Product comparison · 2 memory modules

HP 8GB DDR4-2133 SO-DIMM vs HP 4GB (1x4GB) DDR4-2400 ECC Reg RAM

Key differences

Internal memory
- 8GB DDR4-2133 SO-DIMM:8 GB
- 4GB (1x4GB) DDR4-2400 ECC Reg RAM:4 GB
Memory layout (modules x size)
- 8GB DDR4-2133 SO-DIMM:1 x 8 GB
- 4GB (1x4GB) DDR4-2400 ECC Reg RAM:1 x 4 GB
Component for
- 8GB DDR4-2133 SO-DIMM:Laptop
- 4GB (1x4GB) DDR4-2400 ECC Reg RAM:PC/Server
Memory form factor
- 8GB DDR4-2133 SO-DIMM:260-pin SO-DIMM
- 4GB (1x4GB) DDR4-2400 ECC Reg RAM:288-pin DIMM
Memory clock speed
- 8GB DDR4-2133 SO-DIMM:2133 MHz
- 4GB (1x4GB) DDR4-2400 ECC Reg RAM:2400 MHz

Differences highlightedShow differences only

Comparison of 8GB DDR4-2133 SO-DIMM, T9V38AA
9 specifications	A HP 8GB DDR4-2133 SO-DIMM View product	B HP 4GB (1x4GB) DDR4-2400 ECC Reg RAM Model T9V38AA View product
Features5 differ
Internal memoryDiffers	8 GB	4 GB
Memory layout (modules x size)Differs	1 x 8 GB	1 x 4 GB
Internal memory type	DDR4	DDR4
Component forDiffers	Laptop	PC/Server
Memory form factorDiffers	260-pin SO-DIMM	288-pin DIMM
ECC	Yes	Yes
Memory clock speedDiffers	2133 MHz	2400 MHz
Memory voltageKnown for one	1.2 V	Unknown — not stated by the source
Buffered memory typeKnown for one	Unknown — not stated by the source	Registered (buffered)

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.