Dell R420, E18S001 owner manual Expansion Bus, Expansion slots using riser card, Memory, Drives

7

Technical Specifications

Processor

Processor type	One or two Intel Xeon processors E5-2400 and E5-2400 v2
	product family
Expansion Bus
Bus type	PCI Express Generation 2 and 3
Expansion slots using riser card:
Riser 1	(Slot 1) One half-height, half length x4 link (for single
	processor) or One half-height, half length x16 link (for
	two processors)
Riser 2	(Slot 2) One full-height, half-length x16 link
Memory
Architecture	800 MT/s, 1066 MT/s, 1333 MT/s, or 1600 MT/s DDR3
	registered, unbuffered or load-reduced Error Correcting
	Code (ECC) DIMMs
	Support for advanced ECC or memory optimized
	operation
Memory module sockets	Twelve 240-pin
Memory module capacities
RDIMMs	2 GB (single-rank), 4 GB (single- and dual-rank), 8 GB
	(dual rank), 16 GB (dual-rank), and 32 GB (quad-rank)
UDIMMs	2 GB (single-rank) and 4 GB (single- and dual-rank)
Minimum RAM	2 GB with one processor
	4 GB with two processors
Maximum RAM	192 GB with one processor
	384 GB with two processors
Drives
Hard drives
Four hard-drive systems	Up to four 3.5 inch cabled hard drives
	Up to four 3.5 inch hot-swappable SAS, SATA, or
	Nearline SAS hard drives, or

121