What are the physical dimensions and weight of the UnionSine 2513, and is it truly portable for on-the-go use?

The UnionSine 2513 has a form factor of 2.5 inches and weighs 0.26 kg, making it portable for on-the-go use.

Is the UnionSine 2513 external hard drive backward compatible with USB 2.0 ports, and if so, how does it affect transfer speeds?

Yes, the UnionSine 2513 external hard drive is compatible with USB 2.0 ports, but using USB 2.0 will not provide the ultra-fast transfer speeds that USB 3.0 offers.

Questions & Answers: UnionSine 2513 2TB Ultra Slim Portable External Hard Drive USB3.0 HDD Storage Compatible for PC, Desktop, Laptop, Xbox One, Xbox one, PS4(Black) 2TB

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UnionSine 2513 2TB Ultra Slim Portable External Hard Drive USB3.0 HDD Storage Compatible for PC, Desktop, Laptop, Xbox One, Xbox one, PS4(Black) 2TB

Upgrade Version - Ultra thin, only 0.42 inch; Brushed surface
Compatible system: Windows / Mac / Linux / Android
Compatible Equipment:PC/Laptop/PS4/Xbox/TV.For PS4, Xbox, please purchase products with a capacity of 250GB or more
Plug and Play - With no software to install, just plug it in and the drive is ready to use
Ultra-Fast Data Transfers - Works with USB 3.0 and USB 2.0 ports to provide ultra-fast transfer speeds
Package:1 x Portable Hard Drive, 1 x USB 3.0 Cable, 1 x User Manual ,3 Year Manufacturer's Warranty.

$68^.05 –