This item is for one Western Digital WD400VE-75HDT1 HCNTJBNBN (WXE6) Thailand 40gb 2.5" IDE hard drive 26JUL2006. This drive and all of our drives are professionally tested and cleaned on a DOD certified machine at Oem level. We do not use software for this process! Once they have passed our Quality control they are 100% in perfect working condition!