Refurbished Apple iMac 27" Core i5-2400 Quad-Core 3.1GHz (Mid 2011)macOS High Sierra -12 Month warranty

Refurbished Apple iMac 27" Core i5-2400 Quad-Core 3.1GHz All-in-One Computer - 4GB 500GB OSX (Mid 2011)-12 Month warranty
General Features:
Super thin profile
Aluminum design
macOS High Sierra
Intel Core i5-2400 Quad-Core 3.1GHz processor
3.4 GHz Max Turbo Frequency
6 MB Intel Smart Cache, 5 GT/s DMI
4 GB DDR3 RAM (supports up to 16 GB)
500GB SATA hard drive
Slot-loading 8x DVD±RW DL SuperDrive
AMD Radeon HD 6970M with 1GB of GDDR5 memory
Built-in stereo speakers with 17-watt digital amplifier
10/100/1000BASE-T Gigabit Ethernet
AirPort Extreme (802.11n)
Bluetooth 2.1+EDR (Enhanced Data Rate) module
FaceTime HD camera with microphone
SDXC card slot
Built-in 27-inch glossy LED-Backlit widescreen TFT active matrix LCD display (2560 x 1440) with IPS technology
I/O Ports:
Four (4) USB 2.0 ports
One (1) FireWire 800 port
Two (2) Thunderbolt port
One (1) RJ-45 Ethernet port
Optical digital audio output/headphone out
Optical digital audio input/audio line in
Power Specifications:
100 - 240V, 50/60Hz, 4.0A
Unit Dimensions:
20.4 x 25.6 x 8.1-inches (H x W x D)
Weight: 30.5 pounds