Product comparison · 2 memory modules

Lenovo Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM vs Lenovo Memory 256MB PC1600 ECC DDR SDRAM RDIMM

Key differences

Internal memory
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:1 GB
- Memory 256MB PC1600 ECC DDR SDRAM RDIMM:0.25 GB
Internal memory type
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:DDR2
- Memory 256MB PC1600 ECC DDR SDRAM RDIMM:DDR
CAS latency
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:4
- Memory 256MB PC1600 ECC DDR SDRAM RDIMM:2
Memory clock speed
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:533 MHz
- Memory 256MB PC1600 ECC DDR SDRAM RDIMM:200 MHz
Width
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:134 mm
- Memory 256MB PC1600 ECC DDR SDRAM RDIMM:133.5 mm
Depth
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:30 mm
- Memory 256MB PC1600 ECC DDR SDRAM RDIMM:3.8 mm
Height
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:4 mm
- Memory 256MB PC1600 ECC DDR SDRAM RDIMM:43.3 mm
Number of pins
- Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM:240
- Memory 256MB PC1600 ECC DDR SDRAM RDIMM:184

Differences highlightedShow differences only

Comparison of Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM, Memory 256MB PC1600 ECC DDR SDRAM RDIMM
14 specifications	A Lenovo Memory 1GB PC2-4200 CL4 Non-Parity Unbuffered DDR2 SDRAM DIMM View product	B Lenovo Memory 256MB PC1600 ECC DDR SDRAM RDIMM View product
Features4 differ
Internal memoryDiffers	1 GB	0.25 GB
Internal memory typeDiffers	DDR2	DDR
Memory form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
CAS latencyDiffers	4	2
Memory clock speedDiffers	533 MHz	200 MHz
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	134 mm	133.5 mm
DepthDiffers	30 mm	3.8 mm
HeightDiffers	4 mm	43.3 mm
WeightKnown for one	Unknown — not stated by the source	45 g
Other features1 differ
Number of pinsDiffers	240	184

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.