Western Digital Blue 1TB Mobile Hard Drive, SATA III w/ 128MB Cache

MX70494 Blue 1TB Mobile Hard Drive, SATA III w/ 128MB Cache
MX70494 Blue 1TB Mobile Hard Drive, SATA III w/ 128MB Cache MX70494 Blue 1TB Mobile Hard Drive, SATA III w/ 128MB Cache

Product Info

For Everyday Computing While On The Go

Built to WD’s high standards of quality and reliability, WD Blue mobile hard drives offer the features that are ideal for your everyday mobile computing needs.

  • A Modern Classic
    Designed and manufactured with technology found in WD’s original award-winning desktop and mobile hard drives
  • Every Drive Has a Purpose
    Available in a broad range of entry-level capacities, cache sizes, form factors and interfaces
  • Tested in Our Lab for Compatibility
    We test hundreds of systems, configurations, and a multitude of platforms to give customers confidence in our drives


As Much Storage As Possible For Your Laptop

With the highest possible aerial density inside the thinnest space, the WD Blue mobile hard drives add as much capacity as possible to your laptop PC.

State of the Art Design

Designed with strong aluminum materials and a hard Tied-Shaft motor, which increases drive pinch strength as much as 30 percent. These features allow for a more rigid structure without degrading performance or increasing power consumption.

Recommended Uses

WD Blue storage is tested and recommended for use in notebooks, external enclosures and certain industrial applications.

Easy Backup and Upgrade

Acronis True Image WD Edition software, available as a free download, can clone drives and backup your operating system, applications, settings and all of your data.

The WD Advantage

WD puts our products through extensive Functional Integrity Testing (F.I.T.) prior to any product launch to ensure quality and reliability.




Model WD10SPZX
Formatted Capacity 1TB1 / 1,000,204 MB
Interface SATA 6 Gb/s
Rotational Speed 5,400
Buffer Size 128 MB
Load / Unload 600,000 Cycles
Read Errors Less than one non-recoverable bit per 1014 bits read
Acoustics Idle: 19dBA
Seek Mode: 21dBA
Temperature Operating: 0 ~ 60° C
Non-Operating: -40 ~ 65° C
Maximum Power 5Vdc Up to 1.0A, 5W Maximum
Typical Power Read / Write: 1.5W
Idle: 0.59W
Standby / Sleep: 0.18W
Dimensions & Weight  
Dimensions 7.0 x 100.2 x 69.9mm
Weight 120g
  1. As used for storage capacity, one megabyte (MB) = one million bytes, one gigabyte (GB) = one billion bytes, and one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment.