Product comparison · 2 memory modules

HP 2GB (2x1GB) Single Rank PC2-5300 (DDR2-667) Registered Memory Kit vs HP 4GB (1x4GB) Single Rank x4 PC3L-10600 (DDR3-1333) Registered CAS-9 Low Power Memory Kit

Key differences

Internal memory
- 2GB (2x1GB) Single Rank PC2-5300 (DDR2-667) Registered Memory Kit:2 GB
- 4GB (1x4GB) Single Rank x4 PC3L-10600 (DDR3-1333) Registered CAS-9 Low Power Memory Kit:4 GB
Memory layout (modules x size)
- 2GB (2x1GB) Single Rank PC2-5300 (DDR2-667) Registered Memory Kit:2 x 1 GB
- 4GB (1x4GB) Single Rank x4 PC3L-10600 (DDR3-1333) Registered CAS-9 Low Power Memory Kit:1 x 4 GB
Internal memory type
- 2GB (2x1GB) Single Rank PC2-5300 (DDR2-667) Registered Memory Kit:DDR2
- 4GB (1x4GB) Single Rank x4 PC3L-10600 (DDR3-1333) Registered CAS-9 Low Power Memory Kit:DDR3
Memory clock speed
- 2GB (2x1GB) Single Rank PC2-5300 (DDR2-667) Registered Memory Kit:667 MHz
- 4GB (1x4GB) Single Rank x4 PC3L-10600 (DDR3-1333) Registered CAS-9 Low Power Memory Kit:1333 MHz

Differences highlightedShow differences only

Comparison of 2GB (2x1GB) Single Rank PC2-5300 (DDR2-667) Registered Memory Kit, 4GB (1x4GB) Single Rank x4 PC3L-10600 (DDR3-1333) Registered CAS-9 Low Power Memory Kit
11 specifications	A HP 2GB (2x1GB) Single Rank PC2-5300 (DDR2-667) Registered Memory Kit View product	B HP 4GB (1x4GB) Single Rank x4 PC3L-10600 (DDR3-1333) Registered CAS-9 Low Power Memory Kit View product
Features4 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	2 x 1 GB	1 x 4 GB
Internal memory typeDiffers	DDR2	DDR3
Component for	PC/Server	PC/Server
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
Memory clock speedDiffers	667 MHz	1333 MHz
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory ranking	1	1
Memory voltageKnown for one	1.8 V	Unknown — not stated by the source
CAS latencyKnown for one	Unknown — not stated by the source	9

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.