Product comparison · 2 external hard drives

ADATA 2.5" Portable HDD vs ADATA 250GB Portable HDD

Key differences

HDD capacity
- 2.5" Portable HDD:320 GB
- 250GB Portable HDD:250 GB
Maximum data transfer rate
- 2.5" Portable HDD:4800 Mbit/s
- 250GB Portable HDD:480 Mbit/s
Product colour
- 2.5" Portable HDD:Black
- 250GB Portable HDD:Blue
Weight
- 2.5" Portable HDD:240 g
- 250GB Portable HDD:172 g
Dimensions (WxDxH)
- 2.5" Portable HDD:82 x 134 x 15.7 mm
- 250GB Portable HDD:86.8 x 30.6 x 14.5 mm

Differences highlightedShow differences only

Comparison of 2.5" Portable HDD, 250GB Portable HDD
21 specifications	A ADATA 2.5" Portable HDD View product	B ADATA 250GB Portable HDD View product
Hard drive1 differ
HDD capacityDiffers	320 GB	250 GB
Read speedKnown for one	88 MB/s	Unknown — not stated by the source
Write speedKnown for one	81 MB/s	Unknown — not stated by the source
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Ports & interfaces1 differ
Maximum data transfer rateDiffers	4800 Mbit/s	480 Mbit/s
Features1 differ
Product colourDiffers	Black	Blue
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions1 differ
WeightDiffers	240 g	172 g
Other features2 differ
Disks included quantityKnown for one	1 pc(s)	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	1	Unknown — not stated by the source
USB requiredKnown for one	Yes	Unknown — not stated by the source
Compatible operating systemsDiffers	Windows 2000/XP/Vista/7 Mac X 10.4 +	Windows 2000/XP/Vista/7 Mac x 10.4 Linux Kernal 2.4
Dimensions (WxDxH)Differs	82 x 134 x 15.7 mm	86.8 x 30.6 x 14.5 mm
MountingKnown for one	Unknown — not stated by the source	Horizontal
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1

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.