Product comparison · 2 memory modules

Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 vs Kingston Technology Memory 1GB 400MHz DDR ECC Reg CL3 DIMM

Key differences

Internal memory
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:2 GB
- Memory 1GB 400MHz DDR ECC Reg CL3 DIMM:1 GB
Internal memory type
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:DDR2
- Memory 1GB 400MHz DDR ECC Reg CL3 DIMM:DDR
Memory form factor
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:240-pin DIMM
- Memory 1GB 400MHz DDR ECC Reg CL3 DIMM:184-pin DIMM
Memory voltage
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:1.8 V
- Memory 1GB 400MHz DDR ECC Reg CL3 DIMM:2.6 V

Differences highlightedShow differences only

Comparison of 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4, Memory 1GB 400MHz DDR ECC Reg CL3 DIMM
9 specifications	A Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 View product	B Kingston Technology Memory 1GB 400MHz DDR ECC Reg CL3 DIMM View product
Features4 differ
Internal memoryDiffers	2 GB	1 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	184-pin DIMM
ECC	Yes	Yes
CAS latency	3	3
Memory bus	72 bit	72 bit
Check width	4 bit	4 bit
Memory voltageDiffers	1.8 V	2.6 V
Lead plating	Gold	Gold

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.