HP ENVY 27-p021 27-Inch All-in-One Desktop (Intel Core i5-6400T, 8 GB RAM, 2 TB HDD,Windows 10 Home) Intel Core i5-6400T 2.2 GHz Processor. Windows 10 Home,150 W external AC power adapter 8GB PC3-12800 DDR3L-1600 SDRAM memory,2TB 5400RPM Serial ATA hard drive 27-Inch 2560x1440 pixel LED-lit Screen No Optical Drive, AMD Radeon R7 A365 graphics card with 4GB DDR3 dedicated memory