Product comparison · 2 memory modules

Acer 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920) vs Acer 4GB Upgrade kit (2x2GB) ECC DDR-2 800MHz, unbuffered (G330 Mk2)

Key differences

Memory clock speed
- 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920):667 MHz
- 4GB Upgrade kit (2x2GB) ECC DDR-2 800MHz, unbuffered (G330 Mk2):800 MHz

Differences highlightedShow differences only

Comparison of 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920), 4GB Upgrade kit (2x2GB) ECC DDR-2 800MHz, unbuffered (G330 Mk2)
7 specifications	A Acer 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920)View product	B Acer 4GB Upgrade kit (2x2GB) ECC DDR-2 800MHz, unbuffered (G330 Mk2)View product
Features1 differ
Internal memory	4 GB	4 GB
Memory layout (modules x size)	2 x 2 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factor	200-pin SO-DIMM	200-pin SO-DIMM
ECC	Yes	Yes
Memory clock speedDiffers	667 MHz	800 MHz
Other featuresidentical
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.