RARE Slim iMac 21.5” i5 16GB RAM SSD 512GB running fast latest MacOS 2025 & Win

This iMac 21.5” is Late 2012 Model but runs fast both latest MacOS 2025 Sequoia 15.3 and Windows 11 Pro thanks to its 16GB RAM and SSD 512Gb drive which are RARE for this model!
Specs:
21.5-inch (diagonal) LED-backlit display with IPS technology, 1920‑by‑1080 resolution with support for millions of colors
2.9GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.6GHz) with 6MB L3 cache
16GB RAM
SSD 512GB
Running DUAL OS:
1)  Latest MacOS 2025 Sequoia 15.3, Ms Office Logic X Pro 
2) Windows 11 Pro & Adobe Apps
Included brand new non-Apple wired combo keyboard & mouse.