Product comparison · 2 memory modules

Kingston Technology 1GB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x4 vs Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4

Key differences

Internal memory
- 1GB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x4:1 GB
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:2 GB
Internal memory type
- 1GB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x4:DDR
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:DDR2
Memory form factor
- 1GB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x4:184-pin DIMM
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:240-pin DIMM
Memory voltage
- 1GB 400MHz DDR ECC Registered CL3 (3-3-3) DIMM Single Rank, x4:2.6 V
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:1.8 V

Differences highlightedShow differences only

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