HP Factory Refurbished Workstations ship factory sealed in like new condition. These come with a 1 year HP warranty. -- Description Key -- Operating System: W10P-64 - Windows 10 Pro 64 Bit, W10P/W7P-64 - Windows 10P License downgraded to Windows 7 Pro, Processor Types: i3 - Intel Core i3, i5 - Intel Core i5, i7 - Intel Core i7, X - Intel Xeon, DC - Dual Core, QC - Quad Core, 6X - Six Core, 8X - Eight Core, Hard Drive Size and Type: GB - Gigabyte, SATA - Serial ATA, SSD - Solid State Drive, Graphics: Graphic-Less - No Video Card Installed, Form Factor: SFF - Small Form Factor, CMT - Convertable Minitower, TWR - Tower