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Adata SD700 USB 3.1 256GB
vs.
Seagate Expansion Portable Drive 2TB + 7
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Adata SD700 USB 3.1 256GB
£41.31
£54.99 Incl. delivery
Seagate Expansion Portable Drive 2TB
3.4
£54.99
Free delivery
Seagate Backup Plus Desktop Hub USB 3.0 8TB
3.4
£127.32
Free delivery
Seagate Backup Plus Desktop Hub USB 3.0 6TB
4.4
£105.50
£108.98 Incl. delivery
WD Black D10 Game Drive for Xbox One 12TB
£268.00
£272.53 Incl. delivery
Seagate Expansion Portable Drive 4TB
4.4
£82.99
Free delivery
WD My Passport V3 USB 3.0 4TB
£86.48
£91.95 Incl. delivery
Seagate Expansion Portable Drive 1TB
3.8
£39.99
Free delivery
Seagate Expansion Desktop Drive 8TB
4
£130.83
£131.71 Incl. delivery
Communication
Ethernet connection
No
No
No
No
No
No
No
No
Wireless connection
None
None
None
None
None
None
None
None
Connectors
eSATA
No
No
No
No
No
No
No
No
Firewire
No
No
No
No
No
No
No
No
Thunderbolt
No
No
No
No
No
No
No
No
USB
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Type of USB connector
Micro-USB, USB (Type C)
Micro-USB, USB (Type A), USB (Type C)
Micro-USB, USB (Type A)
USB (Type A)
Micro-USB
Micro-USB, USB (Type A)
Micro-USB
Micro-USB, USB (Type A)
Micro-USB
USB version
2.0
3 (Gen 1)
3 (Gen 1)
3 (Gen 1)
3 (Gen 1)
3 (Gen 1)
3 (Gen 1)
3 (Gen 1)
3 (Gen 1)
Design
Available colours
Black, Yellow, Green
Black, Blue, Red
Black
Black
Black
Black, Red
Black, White, Blue, Red
Black
Black
Dimensions
Dimensions (WxHxD)
Depth
83.5 mm
117 mm
198 mm
41 mm
195 mm
117 mm
107.2 mm
117 mm
36.6 mm
Height
13.9 mm
14.8 mm
41 mm
118 mm
44 mm
20.9 mm
19.15 mm
14.8 mm
120.6 mm
Width
83.5 mm
80 mm
118 mm
198 mm
125 mm
80 mm
75 mm
80 mm
176 mm
Form factor
2.5 inches
2.5 inches
3.5 inches
3.5 inches
3.5 inches
2.5 inches
2.5 inches
2.5 inches
3.5 inches
Product weight
100 g
170 g
1060 g
1060 g
980 g
236 g
210 g
170 g
950 g
Features
Features
Display
Built-in support for encryption
General
Cache size
128 MB
RAID
No
No
No
No
No
No
No
No
Power supply
Power management
USB
USB
Mains
Mains
Mains
USB
USB
USB
Mains
Storage
Number of hard drives
1
1
1
1
1
1
1
1
Rotational speed
5400 RPM
5900 RPM
7200 RPM
7200 RPM
5400 RPM
5400 RPM
5700 RPM
Storage capacity
0.26 TB
2 TB
8 TB
6 TB
12 TB
4 TB
4 TB
1 TB
8 TB
Price/TB
157.69 £/TB
27.5 £/TB
15.88 £/TB
17.67 £/TB
22.33 £/TB
20.75 £/TB
21.5 £/TB
40 £/TB
16.38 £/TB