PRODUCT GRADING Excellent (Grade B) - Front and Rear will have very light scratches and light signs of use > Refurbished to the highest standards. ORIGINAL RETAIL BOX  WHAT IS IN THE BOX Apple IMac Mk452Ll/A 21.5-Inch Retina 4K Display Desktop (3.1 Ghz Intel Core I5 Quad-Core, 8Gb Ram, 1Tb Hdd, Mac Os X), Silver Third Party Power Cable Please Note: Keyboards and Mouse Not Included  PRODUCT DESCRIPTION The iMac \"Core i5\" 3.1 21.5-Inch Aluminum (Retina 4K, Late 2015/Broadwell) features a 14-nm \"Broadwell\" Quad Core 3.1 GHz Intel \"Core i5\" processor (5675R) with four independent processor \"cores\" on a single chip, a 4 MB shared level 3 cache, 8 GB of onboard 1867 MHz LPDDR3 SDRAM, a 1 TB (5400 RPM) hard drive, and an \"integrated\" Intel Iris Pro 6200 graphics processor that shares system memory. It also has a built-in \"FaceTime HD\" webcam and stereo speakers. This model has a 21.5\" 4096x2304 LED-backlit 16:9 widescreen IPS DCI-P3 \"Retina 4K\" display (that runs \"pixel doubled\" to look like 2048x1152). The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges. Connectivity includes four USB 3.0 ports, dual Thunderbolt 2 ports, Gigabit Ethernet, 802.11ac Wi-Fi (802.11a/b/g/n compatible), and Bluetooth 4.0. PRODUCT INFORMATION Brand - ‎Apple Product Dimensions ‎- 52.81 x 17.5 x 45.01 cm; 5.67 Kilograms Batteries ‎- 1 Lithium ion batteries required. (included) Item model number - ‎4947314 Manufacturer ‎- Apple Computer Series ‎- IMac Colour ‎- Silver Standing screen display size - ‎21.5 Inches Screen Resolution ‎- 4096 x 2304 Processor - Brand ‎Intel Processor Type ‎- Core i5 Processor Speed - 3.1 GHz Processor Count - ‎4 RAM Size ‎- 8 GB Memory Technology - ‎DDR3 Computer Memory Type ‎- DDR3 SDRAM Memory Clock Speed ‎- 1867 MHz Hard Drive Size - 1 TB Hard Disk Description ‎- Hdd Hard Drive Interface ‎- Unknown Hard Disk Rotational Speed - ‎7200.00 Graphics Coprocessor - ‎Intel Iris Pro Graphics 6200 Graphics Chipset Brand ‎- Intel Graphics Card Description ‎- Intel Iris Pro Connectivity Type - ‎Bluetooth, Wi-Fi Wireless Type ‎- Bluetooth, 802.11abg, 802.11a Rear Webcam - Resolution ‎5.4 MP Card Reader ‎- Memory Stick, SDXC Hardware - Platform ‎Mac Operating System ‎- OS X El Capitan Are Batteries Included ‎- Yes Lithium Battery Energy Content - ‎1 Watt Hours Lithium Battery Packaging ‎Batteries contained in equipment Lithium Battery Weight - ‎1 Grams Number Of Lithium Ion Cells - ‎1 Item Weight ‎- 5.67 kg