Product comparison · 2 memory modules

Kingston Technology 4GB, 1066MHz, DDR3, ECC, CL7, DIMM vs Lenovo 73P3845 memory module

Key differences

Internal memory
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:4 GB
- 73P3845 memory module:1 GB
Memory layout (modules x size)
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:1 x 4 GB
- 73P3845 memory module:1 x 1 GB
Internal memory type
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:DDR3
- 73P3845 memory module:DDR2
Memory form factor
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:240-pin DIMM
- 73P3845 memory module:200-pin SO-DIMM
ECC
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:Yes
- 73P3845 memory module:No
CAS latency
- 4GB, 1066MHz, DDR3, ECC, CL7, DIMM:7
- 73P3845 memory module:4

Differences highlightedShow differences only

Comparison of 4GB, 1066MHz, DDR3, ECC, CL7, DIMM, 73P3845
19 specifications	A Kingston Technology 4GB, 1066MHz, DDR3, ECC, CL7, DIMM View product	B Lenovo 73P3845 memory module Model 73P3845 View product
Features6 differ
Internal memoryDiffers	4 GB	1 GB
Memory layout (modules x size)Differs	1 x 4 GB	1 x 1 GB
Internal memory typeDiffers	DDR3	DDR2
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECCDiffers	Yes	No
CAS latencyDiffers	7	4
Memory busKnown for one	72 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 72	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	533 MHz
Other featuresidentical
Chips organisationKnown for one	X8	Unknown — not stated by the source
Bus clock rateKnown for one	1066 MHz	Unknown — not stated by the source
Error indicationKnown for one	ECC	Unknown — not stated by the source
Form factorKnown for one	240-pin DIMM	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

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.