Scalability is the name of the game with the Dell PowerEdge R420. This 2-socket server is designed with an emphasis on web tech, high availability and comes in 4-bay (3.5") and 8-bay (2.5") varieties. The 1U rack size, with its short, 24-inch chassis, is designed with consideration for your space constraints. Enterprise-level accessibility is still an option as the R430 comes with Dell's remote access tool, iDRAC. The server accommodates Intel's Xeon E5-2400 series processors; its HP performance equivalent is the DL360E G8.

Specifications Model: Dell PowerEdge R420
CPU: Up to 2 x Intel® Xeon® E5-2400 series processors
RAM: 12 DIMMS (Maximum 384GB DDR3 at 1600Mhz)
RAID: Support for Dell PERC Storage Controllers
HDD: Up to 4 x 3.5" SATA or SAS; 8 x 2.5" SATA or SAS
I/O: 1 CPU - 1 x PCIe3 x16 half-length half-height, 1 x PCIe3 x16 half-length full-height; 2 CPU - 1 x PCIe3 x4 half-length half-height, 1 x PCIe3 x16 half-length full-height
NIC: 2 x 1 Gigabit Ethernet
Remote Management: iDRAC 7

 Specification Sheet