Product comparison · 2 memory modules

Lenovo 512MB NP SDRAM DIMM UPG vs Lenovo Memory 1024MB PC2700 DDR SDRAM UDIMM

Key differences

Internal memory
- 512MB NP SDRAM DIMM UPG:0.5 GB
- Memory 1024MB PC2700 DDR SDRAM UDIMM:1 GB
Memory form factor
- 512MB NP SDRAM DIMM UPG:168-pin DIMM
- Memory 1024MB PC2700 DDR SDRAM UDIMM:184-pin DIMM
CAS latency
- 512MB NP SDRAM DIMM UPG:3
- Memory 1024MB PC2700 DDR SDRAM UDIMM:2.5
Operating temperature (T-T)
- 512MB NP SDRAM DIMM UPG:10 - 35 °C
- Memory 1024MB PC2700 DDR SDRAM UDIMM:0 - 65 °C
Operating relative humidity (H-H)
- 512MB NP SDRAM DIMM UPG:8 - 80%
- Memory 1024MB PC2700 DDR SDRAM UDIMM:10 - 90%

Differences highlightedShow differences only

Comparison of 512MB NP SDRAM DIMM UPG, Memory 1024MB PC2700 DDR SDRAM UDIMM
15 specifications	A Lenovo 512MB NP SDRAM DIMM UPG View product	B Lenovo Memory 1024MB PC2700 DDR SDRAM UDIMM View product
Features3 differ
Internal memoryDiffers	0.5 GB	1 GB
Memory form factorDiffers	168-pin DIMM	184-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	3	2.5
Memory clock speedKnown for one	133 MHz	Unknown — not stated by the source
Lead plating	Gold	Gold
Internal memory typeKnown for one	Unknown — not stated by the source	DDR
Operational conditions2 differ
Operating temperature (T-T)Differs	10 - 35 °C	0 - 65 °C
Operating relative humidity (H-H)Differs	8 - 80%	10 - 90%
Weight & dimensionsidentical
Width	133.4 mm	133.4 mm
Depth	35.7 mm	35.7 mm
Height	3.8 mm	3.8 mm
WeightKnown for one	45 g	Unknown — not stated by the source
Other featuresidentical
Special featuresKnown for one	Authenticity Seal, Tamper evident carton seal	Unknown — not stated by the source
Supported data transfer ratesKnown for one	Unknown — not stated by the source	Up to 2,700 MBps

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.