Skip to main content
  • Place orders quickly and easily
  • View orders and track your shipping status
  • Create and access a list of your products

PowerEdge R640 Rack Server

Ideal balance of density and scalability

Provide scalable, secure, high-density computing. Designed for software-defined storage, private cloud, and high-performance computer (HPC).

Chat Callout Question? Click to Chat or Call 1800-425-2057

Processor

Up to two 2nd Generation Intel® Xeon® Scalable processors with up to 28 cores per processor

Operating System

Canonical® Ubuntu® Server LTS
Citrix® Hypervisor ®
Microsoft® Windows Server® with Hyper-V
Red Hat® Enterprise Linux
SUSE® Linux Enterprise Server
VMware® ESXi®

Accelerators

Up to one single-width FPGA  
Up to three single-width GPU (NVIDIA T4)

Memory

DIMM Speed
Up to 2933MT/s

Memory Type
RDIMM
LRDIMM
NVDIMM
DCPMM (Intel® Optane™ DC persistent memory)
 
Memory Module Slots
24 DDR4 DIMM slots (12 NVDIMM or 12 DCPMM only)
Supports registered ECC DDR4 DIMMs only
 
Maximum RAM
RDIMM 1.53TB
LRDIMM 3TB
NVDIMM 192GB
DCPMM 6.14TB (7.68TB with LRDIMM)

Storage

Front Bays
Up to 10 x 2.5” with up to 8 NVMe, SAS/SATA/SSD/NVMe, max 76.8TB 
Up to 10 NVMe, max 64TB  
Up to 4 x 3.5” SAS/SATA, max 56TB
 
Rear Bays
Up to 2 x 2.5” SAS/SATA/SSD/NVMe, max 15.36TB

Storage Controllers

Internal Controllers:
PERC H330, H730P, H740P, HBA330
  
External Controllers
12Gbps SAS HBA

Software RAID
S140 

Internal Boot
Boot Optimized Storage Subsystem (BOSS):
HWRAID 2 x M.2 SSDs 240GB, 480 GB

Internal Dual SD Module

Security

Cryptographically signed firmware
Secure Boot
Secure Erase
Silicon Root of Trust
System Lockdown (requires OpenManage Enterprise)
TPM 1.2/2.0, TCM 2.0 optional

Management

Embedded / At-the-Server
iDRAC9
iDRAC RESTful API with Redfish
iDRAC Direct
Quick Sync 2 BLE/wireless module
 
Consoles
OpenManage Enterprise
OpenManage Power Center
 
Mobility
OpenManage Mobile
 
Tools
Dell RACADM CLI
Dell Repository Manager
Dell System Update
Dell Server Update Utility
Dell Update Catalogs
iDRAC Service Module
IPMI Tool
OpenManage Server Administrator
OpenManage Storage Services
 
OpenManage Integrations
BMC Truesight
Microsoft® System Center
RedHat® Ansible® Modules
VMware® vCenter
 
OpenManage Connections
IBM Tivoli® Netcool/OMNIbus
IBM Tivoli® Network Manager IP Edition
Micro Focus® Operations Manager I
Nagios® Core
Nagios® XI

Power Supplies

495W Platinum
750W Platinum
750W 240HVDC Platinum*
1100W 48VDC
1100W Platinum
1100W 380HVDC Platinum*
1600W Platinum
750W Titanium
Hot plug power supplies with full redundancy option
Up to 8 hot plugs fans with full redundancy

Ports

Network Options
4 x 1GbE 
2 x 10GbE + 2 x 1GbE
4 x 10GbE 
2 x 25GbE
 
Front Ports
1 x Dedicated iDRAC direct USB 
1 x USB 2.0
1 x USB 3.0 (optional)
1 x Video

Rear Ports
1 x Dedicated iDRAC network port
1 x Serial
2 x USB 3.0
1 x Video

Slots

PCIe
3 x Gen3 slots (all x16)

Video Card
1 x VGA

Bezel

Optional LCD bezel or security bezel

Form Factor

1U Rack Server

Dimensions & Weight

Height
42.8mm (1.69”) 
 
Width*
482.0mm (18.98")
 
Depth*
808.5mm (31.8")

Weight
21.9kg (48.3 lbs.)

Rack Support

ReadyRails™ sliding rails with optional cable management arm for 4-post racks (optional adapter brackets required for threaded hole racks).

Recommended Support

Choose Dell ProSupport Plus for critical systems or Dell ProSupport for premium hardware and software support for your PowerEdge solution. Consulting and deployment offerings are also available. Contact your Dell representative today for more information. Availability and terms of Dell Services vary by region.

Drivers, Manuals & Support

Dell Support

From drivers and manuals to diagnostic tools and replacement parts, Dell Product Support has you covered!

Intel® Xeon® Scalable Processors

Learn More about Intel

Compare Products ()

Add the products you would like to compare, and quickly determine which is best for your needs.

Add the products you would like to compare, and quickly determine which is best for your needs.