Product comparison · 2 memory modules

HP 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM vs HyperX 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2)

Key differences

Internal memory
- 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM:2 GB
- 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2):1 GB
Memory layout (modules x size)
- 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM:1 x 2 GB
- 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2):2 x 0.5 GB
ECC
- 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM:Yes
- 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2):No
Memory clock speed
- 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM:667 MHz
- 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2):1066 MHz

Differences highlightedShow differences only

Comparison of 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM, 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2)
18 specifications	A HP 2 GB PC2-5300 ECC Registered DDR2 667 MHz DIMM View product	B HyperX 1GB 1066MHz DDR2 Non-ECC DIMM (Kit x2)View product
Features4 differ
Internal memoryDiffers	2 GB	1 GB
Memory layout (modules x size)Differs	1 x 2 GB	2 x 0.5 GB
Component forKnown for one	Unknown — not stated by the source	PC/Server
ECCDiffers	Yes	No
CAS latencyKnown for one	Unknown — not stated by the source	5
Memory clock speedDiffers	667 MHz	1066 MHz
Memory busKnown for one	Unknown — not stated by the source	64 bit
Check widthKnown for one	Unknown — not stated by the source	8 bit
Memory voltageKnown for one	Unknown — not stated by the source	2.2 V
Row cycle timeKnown for one	Unknown — not stated by the source	51.5 ns
Lead platingKnown for one	Unknown — not stated by the source	Gold
Buffered memory typeKnown for one	Registered (buffered)	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 55 °C
Softwareidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Packaging dataidentical
Package typeKnown for one	DIMM	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.