Model

Server Dell PowerEdge R640 Silver 4110

Processor 

Up to two Intel® Xeon® Scalable processors, up to 28 cores per processor

Memory

24 DDR4 DIMM slots, Supports RDIMM /LRDIMM, speeds up to 2666MT/s, 3TB max
Up to 12 NVDIMM, 192 GB Max
Supports registered ECC DDR4 DIMMs only

Storage controllers 

Internal controllers: PERC H330, H730p, H740p, Software RAID (SWRAID) S140
Boot Optimized Storage Subsystem: HWRAID 2 x M.2 SSDs 120GB, 240 GB
External PERC (RAID): H840
12Gbps SAS HBAs (non-RAID): External- 12Gbps SAS HBA (non-RAID), Internal- HBA330 (non-RAID)

Drive bays 

Front drive bays: Up to 10 x 2.5” SAS/SATA (HDD/SSD) with up to 8 NVMe SSD max 58TB or
up to 4 x 3.5” SAS/SATA HDD max 48TB
Rear drive bays: Up to 2 x 2.5” SAS/SATA (HDD/SSD), NVMe SSD max 12TB
Optional DVD-ROM, DVD+RW

Embedded management 

IPMI 2.0 compliant
iDRAC9 with Lifecycle Controller (Express, Enterprise)
Quick Sync 2 wireless module optional

Bezel 

Optional LCD bezel or security bezel

I/O & Ports 

Network daughter card options
4 x 1GE or 2 x 10GE + 2 x 1GE or 4 x 10GE or 2 x 25GE
Front ports: Video, 1 x USB 2.0, available USB 3.0, dedicated IDRAC Direct USB
Rear ports: Video, serial, 2 x USB 3.0, dedicated iDRAC network port
Video card: VGA, NVIDIA NVS310 available as PCIe card
Up to 3 x Gen3 slots, all x16