 x16 half-length, full-height • 1 x8 half-length, full-height • 3 x8 half-length, half-height • 1 x8 half-length, full-height for the RAID controller
PowerEdge R840 Up to four Intel® Xeon® Scalable processors, up to 28 cores each 48 DDR4 DIMM slots, Supports RDIMM /LRDIMM, up to 2666MT/s, 6TB max Up to 12 NVDIMMs, 384GB Max Supports registered ECC DDR4 DIMMs only Internal Controllers: PERC H730P, H740P, H330 Software RAID (SWRAID) S140 Boot Optimized Storage Subsystem: HWRAID 2 x M.2 SSDs 120GB or 240 GB External PERC (RAID): H840 12Gbps SAS HBAs (non-RAID): External-12Gbps SAS HBA (non-RAID), Internal- HBA330 (non-RAID) Front drive bays: Up to 8x 2.5” SAS SATA (HDDs/SSDs) max 30TB, or up to 24 x 2.5” SAS/SATA (HDDs/SSDs) with up to 12 NVMe PCIe SSDs max 122TB, or up to 24 NVMe PCIe SSDs max 153TB Rear drive bays: Up to 2 x 2.5” SAS/SATA (HDDs/SSDs), max 7.68TB Network Daughter Card Options 4 x 1GE, 4 x 10GE, 2 x 10GE+2 x 1GE, or 2 x 25GE Front ports: Video, 2 x USB 2.0, 1 dedicated IDRAC Direct Micro-USB. (Optional 1 x USB 3.0 only offered on the 8-drive configuration). Rear ports: Video, serial, 2 x USB 3.0
Internal port: 1 x USB 3.0
Video card: VGA
PCIe: Up to 6 x Gen3 slots, (4×16 slots or 2×16 + 4×8 slots)
PowerEdge R920 Intel Xeon processor E7‐4800 v2 and  E7‐8800 v2 product families (up to  4); Intel Xeon processor E7‐2800 v2  product family (up to 2) 96 DIMM slots, up to 6TB Internal controllers: PERC H730P External HBAs (RAID): PERC H810  6Gbps SAS HBA Up to 24 2.5” hot‐plug 12Gb/6Gb SAS HDD or SAS/SATA SSD Up to 8 front‐accessible Express Flash NVMe PCIe SSD (PCIe 3.0) Up to 10 PCIe slots; 8 PCIe 3.0, + 1 RAID slot, + 1 NDC slot + 2 optional PCIe slots
PowerEdge R930 Intel Xeon E7-8800 v4 and E7-4800 v4 processors Up to 12TB (96 DIMM slots): 8GB/16GB/32GB/64GB/128GB DDR4, RDIMM, LRDIMM up 2400MT/s Internal controllers: PERC H330, PERC H730P External HBAs (RAID): PERC H830 External HBAs (non-RAID): 12Gbps SAS HBA Up to 24 2.5″ hot-plug 12Gb/6Gb SAS HDD or SAS/SATA SSD Up to 8 front-accessible Express Flash NVMe PCIe SSD (PCIe 3.0) Up to 10 PCIe 3.0 slots + 1 RAID slot + 1 NDC slot
PowerEdge R940 Up to four Intel® Xeon® SP, up to 28 cores 48 DDR4 DIMM slots, Supports RDIMM /LRDIMM, up to 2666MT/s, 6TB max Up to 12 NVDIMM, 192 GB Max Supports registered ECC DDR4 DIMMs only Internal controllers: PERC S140, H330, H740P Boot optimized Storage Subsystem External HBAs (RAID): H840 External HBAs (non-RAID): 12 Gbps SAS HBA Front drive bays: Up to 24 x 2.5” SAS/SATA (HDD/SSD) with up to 12 NVMe PCIe SSD, max 122TB Network daughter card options 4x 1Gb, 4x 10Gb, 2x 10Gb+2x 1Gb, or 2x 25Gb Front ports: Video, 2 x USB 3.0, dedicated IDRAC Direct USB Rear ports: Video, serial, 2 x USB 3.0, dedicated iDRAC network port Video card: VGA Up to 13 x Gen3 slots, (3 x8 + 10 x16)
PowerEdge R940xa Up to four Intel® Xeon® Scalable processors, up to 28 cores each 48 DDR4 DIMM slots, Supports RDIMM /LRDIMM, up to 2666MT/s, 6TB max Up to 12 NVDIMMs, 384GB Max Supports registered ECC DDR4 DIMMs only Internal Controllers: PERC H730P, H740P, H330 Software RAID (SWRAID) S140 Boot Optimized Storage Subsystem: HWRAID 2 x M.2 SSDs 120GB or 240 GB External PERC (RAID): H840 12Gbps SAS HBAs (non-RAID): External-12Gbps SAS HBA (non-RAID). Internal- HBA330 (non-RAID) Front drive bays: Up to 8x 2.5” SAS SATA (HDD/SSD) max 30TB, or up 24 x 2.5” SAS/SATA (HDD/SSD) max 92TB, or up to 32 SAS/SATA (HDD/SSD) with up to 4 NVME PCIe SSD max 132TB Network Daughter Card Options 4 x 1GE, 4 x 10GE, 2 x 10GE+2 x 1GE, or 2 x 25GE Front ports: Video, 2 x USB 2.0, 1 dedicated IDRAC Direct Micro-USB. (Optional 1 x USB 3.0 only offered on the 8-drive configuration). Rear ports: Video, serial, 2 x USB 3.0
Internal port: 1 x USB 3.0
Video card: VGA
PCIe: Up to 12 x Gen3 slots, (6×16 slots or 2×16 + 10×8 slots)

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