Specifications

Table 3 summarizes the specifications for each of the PowerEdge R420 features. For the latest
information on supported features for the PowerEdge R420, visit Dell.com.
Feature
PowerEdge R420 technical specification
Form factor
1U rack
Processors
Intel Xeon processor E5-2400 product family
Processor sockets
2 sockets
Internal interconnect
Intel QuickPath Interconnect (QPI) link: 6.4GT/s, 7.2GT/s, 8.0GT/s
Cache
2.5MB per core with core options of 4, 6, or 8
Chipset
Intel C600
Memory
1
Up to 192GB (12 DIMM slots): 2GB/4GB/8GB/16GB DDR3 up to 1600MT/s
PCIe slots
2 PCIe slots
With 2 processors:
 1 x16 slot with x16 bandwidth, 3.0, half-height, half-length
 1 x16 slot with x16 bandwidth, 3.0, full-height, half-length
With 1 processor:
 1 x8 slot with x4 bandwidth, 2.0, half-height, half-length
 1 x16 slot with x16 bandwidth, 3.0, full-height, half-length
RAID controller
Internal controllers:
PERC S110 (SW RAID)
PERC H310
PERC H710
PERC H710P
External HBAs (RAID):
PERC H810
External HBAs (non-RAID):
6Gbps SAS HBA
Hard drives
Drive bay options:
4 x 3.5” cabled drive bays or
4 x 3.5” hot-plug drive bays (2.5” hybrid kit available) or
8 x 2.5” hot- plug drive bays
Hot-plug hard drive options:
2.5” SATA, nearline SAS, SAS (15K, 10K), SAS SSD, SATA SSD
3.5” SATA, nearline SAS, SAS (15K)
Self-encrypting drives available
Cabled hard drive options:
3.5” SATA, nearline SAS, SAS (15K)
Embedded NIC
Broadcom
®
5720 Dual Port 1GbE LOM
Power supply
Platinum efficiency 550W and 350W power supplies
Silver efficiency cabled 550W power supply
Auto-ranging power supplies