The Define R6 Tempered Glass is a mid-tower case supporting eATX (up to 285 mm wide), ATX, mATX, and ITX motherboards. It measures 543 x 233 x 465 mm and weighs 12.4 kg. The case features six 3.5"/2.5" universal drive bays, two dedicated 2.5" bays, and one 5.25" bay. It has seven expansion slots, supports GPUs up to 440 mm, and CPU coolers up to 185 mm. Front I/O includes two USB 3.0 and two USB 2.0 ports. Three pre-installed Dynamic X2 GP-14 140 mm fans (two front, one rear) provide airflow. The side panel is tempered glass. Released in 2018, it is the successor to the Define R5.

Specifications

Supported motherboard form factors	eATX (up to 285 mm wide), ATX, mATX, ITX
Case size	Mid Tower
Dimensions (HxWxD)	543 x 233 x 465
Weight	12.4 kg
Drive bays	6x 3.5"/2.5" universal, 2x 2.5" dedicated, 1x 5.25"
Expansion slots	7
Max GPU length	440 mm
Max CPU cooler height	185 mm
Front I/O	2x USB 3.0, 2x USB 2.0
Pre-installed fans	2x Dynamic X2 GP-14 140 mm front, 1x Dynamic X2 GP-14 140 mm rear
Side panel material	Tempered Glass
Release date	2018
Release year	2018
Predecessor	Define R5