Product comparison · 2 memory modules

Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x8 vs Lenovo 2GB PC2-5300

Key differences

Internal memory
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x8:4 GB
- 2GB PC2-5300:2 GB
Internal memory type
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x8:DDR2
- 2GB PC2-5300:DDR

Differences highlightedShow differences only

Comparison of 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x8, 2GB PC2-5300
17 specifications	A Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x8 View product	B Lenovo 2GB PC2-5300 View product
Features2 differ
Internal memoryDiffers	4 GB	2 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 factorKnown for one	240-pin DIMM	Unknown — not stated by the source
ECC	Yes	Yes
CAS latencyKnown for one	5	Unknown — not stated by the source
Memory busKnown for one	72 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	667 MHz
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	134 mm
DepthKnown for one	Unknown — not stated by the source	30 mm
HeightKnown for one	Unknown — not stated by the source	3 mm
Other featuresidentical
Number of pinsKnown for one	Unknown — not stated by the source	200
Memory technologyKnown for one	Unknown — not stated by the source	PC2-5300

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.