Product comparison · 2 memory modules

Fujitsu 1 GB ( 2 x 512 MB ) FB-DIMM 240-pin DDR2 vs Kingston Technology 4GB DDR2-667 Registered with Parity DIMM

Key differences

Internal memory
- 1 GB ( 2 x 512 MB ) FB-DIMM 240-pin DDR2:1 GB
- 4GB DDR2-667 Registered with Parity DIMM:4 GB
Buffered memory type
- 1 GB ( 2 x 512 MB ) FB-DIMM 240-pin DDR2:Unregistered (unbuffered)
- 4GB DDR2-667 Registered with Parity DIMM:Registered (buffered)

Differences highlightedShow differences only

Comparison of 1 GB ( 2 x 512 MB ) FB-DIMM 240-pin DDR2, 4GB DDR2-667 Registered with Parity DIMM
18 specifications	A Fujitsu 1 GB ( 2 x 512 MB ) FB-DIMM 240-pin DDR2 View product	B Kingston Technology 4GB DDR2-667 Registered with Parity DIMM View product
Features2 differ
Internal memoryDiffers	1 GB	4 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Internal memory type	DDR2	DDR2
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 typeDiffers	Unregistered (unbuffered)	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 form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
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	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	1 x 4096 MB

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.