Dell E20S001 owner manual Expansion Bus, Expansion slots, Memory

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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 3 and 2
Expansion slots
	(Slot 1) One full-height, half-length x4 PCIe Gen2 card slot
	connected to Platform Controller Hub (PCH)
	(Slot 2) One full-height, full-length x1 PCIe Gen2 card slot
	connected to PCH
	(Slot 3) One full-height, full-length x16 PCIe Gen3 card slot
	connected to processor 1
	(Slot 4) One full-height, full-length x4 PCIe Gen3 card slot
	connected to processor 1
	(Slot 5) One full-height, full-length x16 PCIe Gen3 card slot
	connected to processor 2
	(Slot 6) One full-height, half-length x4 PCIe Gen3 card slot
	connected to processor 1
Memory
Architecture	800 MT/s, 1066 MT/s, 1333 MT/s, or 1600 MT/s DDR3
	registered or unbuffered Error Correcting Code (ECC)
	DIMMs
	Support for advanced ECC or memory optimized operation
Memory module sockets	Twelve 240-pin
Memory module capacities	2 GB, 4 GB, 8 GB, 16 GB, and 32 GB
RDIMMs	2 GB (single-rank), 4 GB (single- and dual-rank), 8 GB
	(single- and 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 a single processor
	4 GB with two processors

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