Product comparison · 2 memory modules

HyperX 4GB, 1066MHz (PC2-8500), DDR2, CL5 (5-5-5-15), DIMM, (Kit of 2) vs Kingston Technology 4GB 1066MHz DDR3 ECC Reg CL7 DIMM 2R, x4 w/Therm Sensor (Intel)

Key differences

Internal memory
- 4GB, 1066MHz (PC2-8500), DDR2, CL5 (5-5-5-15), DIMM, (Kit of 2):2 GB
- 4GB 1066MHz DDR3 ECC Reg CL7 DIMM 2R, x4 w/Therm Sensor (Intel):4 GB
Memory layout (modules x size)
- 4GB, 1066MHz (PC2-8500), DDR2, CL5 (5-5-5-15), DIMM, (Kit of 2):2 x 2 GB
- 4GB 1066MHz DDR3 ECC Reg CL7 DIMM 2R, x4 w/Therm Sensor (Intel):1 x 4 GB
Internal memory type
- 4GB, 1066MHz (PC2-8500), DDR2, CL5 (5-5-5-15), DIMM, (Kit of 2):DDR2
- 4GB 1066MHz DDR3 ECC Reg CL7 DIMM 2R, x4 w/Therm Sensor (Intel):DDR3
Memory voltage
- 4GB, 1066MHz (PC2-8500), DDR2, CL5 (5-5-5-15), DIMM, (Kit of 2):2.2 V
- 4GB 1066MHz DDR3 ECC Reg CL7 DIMM 2R, x4 w/Therm Sensor (Intel):1.5 V

Differences highlightedShow differences only

Comparison of 4GB, 1066MHz (PC2-8500), DDR2, CL5 (5-5-5-15), DIMM, (Kit of 2), 4GB 1066MHz DDR3 ECC Reg CL7 DIMM 2R, x4 w/Therm Sensor (Intel)
15 specifications	A HyperX 4GB, 1066MHz (PC2-8500), DDR2, CL5 (5-5-5-15), DIMM, (Kit of 2)View product	B Kingston Technology 4GB 1066MHz DDR3 ECC Reg CL7 DIMM 2R, x4 w/Therm Sensor (Intel)View product
Features4 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 4 GB
Internal memory typeDiffers	DDR2	DDR3
ECCKnown for one	Unknown — not stated by the source	Yes
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 voltageDiffers	2.2 V	1.5 V
Module configurationKnown for one	Unknown — not stated by the source	512M X 72
Memory typeKnown for one	Unknown — not stated by the source	DDR3
Lead platingKnown for one	Unknown — not stated by the source	Gold
CAS latencyKnown for one	5	Unknown — not stated by the source
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X4
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.