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iMac 21.5 3.4 Ghz i5 10.13 8 GB Ram, 500 GB HD SSD - $125 (Woodland Hills)
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3.4 Ghz i5
8 GB Ram
500 GB HD SSD
Ser# DHXKJ10BFC6M
Late 2012 imac13,1 A1418
Clean Install 10.15.7 Catalina
Wired Extended Keyboard & Bluetooth Mouse and Powercord
Small cosmetic chip in display glass has not effect on usage
Specs: https://everymac.com/systems/apple/imac/specs/imac-core-i7-3.1-21-inch-aluminum-late-2012-specs.html
Manual: http://web.archive.org/web/20130123183510/https://manuals.info.apple.com/en_US/imac_late2012_quickstart.pdf
The iMac "Core i7" 3.1 21.5-Inch Aluminum (Late 2012) technically is a "configure-to-order" configuration of the iMac "Core i5" 2.9 21.5-Inch Aluminum (Late 2012), but also is documented as a separate model for reader convenience. Other than processor (and the corresponding level 3 cache), these two models are identical. The iMac "Core i7" 3.1 21.5-Inch Aluminum (Late 2012) features a 22 nm Quad Core 3.1 GHz Intel "Core i7" I7-3770S (Ivy Bridge) processor with four independent processor cores on a single chip, an 8 MB shared level 3 cache, 8 GB of 1600 MHz DDR3 SDRAM (which is not intended to be upgraded after purchase), a 1 TB (5400 RPM) hard drive, and a NVIDIA GeForce GT 650M graphics processor with 512 MB of dedicated GDDR5 memory. It also has a built-in "FaceTime HD" webcam and stereo speakers, but lacks an optical drive. This model has a 21.5" 1920x1080 LED-backlit 16:9 widescreen IPS display with the "cover glass fully laminated to the LCD and 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 ports, Gigabit Ethernet, 802.11n, and Bluetooth 4.0. In addition to a thinner case design, the "Late 2012" iMac models have faster processors, faster architectures, faster RAM (although it cannot be upgraded easily in the 21.5-Inch models), faster graphics, as well as different connectivity than the "Mid-2011" iMac line replaced.