Product comparison · 2 memory modules

Kingston Technology Memory 4GB DDR 266MHz RegECC CL25 vs Lenovo 256MB NP SDRAM DIMM UPG

5specifications compared
3differ
2identical
8known for one product only

Key differences

The Kingston Technology Memory 4GB DDR 266MHz RegECC CL25 has 3.75 GB more internal memory than the Lenovo 256MB NP SDRAM DIMM UPG (4 GB vs 0.25 GB). The Lenovo 256MB NP SDRAM DIMM UPG has 0.5 more CAS latency than the Kingston Technology Memory 4GB DDR 266MHz RegECC CL25 (3 vs 2.5). Memory form factor: 184-Pin DIMM on the Kingston Technology Memory 4GB DDR 266MHz RegECC CL25, 168-pin DIMM on the Lenovo 256MB NP SDRAM DIMM UPG.

Internal memory
- Memory 4GB DDR 266MHz RegECC CL25:4 GB
- 256MB NP SDRAM DIMM UPG:0.25 GB
Memory form factor
- Memory 4GB DDR 266MHz RegECC CL25:184-Pin DIMM
- 256MB NP SDRAM DIMM UPG:168-pin DIMM
CAS latency
- Memory 4GB DDR 266MHz RegECC CL25:2.5
- 256MB NP SDRAM DIMM UPG:3

Side by side

Differences highlightedShow differences only

Comparison of Memory 4GB DDR 266MHz RegECC CL25, 256MB NP SDRAM DIMM UPG
13 specifications	A Kingston Technology Memory 4GB DDR 266MHz RegECC CL25 View product	B Lenovo 256MB NP SDRAM DIMM UPG View product
Features3 differ
Internal memoryDiffers	4 GB	0.25 GB
Internal memory typeKnown for one	DDR	Unknown — not stated by the source
Memory form factorDiffers	184-Pin DIMM	168-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	2.5	3
Memory busKnown for one	72 bit	Unknown — not stated by the source
Check widthKnown for one	4 bit	Unknown — not stated by the source
Memory voltageKnown for one	2.5 V	Unknown — not stated by the source
Lead plating	Gold	Gold
Memory clock speedKnown for one	Unknown — not stated by the source	133 MHz
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133.4 mm
DepthKnown for one	Unknown — not stated by the source	35.7 mm
HeightKnown for one	Unknown — not stated by the source	3.8 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.

More memory module comparisons

All memory module comparisons