Western Digital WD Elements 1TB desktop external hard drive, black.Model / MPN: WDBAAU0010HBK-01Tested on a Mac: drive was recognized, formatted successfully, and a file was copied onto the drive and opened successfully. Basic read/write testing only; no extended diagnostic testing performed.Formatted as exFAT for use with Mac and Windows.Used condition with scratches, scuffs, and wear on the enclosure and rubber feet. Please review photos for condition.Includes hard drive, USB cable, and power adapter. No original box or manual.