Product comparison · 2 memory modules

Kingston Technology 256MB 533MHz DDR2 Non-ECC CL4 DIMM vs Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4

Key differences

Internal memory
- 256MB 533MHz DDR2 Non-ECC CL4 DIMM:0.25 GB
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:2 GB
ECC
- 256MB 533MHz DDR2 Non-ECC CL4 DIMM:No
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:Yes
CAS latency
- 256MB 533MHz DDR2 Non-ECC CL4 DIMM:4
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:3
Memory bus
- 256MB 533MHz DDR2 Non-ECC CL4 DIMM:64 bit
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:72 bit
Check width
- 256MB 533MHz DDR2 Non-ECC CL4 DIMM:8 bit
- 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4:4 bit

Differences highlightedShow differences only

Comparison of 256MB 533MHz DDR2 Non-ECC CL4 DIMM, 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4
9 specifications	A Kingston Technology 256MB 533MHz DDR2 Non-ECC CL4 DIMM View product	B Kingston Technology 2GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 View product
Features5 differ
Internal memoryDiffers	0.25 GB	2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	4	3
Memory busDiffers	64 bit	72 bit
Check widthDiffers	8 bit	4 bit
Memory voltage	1.8 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.