WD Blue 250GB SATA 3.5" Desktop Hard Drive HDD 16MB Cache 7200 RPM WD2500AAKX Windows 10 Pro installed in UEFI modeThis listing is for a Western Digital (WD) Blue 250GB SATA 3.5" Desktop Hard Drive, model WD2500AAKX. Featuring a 16MB cache and 7200 RPM rotation speed, this internal HDD is ideal for upgrading or replacing storage in compatible desktop PCs. It offers reliable performance for everyday computing tasks. The drive was manufactured on November 23, 2012, in Thailand. Please ensure compatibility with your system before purchasing.If you have any questions please send a message.Copyrights and/or trademarks and/or names used belong to their respective owners and are not being sold. These are authentic Hard drives pulled from authentic computers that have been reset, parted out, upgraded etc.. as a disclaimer you are buying the hard drive not the software nor what is on the hard drive.