Product comparison · 2 memory modules

Acer 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920) vs Kingston Technology 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4

5specifications compared
3differ
2identical
16known for one product only

Key differences

The Kingston Technology 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4 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), 1 x 8 GB on the Kingston Technology 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4. 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 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4.

Internal memory
- 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920):4 GB
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:8 GB
Memory layout (modules x size)
- 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920):2 x 2 GB
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:1 x 8 GB
Memory form factor
- 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920):200-pin SO-DIMM
- 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4:240-pin DIMM

Side by side

Differences highlightedShow differences only

Comparison of 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920), 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4
21 specifications	A Acer 4GB FBD Upgrade kit (2x2GB) DDR2 667, ECC (G540-R520-R720-R920)View product	B Kingston Technology 8GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Dual Rank, x4 View product
Features3 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 8 GB
Internal memory type	DDR2	DDR2
Memory form factorDiffers	200-pin SO-DIMM	240-pin DIMM
ECC	Yes	Yes
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 rankingKnown for one	Unknown — not stated by the source	2
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	1024M 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
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133.3 mm
Other featuresidentical
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Error indicationKnown for one	Unknown — not stated by the source	Parity
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	1 x 8192 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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