Product comparison · 2 memory modules

Kingston Technology 4GB 1066MHz vs Lenovo 43R2021 Notebook Memory

3specifications compared
3differ
0identical
18known for one product only

Key differences

Internal memory
- 4GB 1066MHz:4 GB
- 43R2021 Notebook Memory:2 GB
Internal memory type
- 4GB 1066MHz:DRAM
- 43R2021 Notebook Memory:DDR2
Memory form factor
- 4GB 1066MHz:204-pin SO-DIMM
- 43R2021 Notebook Memory:200-pin SO-DIMM

Side by side

Differences highlightedShow differences only

Comparison of 4GB 1066MHz, 43R2021 Notebook Memory
21 specifications	A Kingston Technology 4GB 1066MHz View product	B Lenovo 43R2021 Notebook Memory View product
Features3 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Known for one	1 x 4 GB	Unknown — not stated by the source
Internal memory typeDiffers	DRAM	DDR2
Memory form factorDiffers	204-pin SO-DIMM	200-pin SO-DIMM
CAS latencyKnown for one	7	Unknown — not stated by the source
Memory busKnown for one	64 bit	Unknown — not stated by the source
Buffered memory typeKnown for one	Unregistered (unbuffered)	Unknown — not stated by the source
Memory voltageKnown for one	1.5 V	Unknown — not stated by the source
Module configurationKnown for one	512M X 64	Unknown — not stated by the source
Memory typeKnown for one	DDR3	Unknown — not stated by the source
Lead platingKnown for one	Gold	Unknown — not stated by the source
Memory clock speedKnown for one	Unknown — not stated by the source	667 MHz
Other featuresidentical
Chips organisationKnown for one	X8	Unknown — not stated by the source
CompatibilityKnown for one	S26391-F504-L200 (Fujitsu); S26391-F791-L540 (Fujitsu)	Unknown — not stated by the source
Bus clock rateKnown for one	1066 MHz	Unknown — not stated by the source
Error indicationKnown for one	No	Unknown — not stated by the source
Form factorKnown for one	204-pin SODIMM	Unknown — not stated by the source
Internal memoryKnown for one	4096 MB	Unknown — not stated by the source
Memory layoutKnown for one	1 x 4096 MB	Unknown — not stated by the source
Data transfer rateKnown for one	Unknown — not stated by the source	5300 Mbit/s
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows Vista Business/Vista Home Premium

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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