| Feature | PowerEdge R650 | PowerEdge R640 |
| CPU | 2 x 3rd Generation Intel® Xeon®
Processor Scalable Family | 2 x 2nd Generation Intel® Xeon®
Processor Scalable Family |
| CPU interconnect | Intel Ultra Path Interconnect (UPI) | Intel Ultra Path Interconnect (UPI) |
| Memory | 32 x DDR4 RDIMM, LRDIMM
16 x PMem ( Intel Optane Persistent
Memory 200 Series) | 24 x DDR4 RDIMM, LRDIMM
12 x NVDIMM
12 x PMem (Intel Optane Apache Pass) |
| Storage drives | 3.5 inches, 2.5 inches- 12 Gb SAS, 6 Gb
SATA, NVMe | 3.5 inches, 2.5 inches- 12 Gb SAS, 6 Gb
SATA, NVMe |
| Storage controllers | Adapters: HBA355E, H840
PERC: HBA355i, H345, H355, H745,
H755, H755N
BOSS- S1 adapter
BOSS S2
SW RAID: S150 | Adapters: HBA330, H330, H730P,
H740P, H840, 12G SAS HBA Mini Mono:
HBA330, H330, H730P, H740P SW
RAID: S140 |
| PCIe SSD | Up to 10+2 (10 x direct attach in front,
and 2 x direct attach in rear) | Up to 10 (8 x direct attach, 2 x from
PCIe bridge card) |
| PCIe slots | Max 3 PCIe 4.0 | Max 3 PCIe 3.0 |
| LOM | 2 x 1 Gb | NA |
| Networking | OCP 3.0 (x8 PCIe) | rNDC |
| Rack height | 1U | 1U |
| Power supplies | 100~240 V AC/240 V DC: 800 W, 1100
W, 1400 W
DC - 48 V ~- 60 V :1100 W | AC (Platinum): 495 W, 750 W, 1100 W,
1600W, 2000W, 2400W
AC (Titanium): 750 W
DC: 1100 W
Mix Mode/HVDC: 750 W, 1100 W |
| System management | LC 4.x, OpenManage, QuickSync2.0,
Digital License Key, iDRAC Direct
(dedicated micro-USB port), Easy
Restore | LC 3.x, OpenManage, QuickSync 2.0,
OMPC3, Digital License Key, iDRAC
Direct (dedicated micro-USB port), Easy
Restore, vFlash |
| Internal GPU | Up to 3 x 75 W (SW) | Up to 3 x 70 W (SW) |
| Availability | Hot-plug drives
Hot-plug redundant cooling
Hot-plug redundant power supplies
Hot-plug BOSS S2
IDSDM | Hot-plug drives
Hot-plug redundant cooling
Hot-plug redundant Power supplies
BOSS
IDSDM |
