Apple iMac Late 2013 27'' I7

Late 2013 27'' iMac, Fully spec'd model -

This iMAC can be upgraded and kitted out with an M1, M2 chip etc. and an SSD to make it even more powerful and up-to-date. (Unofficially, as regards the chip, but can be looked up)

Gorgeous monitor LED-backlit display with IPS technology; 2560-by-1440 resolution with support for millions of colours

Processor 3.5GHz quad-core Intel Core i7 (Turbo Boost up to 3.9GHz). with 8MB L3 cache

32GB installed of 1600MHz DDR3 memory; four user-accessible SO-DIMM slots

3TB Fusion Drive

Graphics Card is a 3.4GHz NVIDIA GeForce GTX 780M with 4GB of GDDR5 memory

FaceTime HD camera
Simultaneously supports full native resolution on the built-in display and up to a 30-inch display (2560 by 1600 pixels) on an external display

Support for extended desktop and video mirroring modes
Support for Target Display Mode via the Thunderbolt port using a Thunderbolt to Thunderbolt cable (sold separately)

No mouse included, and can include an old Apple wired keyboard, but you'd have to repair some of the stuck keys, as they can be a pain in the rump.

In Excellent condition overall, a few scratches/notches at corners, but nothing major and no cracks or scratches on the display, which Is the main thing.

Great sounding, loud, stereo speakers
Dual microphones
Headphone port
Headphone/optical digital audio output (minijack)
Support for Apple iPhone headset with microphone

Ports are SDXC card slot
Four USB 3 ports (compatible with USB 2)
Two Thunderbolt ports
Mini DisplayPort output with support for DVI, VGA, and dual-link DVI (adapters sold separately)
10/100/1000BASE-T Gigabit Ethernet (RJ-45 connector)
Kensington lock slot

Great iMac/home computer still today with OS X Catalina installed.