Hardware Spec Index

Brontix CS-3991 Pro Mini-ITX small form factor Case

PC Cases · Brontix · SKU CS3991-PRO · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index956 (PC Cases scale)
Category rank#6,655
Street price$69
Performance per dollar13.86
Released2023

Specifications

BrandBrontix
ModelBrontix CS-3991 Pro
TypeMini-ITX small form factor
Motherboard supportMini-ITX
Volume14 L
Max GPU length336 mm
Max CPU cooler height70 mm
Radiator support240 mm (side)
Fans included1× 120 mm
Front I/O1× USB 3.2 Gen 2x2 Type-C (20Gbps), 2× USB 3.0, audio
PSU supportSFX / SFX-L
Side panelTempered glass
Rear-connector boardsNot supported

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Cite this page: Hardware Spec Index, “Brontix CS-3991 Pro Mini-ITX small form factor Case”, https://vextor7.com/item/91491623 (accessed 2026-10-24).