Hardware Spec Index

Brontix CS-3990 XT Mini-ITX small form factor Case

PC Cases · Brontix · SKU CS3990-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,161 (PC Cases scale)
Category rank#3,870
Street price$89
Performance per dollar13.04
Released2021

Specifications

BrandBrontix
ModelBrontix CS-3990 XT
TypeMini-ITX small form factor
Motherboard supportMini-ITX
Volume14 L
Max GPU length330 mm
Max CPU cooler height70 mm
Radiator support240 mm (side)
Fans included1× 120 mm
Front I/O1× USB 3.2 Gen 2 Type-C, 2× USB 3.0, audio
PSU supportSFX / SFX-L
Side panelSteel mesh
Rear-connector boardsNot supported

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Cite this page: Hardware Spec Index, “Brontix CS-3990 XT Mini-ITX small form factor Case”, https://vextor7.com/item/501772 (accessed 2026-10-19).