Apple iMac 21.5" (Late 2015) 1.6gHz i5, 500 GB SSD, 8GB, OSX High Sierra Fresh install, *Used READ CAREFULLY !!!* Order Number: MK142LL/A Model Number: A1418 Machine ID: iMac16,1 EMC: 2889 Processor: 1.6gHz Intel Core i5-5250U *Broadwell" Processor Turbo Boost: Up to 2.7Ghz Number of Processors: 1 Number of Cores: 2 Cache: 3 MB L3 cache Architecture: 64 Bit System Bus: Intel Direct Media Interface (DMI) at 5 GT/s Optical Drive: None RAM Memory: 8GB (2x4GB) PC3-14900 (1867 MHz) LPDDR3 SO-DIMM, 2 Slots, 16GB Maximum (Not user changeable) Hard Drive: 500 GB SSD NEW. Graphics: Intel HD Graphics 6000 w/ up to 1.5 GB shared from main memory. Resolutions: 1920 x 1080 pixels Display Modes: Dual display extended, video mirroring, and AirPlay Mirroring Display Connection: Thunderbolt digital video output Display Support: Support for up to two Thunderbolt displays Display: 21.5-inch (diagonal) LED-backlit display with IPS technology External Resolution: Up to 3840 by 2160 pixels Camera: FaceTime HD camera Ethernet: 10/100/1000BASE-T (RJ-45) USB: 4 - up to 5 Gbps WiFi: 802.11ac Bluetooth: Bluetooth 4.0 Thunderbolt: 2 - Thunderbolt 2 (up to 20 Gbps) Slots: 1 - Secure Digital (SDXC) Audio In: Dual microphones Audio Out: 1 - 3.5-mm analog/optical combo output jack, Built-in speakers Security Slot: 1 - Kensington cable lock Hard Drive Interface: 6.0 Gbps Serial ATA (SATA) Operating System: MacOS X 10.13.1 (High Sierra). No discs included. Accessories: Apple Aluminum wireless keyboard, wireless mouse magic mouse2 and power cord. Logitech Trackpad T561 Condition. Please Read: There is a heavy chipped area in the black bezel (left side) with a hairline running down left side viewing area (see photo) This is barely visible. The rest of the machine is in good condition, with only light scratches. It's working great. Passes all Tech Tool Pro Diagnostic Tests. Offered "As-Is"