Product comparison · 2 memory modules

Lenovo 4X71T17938 memory module vs Lenovo 4X77B09789 memory module

Key differences

Internal memory
- 4X71T17938 memory module:16 GB
- 4X77B09789 memory module:32 GB
Memory layout (modules x size)
- 4X71T17938 memory module:1 x 16 GB
- 4X77B09789 memory module:1 x 32 GB
Memory clock speed
- 4X71T17938 memory module:5600 MHz
- 4X77B09789 memory module:6400 MHz
Buffered memory type
- 4X71T17938 memory module:Unregistered (unbuffered)
- 4X77B09789 memory module:Registered (buffered)

Differences highlightedShow differences only

Comparison of 4X71T17938, 4X77B09789
19 specifications	A Lenovo 4X71T17938 memory module Model 4X71T17938 View product	B Lenovo 4X77B09789 memory module Model 4X77B09789 View product
Features4 differ
Internal memoryDiffers	16 GB	32 GB
Memory layout (modules x size)Differs	1 x 16 GB	1 x 32 GB
Internal memory type	DDR5	DDR5
Component for	PC/Server	PC/Server
Memory form factor	288-pin DIMM	288-pin DIMM
ECCKnown for one	Yes	Unknown — not stated by the source
Memory clock speedDiffers	5600 MHz	6400 MHz
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 95 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	69.6 mm	Unknown — not stated by the source
DepthKnown for one	1.2 mm	Unknown — not stated by the source
HeightKnown for one	30 mm	Unknown — not stated by the source
WeightKnown for one	15 g	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	157 mm	Unknown — not stated by the source
Package depthKnown for one	58 mm	Unknown — not stated by the source
Package heightKnown for one	17 mm	Unknown — not stated by the source
Package weightKnown for one	35 g	Unknown — not stated by the source
Package typeKnown for one	Box	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.