Seagate Expansion 4TB External Hard Disk HDD USB 3.0 Portable Stkm4000400 Pc_ Conditions: NEW - New and never used product. Impeccable condition and without signs of wear. The Seagate Expansion STKM4000400 is a 4TB portable external hard drive, USB 3.0 interface, designed to easily increase the storage space of your PC and Mac. It does not require external power (uses USB power), is pre-formatted (NTFS or exFAT depending on the market) and ready for plug-and-play use. It is sturdy enough to carry with you, even if it is not a "rugged" model for extreme conditions. Some users report that performance on small-block transfers isn't great, and that speed can drop when transferring lots of small files. Portable Size: 2.5″ external drive, no external power is needed other than the USB cable Dime.
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