Features

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General
Sales Package External Solid State Drive  External Hard Drive  Portable Hard Drive, USB 3.0 Cable, Quick Install Guide  My Passport Hard Drive, USB 3.0 Cable, WD Backup, WD Secu View More...
Model Name MU-PA500B/WW  My. Book  WDBS4B0020BWT-WESN  My Passport
Type SSD  HDD  HDD  HDD
Capacity 500 GB  4 TB  2 TB  1 TB
Color Blue  Black  White  Red
System Requirements Windows 7, Mac OS X 10.9 (Mavericks), Android 4.4 (KitKatView More... Windows  Windows 7, Windows 8, Windows 8.1, Windows 10  Formatted for Windows 7, Windows 8, Windows 10, Requires  View More...
Form Factor Portable  Desktop  Portable  Portable
Wired|Wireless Wired  Wired
Cloud Backup No  Yes No 
Additional Features
Connector Type USB Type-C to A 
Data Transfer Rate Upto 540 Mbps  Up to 5 Gbps (USB 3.0)  5 GB/s  USB 2.0: 480 Mb/s, USB 3.0: 5 Gb/s
Shock Resistant Yes Yes
Backward Compatible Yes
Password Protection Yes Yes Yes
Other Features UASP Mode: Support, Security: Portable SSD Software, MultView More... Designed to Fit in the Palm, Back Up Automatically, Easy View More...
Encryption AES 256-bit Hardware Encryption  Built-in 256-bit AES Hardware Encryption with WD SecurityView More... Yes
Power Features
External Power Required No  No
Dimensions
Width 74 mm  99.06 mm  81.5 mm  37 mm
Height 57.3 mm  171.45 mm  110 mm  9.4 mm
Depth 10.5 mm  154.94 mm  13.8 mm  78.2 mm
Weight 51 g  500 g  170 g  170 g
Warranty
Warranty Summary 3 Years Limited Warranty  3 Years  3 Years Worldwide Warranty  2 Years + Additional 1 Year Extended Warranty
Warranty Service Type Carry In  Off Site Warranty  Carry In  3 Years Limited Warranty
Covered in Warranty Manufacturing Defects  Manufacturing Defects  Manufacturing Defects  Manufacturing Defects
Not Covered in Warranty Physical Damages  It does not cover cable and acc  Physical Damages  Warranty does not cover physical damage
Domestic Warranty 3 Year  3 Year  3 Year