Reference Guide

7. Citrix Xen Server
8. Ubuntu Canonical - Ubuntu Server LTS
NOTE: For more information about the specific versions and additions, go to Dell.com/support/home/Drivers/
SupportedOS/poweredge-m640.
System battery specifications
The Dell EMC PowerEdge M640 system supports CR 2032 3.0-V lithium coin cell system battery.
Memory specifications
Table 3. Memory specifications
Memory module
sockets
DIMM
type
DIMM rank
DIMM
capacity
Single processor Dual processors
Minimum
RAM
Maximum
RAM
Minimum RAM Maximum RAM
Sixteen 288-pins LRDIMM Octa rank 128 GB 128 GB 1024 GB 256 GB 2048 GB
Quad rank 64 GB 64 GB 512 GB 128 GB 1024 GB
RDIMM
Single rank 8 GB 8 GB 64 GB 16 GB 128 GB
Dual rank 16 GB 16 GB 128 GB 32 GB 256 GB
Dual rank 32 GB 32 GB 256 GB 64 GB 512 GB
Dual rank 64 GB 64 GB 512 GB 128 GB 1024 GB
Mezzanine card specifications
The Dell EMC PowerEdge M640 system supports two PCIe x8 Gen 3 slots mezzanine card supporting dual port 10 Gb Ethernet, quad port
1 Gb, FC8 Fibre Channel, FC16 Fibre Channel, or Infiniband mezzanine cards.
Storage controller specifications
The Dell EMC PowerEdge M640 system supports:
• Internal controllers: Software RAID S140, PERC9 H330, H730P
NOTE: S140 is supported only on SATA and NVMe drives.
• Boot Optimized Storage Subsystem (BOSS):
• HWRAID 2 x M.2 SSDs 120GB, 240 GB with 6 Gbps. BOSS card has x8 connector using PCIe gen 2.0 x2 lanes, available only in the
low-profile and half-height form factor.
• Internal Dual SD Module optional
Drive specifications
Hard drives
The Dell EMC PowerEdge M640 system supports up to two 2.5-inch, hot-swappable SAS/SATA HDDs, SSDs, or PCIe NVMe drives. The
hard drives or SSDs are supplied in a hot-swappable drive carriers that fit in the drive bays and these drives connect to the system board
through the drive backplane.
Ports and connectors specifications
6
Technical specifications