Apple iMac 21.5" A1311 i5 2.7GHz 
 
Technical Specs:
 
2.5GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache
2.7GHz quad-core Intel Core i5 with 6MB on-chip shared L3 cache
2.5 GHz
AMD Radeon HD 6750M graphics processor with 512MB of GDDR5 memory
2.7 GHz
AMD Radeon HD 6770M graphics processor with 512MB of GDDR5 memory
Built-in "FaceTime HD" video camera
21.5-inch (viewable) LED-backlit glossy widescreen TFT display with support for millions of colors
Resolution: 1920 by 1080 pixels
One Thunderbolt port
Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately)
One FireWire 800 port; 7 watts
Four USB 2.0 ports
SDXC card slot
Slot-loading 8x SuperDrive with 4x double-layer burning (DVD±R DL/DVD±RW/CD-RW)
Audio in/out
10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
IR receiver
Ram options: 4GB, 8GB, 16GB
HDD options: 500GB, 1TB
MacOS: High Sierra (10.13)
Model: A1311
 
Whats in the box?
Power Cable
Generic Wireless Keyboard & Mouse included as standard
(AAA batteries included)
Generic Box
Secure packaging to protect the device in transit