Product comparison · 2 external hard drives

Lenovo GXB0Q25512 external hard drive vs Lenovo GXB0Z91295 external hard drive

17specifications compared
12differ
5identical
10known for one product only

Key differences

HDD capacity
- GXB0Q25512 external hard drive:1 TB
- GXB0Z91295 external hard drive:4 TB
USB version
- GXB0Q25512 external hard drive:3.2 Gen 2 (3.1 Gen 2)
- GXB0Z91295 external hard drive:3.2 Gen 1 (3.1 Gen 1)
Product colour
- GXB0Q25512 external hard drive:Black
- GXB0Z91295 external hard drive:Grey
Operating temperature (T-T)
- GXB0Q25512 external hard drive:5 - 55 °C
- GXB0Z91295 external hard drive:0 - 40 °C
Operating relative humidity (H-H)
- GXB0Q25512 external hard drive:8 - 90%
- GXB0Z91295 external hard drive:20 - 95%
Width
- GXB0Q25512 external hard drive:126 mm
- GXB0Z91295 external hard drive:118 mm
Depth
- GXB0Q25512 external hard drive:78 mm
- GXB0Z91295 external hard drive:76 mm
Height
- GXB0Q25512 external hard drive:14 mm
- GXB0Z91295 external hard drive:18.6 mm

Side by side

Differences highlightedShow differences only

Comparison of GXB0Q25512, GXB0Z91295
27 specifications	A Lenovo GXB0Q25512 external hard drive Model GXB0Q25512 View product	B Lenovo GXB0Z91295 external hard drive Model GXB0Z91295 View product
Hard drive1 differ
HDD capacityDiffers	1 TB	4 TB
Read speedKnown for one	Unknown — not stated by the source	140 MB/s
Write speedKnown for one	Unknown — not stated by the source	135 MB/s
Ports & interfaces1 differ
USB connector	USB Type-A	USB Type-A
USB versionDiffers	3.2 Gen 2 (3.1 Gen 2)	3.2 Gen 1 (3.1 Gen 1)
Thunderbolt technology	No	No
Wi-Fi	No	No
Ethernet LAN	No	No
Maximum data transfer rateKnown for one	Unknown — not stated by the source	140 Mbit/s
Features1 differ
Product colourDiffers	Black	Grey
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Housing materialKnown for one	Unknown — not stated by the source	Plastic
CertificationKnown for one	Unknown — not stated by the source	FCC SDOC/UL-CB/UL-CB /CEC/DOE/ICES/NRCAN/PSE /EAC/BIS
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	8 - 90%	20 - 95%
Weight & dimensions4 differ
WidthDiffers	126 mm	118 mm
DepthDiffers	78 mm	76 mm
HeightDiffers	14 mm	18.6 mm
WeightDiffers	300 g	211 g
Packaging data3 differ
Cables includedKnown for one	USB	Unknown — not stated by the source
Carrying caseKnown for one	Yes	Unknown — not stated by the source
User guideKnown for one	Yes	Unknown — not stated by the source
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Package width	190 mm	190 mm
Package depthDiffers	140 mm	117 mm
Package heightDiffers	40 mm	27 mm
Package weightDiffers	300 g	230 g

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.

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