The PowerEdge R940 is designed to power your mission critical
applications and real-time decisions. With four sockets and up to
12 NMVe drives, the R940 provides scalable performance in just 3U.
Breathtaking performance for mission-critical workloads
The scalable business architecture of the EMC PowerEdge R940 can
deliver the most mission critical workloads.
With automatic workload tuning for many workloads, configuration is
quick. Combined with up to 15.36TB of memory and
13 PCIe Gen 3 slots, the R940 has all the resources to maximize
application performance and scale for future demands.
• Maximize storage performance with up to 12 NVMe drives and ensure
application performance scales easily.
• Optimized for software defined storage with a special 2-socket
configuration delivering 50% more UPI bandwidth
compared to a regular 2-socket server.
• Free up storage space using internal M.2 SSDs optimized for boot.
• Eliminate bottlenecks with up to 15.36TB of memory in 48 DIMMS,
24 of which can be Intel® Optane™ DC persistent
memory DCPMMs.
Automate maintenance with EMC OpenManage
The EMC OpenManage™ portfolio helps deliver peak efficiency for
PowerEdge servers, delivering intelligent,automated management of
routine tasks. Combined with unique agent-free management
capabilities,the PowerEdge R940 is simply managed, freeing up time
for high profile projects.
• Simplify management with the OpenManage Enterprise™ console, with
customized reporting and automatic discovery.
• Take advantage of QuickSync 2 capabilities and gain access to
your servers easily through your phone or tablet.
| R940 | Technical Specification |
| Processor | Up to four 2nd Generation Intel® Xeon® Scalable processors, up to
28 cores each |
| Memory | 48 DDR4 DIMM slots, Supports RDIMM /LRDIMM, up to 2933MT/s, 6TB max Up to 12 NVDIMM, 384GB Max
Up to 24 Intel® Optane™ DC persistent memory DCPMM, max 12.28TB,
(15.36TB max with DCPMM and LDRIMM)
Supports registered ECC DDR4 DIMMs only |
Storage controllers
Internal boot | Internal Controllers: PERC H330, H730P, H740P, HBA330
External Controllers: H840, 12 Gbps SAS HBA
Software RAID:S140
Boot Optimized Storage Subsystem (BOSS):HWRAID 2 x M.2 SSDs 240GB,
480GB
Internal Dual SD Module |
| Drive bays | Front drive bays: Up to 24 x 2.5” SAS/SATA (HDD/SSD) with up to 12
NVMe PCIe SSD, max 184.32TB |
| Power Supplies | Platinum 1100W, 1100W 380VDC, 1600W, 2000W, 2400W
Gold 1100W-48VDC | Hot plug power supplies with full redundancy option
8 hot plugs fans with full redundancy |
| Dimensions | Form factor: Rack (3U) Height: 130.3mm (5.13”)
Width: 434mm (17.08”)
Depth: 784.2mm (30.8”)
Weight: 49.9kg (110lbs.)
*Dimensions do not include bezel |
| Embedded Management | IPMI 2.0 compliant
iDRAC9, iDRAC Direct, iDRAC RESTful with Redfish
Quick Sync 2 wireless module (optional) |
| I/O & Ports | Network daughter card options
4x 1GbE, 4x 10GbE, 2x 10GbE+2x 1GbE, or 2x 25GbE
Front ports: 1 x Dedicated iDRAC Direct USB, 2 x USB 3.0, 1 x VGA
Rear ports: 1 x Dedicated iDRAC network port, 1 x Serial, 2 x USB
3.0, 1 x VGA
Video card: 2 x VGA
Up to 13 x Gen3 slots, (3 x8 + 10 x16) |
System overview
The EMC PowerEdge R940 is a 4-socket, 3U monolithic rack server
designed to run complex workloads using highly scalable memory,
I/O, and network options. The system features the 2nd Generation
Intel® Xeon® Processor Scalable family,with up to 48 DDR4 DIMMs, up
to 13 PCI Express (PCIe) 3.0 enabled expansion slots, and a choice
of embedded NIC technologies.
Chassis views
Front view of the system
Figure 1. PowerEdge R940 front panel
1. Left control panel
2. System health and system identifier
3. iDRAC Quick Sync 2 wireless indicator
4. Hard drives
5. USB management port
6. Power button
7. Video connector
8. USB management port/iDRAC Direct
9. Information tag
Figure 2. PowerEdge R940 back view
1. Full-height PCIe expansion card slot
2. Full-height PCIe expansion slots
3. Ethernet connector (4)
4. Full-height PCIe expansion card slot
5. Power supply unit (2)
6. Video port
7. Serial port
8. iDRAC9 Enterprise port
9. USB port
10. System identification button
11. Status indicator cable port
