Product comparison · 2 memory modules

Kingston Technology 4GB 400MHz DDR2 ECC Registered CL3 DIMM (Kit of 2) Dual Rank, x4 vs Lenovo 256MB NP SDRAM DIMM UPG

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

Key differences

The Kingston Technology 4GB 400MHz DDR2 ECC Registered CL3 DIMM (Kit of 2) Dual Rank, x4 has 1.75 GB more internal memory than the Lenovo 256MB NP SDRAM DIMM UPG (2 GB vs 0.25 GB). The Kingston Technology 4GB 400MHz DDR2 ECC Registered CL3 DIMM (Kit of 2) Dual Rank, x4 has 72 -pin DIMM more memory form factor than the Lenovo 256MB NP SDRAM DIMM UPG (240-pin DIMM vs 168-pin DIMM).

Internal memory
- 4GB 400MHz DDR2 ECC Registered CL3 DIMM (Kit of 2) Dual Rank, x4:2 GB
- 256MB NP SDRAM DIMM UPG:0.25 GB
Memory form factor
- 4GB 400MHz DDR2 ECC Registered CL3 DIMM (Kit of 2) Dual Rank, x4:240-pin DIMM
- 256MB NP SDRAM DIMM UPG:168-pin DIMM

Side by side

Differences highlightedShow differences only

Comparison of 4GB 400MHz DDR2 ECC Registered CL3 DIMM (Kit of 2) Dual Rank, x4, 256MB NP SDRAM DIMM UPG
13 specifications	A Kingston Technology 4GB 400MHz DDR2 ECC Registered CL3 DIMM (Kit of 2) Dual Rank, x4 View product	B Lenovo 256MB NP SDRAM DIMM UPG View product
Features2 differ
Internal memoryDiffers	2 GB	0.25 GB
Internal memory typeKnown for one	DDR2	Unknown — not stated by the source
Memory form factorDiffers	240-pin DIMM	168-pin DIMM
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	1.8 V	Unknown — not stated by the source
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.

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