https://www.fractal-design.com/products/cases/define/define-nano-s-window/Black/

3.5" HDD/2.5" SSD positions 2 2.5" dedicated SSD unit positions 2 (fits SSDs up to 13 mm thick) Expansion slots 2 Front ports 2x USB 3.0, Audio in/out, Power button with LED (blue), HDD activity LED (blue), Reset button Total fan mounts 6 Front fan 2x 120/140 mm (included is 1 Fractal Design Dynamic GP-14 fan @ 1000 RPM) Top fan 2x 120/140 mm Rear fan 1x 120 mm (included is 1 Fractal Design Dynamic GP-12 fan @ 1200 RPM) Bottom fan 1x 120 mm Dust filters Front fans, Bottom fans (ejects from the front of the case) Cable routing grommets Yes Fixed velcro straps Yes Captive thumbscrews Both side panels, rear HDD/SSD brackets Left side panel Clear transparent window Right side panel Industrial sound-dampened steel