Product comparison · 2 memory modules

2-Power 4GB DDR2 DIMM vs HP 8GB (1x8GB) Single Rank x4 DDR4-2133 CAS-15-15-15 Registered Memory Kit

Key differences

Internal memory
- 4GB DDR2 DIMM:4 GB
- 8GB (1x8GB) Single Rank x4 DDR4-2133 CAS-15-15-15 Registered Memory Kit:8 GB
Memory layout (modules x size)
- 4GB DDR2 DIMM:1 x 4 GB
- 8GB (1x8GB) Single Rank x4 DDR4-2133 CAS-15-15-15 Registered Memory Kit:1 x 8 GB
Internal memory type
- 4GB DDR2 DIMM:DDR2
- 8GB (1x8GB) Single Rank x4 DDR4-2133 CAS-15-15-15 Registered Memory Kit:DDR4
Memory form factor
- 4GB DDR2 DIMM:240-pin DIMM
- 8GB (1x8GB) Single Rank x4 DDR4-2133 CAS-15-15-15 Registered Memory Kit:288-pin DIMM
ECC
- 4GB DDR2 DIMM:No
- 8GB (1x8GB) Single Rank x4 DDR4-2133 CAS-15-15-15 Registered Memory Kit:Yes
CAS latency
- 4GB DDR2 DIMM:6
- 8GB (1x8GB) Single Rank x4 DDR4-2133 CAS-15-15-15 Registered Memory Kit:15
Memory clock speed
- 4GB DDR2 DIMM:800 MHz
- 8GB (1x8GB) Single Rank x4 DDR4-2133 CAS-15-15-15 Registered Memory Kit:2133 MHz
Buffered memory type
- 4GB DDR2 DIMM:Unregistered (unbuffered)
- 8GB (1x8GB) Single Rank x4 DDR4-2133 CAS-15-15-15 Registered Memory Kit:Registered (buffered)

Differences highlightedShow differences only

Comparison of 4GB DDR2 DIMM, 8GB (1x8GB) Single Rank x4 DDR4-2133 CAS-15-15-15 Registered Memory Kit
16 specifications	A 2-Power 4GB DDR2 DIMM View product	B HP 8GB (1x8GB) Single Rank x4 DDR4-2133 CAS-15-15-15 Registered Memory Kit View product
Features9 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	1 x 4 GB	1 x 8 GB
Internal memory typeDiffers	DDR2	DDR4
Component for	PC/Server	PC/Server
Memory form factorDiffers	240-pin DIMM	288-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	6	15
Memory clock speedDiffers	800 MHz	2133 MHz
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory rankingDiffers	2	1
Product colourKnown for one	Green	Unknown — not stated by the source
Memory voltageKnown for one	Unknown — not stated by the source	1.2 V
Softwareidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac 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.