Product comparison · 2 memory modules

Kingston Technology 1GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rank, x8 vs Kingston Technology 256MB, 133MHz, Non-ECC, CL3, Low Profile, SODIMM 144-pin, 32M X 64

Key differences

Internal memory
- 1GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rank, x8:1 GB
- 256MB, 133MHz, Non-ECC, CL3, Low Profile, SODIMM 144-pin, 32M X 64:0.25 GB
Memory form factor
- 1GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rank, x8:240-pin DIMM
- 256MB, 133MHz, Non-ECC, CL3, Low Profile, SODIMM 144-pin, 32M X 64:144-pin SO-DIMM
ECC
- 1GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rank, x8:Yes
- 256MB, 133MHz, Non-ECC, CL3, Low Profile, SODIMM 144-pin, 32M X 64:No
CAS latency
- 1GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rank, x8:4
- 256MB, 133MHz, Non-ECC, CL3, Low Profile, SODIMM 144-pin, 32M X 64:3
Memory voltage
- 1GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rank, x8:1.8 V
- 256MB, 133MHz, Non-ECC, CL3, Low Profile, SODIMM 144-pin, 32M X 64:3.3 V

Differences highlightedShow differences only

Comparison of 1GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rank, x8, 256MB, 133MHz, Non-ECC, CL3, Low Profile, SODIMM 144-pin, 32M X 64
9 specifications	A Kingston Technology 1GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rank, x8 View product	B Kingston Technology 256MB, 133MHz, Non-ECC, CL3, Low Profile, SODIMM 144-pin, 32M X 64 View product
Features5 differ
Internal memoryDiffers	1 GB	0.25 GB
Internal memory typeKnown for one	DDR2	Unknown — not stated by the source
Memory form factorDiffers	240-pin DIMM	144-pin SO-DIMM
ECCDiffers	Yes	No
CAS latencyDiffers	4	3
Memory busKnown for one	72 bit	Unknown — not stated by the source
Check widthKnown for one	8 bit	Unknown — not stated by the source
Memory voltageDiffers	1.8 V	3.3 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.