Product comparison · 2 memory modules

Kingston Technology 2GB 266MHz DDR ECC Registered CL2.5 DIMM Low Profile Dual Rank, x4 vs Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4

Key differences

Internal memory type
- 2GB 266MHz DDR ECC Registered CL2.5 DIMM Low Profile Dual Rank, x4:DDR
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:DDR2
Memory form factor
- 2GB 266MHz DDR ECC Registered CL2.5 DIMM Low Profile Dual Rank, x4:184-Pin DIMM
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:240-pin DIMM
CAS latency
- 2GB 266MHz DDR ECC Registered CL2.5 DIMM Low Profile Dual Rank, x4:2.5
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:3
Memory voltage
- 2GB 266MHz DDR ECC Registered CL2.5 DIMM Low Profile Dual Rank, x4:2.5 V
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:1.8 V

Differences highlightedShow differences only

Comparison of 2GB 266MHz DDR ECC Registered CL2.5 DIMM Low Profile Dual Rank, x4, 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4
9 specifications	A Kingston Technology 2GB 266MHz DDR ECC Registered CL2.5 DIMM Low Profile Dual Rank, x4 View product	B Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 View product
Features4 differ
Internal memory	2 GB	2 GB
Internal memory typeDiffers	DDR	DDR2
Memory form factorDiffers	184-Pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	2.5	3
Memory bus	72 bit	72 bit
Check width	4 bit	4 bit
Memory voltageDiffers	2.5 V	1.8 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.