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Imac ( 21.5", Late 2015 ) Model A1418 ( EMC 2889 ) - $40 (Watertown)
501 Hunter Oaks Boulevard near West Ave
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This model has a 21.5" 1920x1080 LED-backlit 16:9 widescreen IPS display with a fully laminated glass cover and an anti-reflective coating. 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.
This model is powered by a 14 nm, 64-bit "Fifth Generation" Intel Mobile Core i5 "Broadwell" (I5-5250U) processor which includes two independent processor "cores" on a single silicon chip. Each core has a dedicated 256k level 2 cache, shares 3 MB of level 3 cache, and has an integrated memory controller (dual channel).
This system also supports "Turbo Boost 2.0" -- which "automatically increases the speed of the active cores" to improve performance when needed (up to 2.7 GHz for this model) -- and "Hyper Threading" -- which enables two hardware processor cores and four "threads" for software multitasking.
Generic Keyboard, Mouse, and Power Cord included. I have many of these units, and need to liquidate!