Product comparison · 2 memory modules

HyperX 2GB, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), DIMM, (Kit of 2),1.7V vs Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8

Key differences

Internal memory
- 2GB, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), DIMM, (Kit of 2),1.7V:2 GB
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:4 GB
Internal memory type
- 2GB, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), DIMM, (Kit of 2),1.7V:DDR3
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:DDR2
ECC
- 2GB, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), DIMM, (Kit of 2),1.7V:No
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:Yes
CAS latency
- 2GB, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), DIMM, (Kit of 2),1.7V:7
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:5
Memory voltage
- 2GB, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), DIMM, (Kit of 2),1.7V:1.7 V
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8:1.8 V

Differences highlightedShow differences only

Comparison of 2GB, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), DIMM, (Kit of 2),1.7V, 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8
19 specifications	A HyperX 2GB, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), DIMM, (Kit of 2),1.7V View product	B Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Quad Rank, x8 View product
Features5 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Internal memory typeDiffers	DDR3	DDR2
ECCDiffers	No	Yes
CAS latencyDiffers	7	5
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 rankingKnown for one	Unknown — not stated by the source	4
Memory voltageDiffers	1.7 V	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
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X8
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Error indicationKnown for one	Unknown — not stated by the source	ECC
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.