Dell PowerEdge R620 review

Price when reviewed

When Dell launched its PowerEdge R610, we rated it as the best-designed 1U rack server. In this exclusive review, we look at the 12th-generation PowerEdge R620, which crams even more processing power and features into the smallest of rack spaces.

The R620 is aimed firmly at virtualisation, but also has a sharp focus on HPC and workgroup applications. Along with support for the entire Xeon E5-2600 family of CPUs, it offers a high memory capacity, making it well suited to any of these tasks.

Virtualisation gets another boost with Dell’s optional dual SD memory card controller. It’s been redesigned, and fits into a slot at the back, where it keeps an onboard copy of the primary boot media in case of failure.

Dell PowerEdge R620

The base system supports four, six or eight hot-swap SFF hard disks and there’s a choice of SAS 2, SATA III, nearline SAS and SSDs. The ten-bay model has a deeper chassis of 756mm, and uses a small LED diagnostics panel on one side to make room for two extra bays. A third chassis offers four SSF drive bays and two hotplug PCI Express Flash SSDs. These are available in 175GB and 350GB capacities, and use a full-length PCI Express bridge card for connection to the server.

The RAID options start with an embedded PERC S110 controller. This low-cost option supports software-managed stripes, mirrors and RAID5 arrays in Windows for up to four SATA II drives. The review system came with the new PERC H710P Mini card. This snaps into a dedicated slot, has 512MB of cache and an integral battery backup pack, and supports up to RAID6 for 6Gbits/sec SAS and SATA drives.

Removing the lid reveals a cunning design, with not one iota of space wasted. The drive backplane is cabled directly to an eight-port SAS connector, tucked in next to the H710P RAID card. The processor sockets are fitted with small heatsinks, allowing Dell to include a total of 24 DIMM slots. Cooling is handled by a bank of seven compact hot-swap fan modules. Despite the packed interior, we found the server quiet.


Warranty3yr on-site



Server formatRack
Server configuration1U


CPU familyIntel Xeon
CPU nominal frequency2.90GHz
Processors supplied2
CPU socket count2


RAM capacity768GB
Memory typeDDR3


Hard disk configuration4 x 146GB Dell 15K.2
Total hard disk capacity584GB
RAID levels supported0, 1, 5, 6, 10


Gigabit LAN ports2


PCI-E x16 slots total3

Power supply

Power supply rating720W

Noise and power

Idle power consumption115W
Peak power consumption420W

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