Product comparison · 2 memory modules

Lenovo 256MB NP DDR2 SDRAM UDIMM vs Lenovo MEMORY 512MB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD)

Key differences

Internal memory
- 256MB NP DDR2 SDRAM UDIMM:0.25 GB
- MEMORY 512MB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD):0.5 GB
Memory form factor
- 256MB NP DDR2 SDRAM UDIMM:240-pin DIMM
- MEMORY 512MB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD):200-pin SO-DIMM
Width
- 256MB NP DDR2 SDRAM UDIMM:133 mm
- MEMORY 512MB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD):68 mm
Depth
- 256MB NP DDR2 SDRAM UDIMM:30 mm
- MEMORY 512MB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD):32 mm
Height
- 256MB NP DDR2 SDRAM UDIMM:2.7 mm
- MEMORY 512MB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD):4 mm

Differences highlightedShow differences only

Comparison of 256MB NP DDR2 SDRAM UDIMM, MEMORY 512MB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD)
12 specifications	A Lenovo 256MB NP DDR2 SDRAM UDIMM View product	B Lenovo MEMORY 512MB PC2-4200 CL4 DDR2 SDRAM SODIMM MEMORY (THINKPAD)View product
Features2 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Internal memory type	DDR2	DDR2
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECC	Yes	Yes
CAS latency	4	4
Memory clock speed	533 MHz	533 MHz
Lead plating	Gold	Gold
Operational conditionsidentical
Operating temperature (T-T)	0 - 65 °C	0 - 65 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Weight & dimensions3 differ
WidthDiffers	133 mm	68 mm
DepthDiffers	30 mm	32 mm
HeightDiffers	2.7 mm	4 mm

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.