Product comparison · 2 memory modules

Acer 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920) vs Kingston Technology 8GB Low Power Kit

5specifications compared
3differ
2identical
15known for one product only

Key differences

The Kingston Technology 8GB Low Power Kit has 4 GB more internal memory than the Acer 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920) (8 GB vs 4 GB). Memory layout (modules x size): 2 x 2 GB on the Acer 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920), 2 x 4 GB on the Kingston Technology 8GB Low Power Kit. Memory form factor: 200-pin SO-DIMM on the Acer 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920), 240-pin DIMM on the Kingston Technology 8GB Low Power Kit.

Internal memory
- 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920):4 GB
- 8GB Low Power Kit:8 GB
Memory layout (modules x size)
- 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920):2 x 2 GB
- 8GB Low Power Kit:2 x 4 GB
Memory form factor
- 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920):200-pin SO-DIMM
- 8GB Low Power Kit:240-pin DIMM

Side by side

Differences highlightedShow differences only

Comparison of 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920), 8GB Low Power Kit
20 specifications	A Acer 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920)View product	B Kingston Technology 8GB Low Power Kit View product
Features3 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	2 x 2 GB	2 x 4 GB
Memory form factorDiffers	200-pin SO-DIMM	240-pin DIMM
CAS latencyKnown for one	Unknown — not stated by the source	5
Memory busKnown for one	Unknown — not stated by the source	72 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Registered (buffered)
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	512M X 72
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Lead platingKnown for one	Unknown — not stated by the source	Gold
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
Other featuresidentical
CompatibilityKnown for one	Unknown — not stated by the source	397415-B21 (HP); 466440-B21 (HP); EM162AA (HP)
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Error indicationKnown for one	Unknown — not stated by the source	ECC
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memoryKnown for one	Unknown — not stated by the source	8192 MB
Memory layoutKnown for one	Unknown — not stated by the source	2 x 4096 MB
Number of pinsKnown for one	240	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.

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