Thermaltake Versa J21 is Tempered Glass Edition Casing. This is one kind of Mid Tower case and it comes with one tempered glass window and one preinstalled 120mm fan. The new Versa J21 Tempered Glass Edition Mid-Tower chassis presents a sleek statement and provides an extraordinary thermal performance. This case features with a built-in 120mm rear fan for better ventilation, an enlarged tempered glass side panel for a direct inner system view, and a power cover for a tidy look and better cooling performance. This casing comes with Excellent airflow capabilities and it also has one built-in 120mm rear fan. To maximize cooling performance, users are able to mount the fan anywhere inside: up to (2) large 140mm fans on at the front plus (2) 140mm fans atop. The Versa J21 designed with a full-sized tempered glass panel which is held on with thumbscrews in each corner. The glass panels are made to be durable and show less wear and tear than traditional acrylic panels. In this case, The included fully modular 3.5�/2.5� -compatible drive brackets minimize the hassles of installation and removal and users are able to freely interchange the hard drives. The HDD cage behind the PSU cover allows for position adjustment according to the PSU length. The Thermaltake Versa J21 is equipped with a full-length PSU cover with a vent hole design to hide those unsightly cables from view and give your build a sleek and tidy look. The Versa J21 TG Edition case has the capability to deliver excellent cooling efficiency and house advanced AIO liquid cooling components and also it supports all types of AIO liquid cooling solutions and the capability to carry up to a 360mm AIO liquid cooler. And also it supports 6.7� x 6.7� (Mini ITX), 9.6� x 9.6� (Micro ATX), 12� x 9.6� (ATX) motherboards. The Latest Thermaltake Versa J21 Tempered Glass Edition case has no warranty.