Product comparison · 2 memory modules

Kingston Technology 256MB 667MHz DDR2 Non-ECC CL5 DIMM vs Kingston Technology ValueRAM 2x 2GB 400MHz DDR2 Kit

Key differences

Internal memory
- 256MB 667MHz DDR2 Non-ECC CL5 DIMM:0.25 GB
- ValueRAM 2x 2GB 400MHz DDR2 Kit:2 GB
ECC
- 256MB 667MHz DDR2 Non-ECC CL5 DIMM:No
- ValueRAM 2x 2GB 400MHz DDR2 Kit:Yes
CAS latency
- 256MB 667MHz DDR2 Non-ECC CL5 DIMM:5
- ValueRAM 2x 2GB 400MHz DDR2 Kit:3
Memory bus
- 256MB 667MHz DDR2 Non-ECC CL5 DIMM:64 bit
- ValueRAM 2x 2GB 400MHz DDR2 Kit:72 bit
Check width
- 256MB 667MHz DDR2 Non-ECC CL5 DIMM:8 bit
- ValueRAM 2x 2GB 400MHz DDR2 Kit:4 bit

Differences highlightedShow differences only

Comparison of 256MB 667MHz DDR2 Non-ECC CL5 DIMM, ValueRAM 2x 2GB 400MHz DDR2 Kit
13 specifications	A Kingston Technology 256MB 667MHz DDR2 Non-ECC CL5 DIMM View product	B Kingston Technology ValueRAM 2x 2GB 400MHz DDR2 Kit View product
Features5 differ
Internal memoryDiffers	0.25 GB	2 GB
ECCDiffers	No	Yes
CAS latencyDiffers	5	3
Memory busDiffers	64 bit	72 bit
Check widthDiffers	8 bit	4 bit
Memory voltageKnown for one	1.8 V	Unknown — not stated by the source
Lead platingKnown for one	Gold	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133 mm
DepthKnown for one	Unknown — not stated by the source	4 mm
HeightKnown for one	Unknown — not stated by the source	30 mm
Other featuresidentical
Mac compatibilityKnown for one	Unknown — not stated by the source	No

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.