Fujitsu ESPRIMO P420 E85+ - micro tower - Core i5 4460 3.2 GHz - 4 GB - HDD 500 GB - UK

OS Provided - Microsoft Windows 7 Professional 64-bit Edition / Windows 8.1 Pro - pre-installed: Windows 7 Processor - 1 x Intel Core i5 (4th Gen) 4460 / 3.2 GHz ( 3.4 GHz ) ( Quad-Core ) RAM - 4 GB (installed) / 16 GB (max) - DDR3 SDRAM - non-ECC - 1600 MHz - PC3-12800 Hard Drive - 1 x 500 GB - SATA 6Gb/s Cache Memory - 6 MB L3 Cache