PA5025A is smaller than a 3.5 inch SATA HDD.

toshiba THNSNC128GMDJ,toshiba THNSNC256GMDJ,
Samsung MZ-CPA0640/0A2(64GB),Samsung MZ-CPA1280/0A2(128GB) ,Samsung MZ-CPA2560/0A5(256GB)

Specifications and features:

• Not FIT 2.5 inch SATA HDD because the length of the adapter plate is bigger
• than 2.5 inch SATA HDD. Only converted to 3.5 inch SATA HDD
• No need extra power adapter and any drivers
• Compatible with both 3.3V and 5V Power
• Supports DOS, Win98/SE, 2000, Server 2003, XP, Vista, 7, Sever 2008 & Mac OS & Linux
• Dimensions: 5.19 in x 1.69 in x 0.47 in (132mm x 43mm x 12mm)
  

For USB SATA cable
1. Suitable for 2.5" SATA Hard Drive (can NOT work with 3.5" HDD hard drive)
2.USB 2.0 interface, support hot plug, plug and play, data transfer rates up to 480Mbps.
3. Backwardly compatible with USB 1.0
4. Powered via computer USB port, no external power required
5.USB Y cable supports up to 7200rpm SATA HDD or more (When lack of power, please plug the additional USB connector to the computer)
6.Portable size, easy and convenient to carry and use
7.Built in LED Light for Power Indicate : Power, Access