Product comparison · 2 memory modules

Kingston Technology 4GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 Intel Validated vs Lenovo Memory 256MB PC2100 DDR SDRAM DIMM

Key differences

Internal memory
- 4GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 Intel Validated:4 GB
- Memory 256MB PC2100 DDR SDRAM DIMM:0.25 GB
Internal memory type
- 4GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 Intel Validated:DDR2
- Memory 256MB PC2100 DDR SDRAM DIMM:DDR
Memory form factor
- 4GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 Intel Validated:240-pin DIMM
- Memory 256MB PC2100 DDR SDRAM DIMM:200-pin SO-DIMM
CAS latency
- 4GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 Intel Validated:3
- Memory 256MB PC2100 DDR SDRAM DIMM:2.5

Differences highlightedShow differences only

Comparison of 4GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 Intel Validated, Memory 256MB PC2100 DDR SDRAM DIMM
17 specifications	A Kingston Technology 4GB 400MHz DDR2 ECC Registered CL3 DIMM Dual Rank, x4 Intel Validated View product	B Lenovo Memory 256MB PC2100 DDR SDRAM DIMM View product
Features4 differ
Internal memoryDiffers	4 GB	0.25 GB
Memory layout (modules x size)Known for one	1 x 4 GB	Unknown — not stated by the source
Internal memory typeDiffers	DDR2	DDR
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECCKnown for one	Yes	Unknown — not stated by the source
CAS latencyDiffers	3	2.5
Memory busKnown for one	72 bit	Unknown — not stated by the source
Check widthKnown for one	4 bit	Unknown — not stated by the source
Buffered memory typeKnown for one	Registered (buffered)	Unknown — not stated by the source
Memory voltageKnown for one	1.8 V	Unknown — not stated by the source
Memory typeKnown for one	DDR2	Unknown — not stated by the source
Lead plating	Gold	Gold
Memory clock speedKnown for one	Unknown — not stated by the source	266 MHz
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	68 mm
DepthKnown for one	Unknown — not stated by the source	32 mm
HeightKnown for one	Unknown — not stated by the source	3.8 mm
WeightKnown for one	Unknown — not stated by the source	15 g

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.