Dell PowerEdge T420 Owner's Manual - Page 141

Technical Specifications - ram

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8 Technical Specifications Processor Processor type Expansion Bus Bus type Expansion slots Memory Architecture Memory module sockets Memory module capacities RDIMMs UDIMMs Minimum RAM Maximum RAM One or two Intel Xeon processors E5-2400 product family PCI Express Generation 3 and 2 (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 1 800 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 Twelve 240-pin 2 GB, 4 GB, 8 GB, and 16 GB 2 GB (single-rank), 4 GB (single- and dual-rank), 8 GB (dualrank), and 16 GB (dual-rank) 2 GB (single-rank) and 4 GB (single- and dual-rank) 2 GB with a single processor 4 GB with two processors 141

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8
Technical Specifications
Processor
Processor type
One or two Intel Xeon processors E5-2400 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, and 16 GB
RDIMMs
2 GB (single-rank), 4 GB (single- and dual-rank), 8 GB (dual-
rank), and 16 GB (dual-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
Maximum RAM
141