Product comparison · 2 memory modules

Kingston Technology 2GB, 1066MHz, DDR3, ECC w/ thermal sensor vs Kingston Technology 4GB, 1066MHz, DDR3, Non-ECC, CL7, DIMM

Key differences

Internal memory
- 2GB, 1066MHz, DDR3, ECC w/ thermal sensor:2 GB
- 4GB, 1066MHz, DDR3, Non-ECC, CL7, DIMM:4 GB
Memory layout (modules x size)
- 2GB, 1066MHz, DDR3, ECC w/ thermal sensor:1 x 2 GB
- 4GB, 1066MHz, DDR3, Non-ECC, CL7, DIMM:1 x 4 GB
ECC
- 2GB, 1066MHz, DDR3, ECC w/ thermal sensor:Yes
- 4GB, 1066MHz, DDR3, Non-ECC, CL7, DIMM:No
Memory bus
- 2GB, 1066MHz, DDR3, ECC w/ thermal sensor:72 bit
- 4GB, 1066MHz, DDR3, Non-ECC, CL7, DIMM:64 bit
Module configuration
- 2GB, 1066MHz, DDR3, ECC w/ thermal sensor:256M X 72
- 4GB, 1066MHz, DDR3, Non-ECC, CL7, DIMM:512M X 64

Differences highlightedShow differences only

Comparison of 2GB, 1066MHz, DDR3, ECC w/ thermal sensor, 4GB, 1066MHz, DDR3, Non-ECC, CL7, DIMM
18 specifications	A Kingston Technology 2GB, 1066MHz, DDR3, ECC w/ thermal sensor View product	B Kingston Technology 4GB, 1066MHz, DDR3, Non-ECC, CL7, DIMM View product
Features5 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	1 x 4 GB
Internal memory type	DDR3	DDR3
Memory form factor	240-pin DIMM	240-pin DIMM
ECCDiffers	Yes	No
CAS latency	7	7
Memory busDiffers	72 bit	64 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
Module configurationDiffers	256M X 72	512M X 64
Memory type	DDR3	DDR3
Lead plating	Gold	Gold
Other featuresidentical
Bus clock rate	1066 MHz	1066 MHz
Error indicationKnown for one	Unknown — not stated by the source	No
Form factor	240-pin DIMM	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
Chips organisationKnown for one	X8	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.