Product comparison · 2 memory modules

Lenovo 256MB SDRAM SODIMM UPG vs Lenovo Memory 1024MB PC2700 DDR SDRAM UDIMM

Key differences

Internal memory
- 256MB SDRAM SODIMM UPG:0.25 GB
- Memory 1024MB PC2700 DDR SDRAM UDIMM:1 GB
Memory form factor
- 256MB SDRAM SODIMM UPG:144-pin SO-DIMM
- Memory 1024MB PC2700 DDR SDRAM UDIMM:184-pin DIMM
Operating temperature (T-T)
- 256MB SDRAM SODIMM UPG:10 - 35 °C
- Memory 1024MB PC2700 DDR SDRAM UDIMM:0 - 65 °C
Operating relative humidity (H-H)
- 256MB SDRAM SODIMM UPG:10 - 80%
- Memory 1024MB PC2700 DDR SDRAM UDIMM:10 - 90%
Width
- 256MB SDRAM SODIMM UPG:67.6 mm
- Memory 1024MB PC2700 DDR SDRAM UDIMM:133.4 mm
Depth
- 256MB SDRAM SODIMM UPG:25.4 mm
- Memory 1024MB PC2700 DDR SDRAM UDIMM:35.7 mm
Height
- 256MB SDRAM SODIMM UPG:4 mm
- Memory 1024MB PC2700 DDR SDRAM UDIMM:3.8 mm

Differences highlightedShow differences only

Comparison of 256MB SDRAM SODIMM UPG, Memory 1024MB PC2700 DDR SDRAM UDIMM
14 specifications	A Lenovo 256MB SDRAM SODIMM UPG View product	B Lenovo Memory 1024MB PC2700 DDR SDRAM UDIMM View product
Features2 differ
Internal memoryDiffers	0.25 GB	1 GB
Internal memory typeKnown for one	Unknown — not stated by the source	DDR
Memory form factorDiffers	144-pin SO-DIMM	184-pin DIMM
ECC	Yes	Yes
CAS latencyKnown for one	Unknown — not stated by the source	2.5
Lead plating	Gold	Gold
Memory clock speedKnown for one	100 MHz	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	10 - 35 °C	0 - 65 °C
Operating relative humidity (H-H)Differs	10 - 80%	10 - 90%
Weight & dimensions3 differ
WidthDiffers	67.6 mm	133.4 mm
DepthDiffers	25.4 mm	35.7 mm
HeightDiffers	4 mm	3.8 mm
Other featuresidentical
Supported data transfer ratesKnown for one	Unknown — not stated by the source	Up to 2,700 MBps
Special featuresKnown for one	Authenticity Seal, Tamper evident carton seal	Unknown — not stated by the source

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.