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
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA	Serial ATA
Type	HDD	HDD
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
Internal	No	No
Mac compatibility	Yes	Yes
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.