Hardware Spec Index

Brontix CS-3691 Ultra ATX mid tower Case

PC Cases · Brontix · SKU CS3691-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,785 (PC Cases scale)
Category rank#27,887
Street price$149
Performance per dollar11.98
Released2021

Specifications

BrandBrontix
ModelBrontix CS-3691 Ultra
TypeATX mid tower
Motherboard supportATX, Micro-ATX, Mini-ITX
Volume52 L
Max GPU length400 mm
Max CPU cooler height170 mm
Radiator supportTop 360 mm, front 360/420 mm, rear 120 mm
Fans included3× 120 mm
Front I/O1× USB 3.2 Gen 2 Type-C, 2× USB 3.0, audio
PSU supportATX (up to 220 mm)
Side panelTempered glass
Rear-connector boardsNot supported

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Cite this page: Hardware Spec Index, “Brontix CS-3691 Ultra ATX mid tower Case”, https://vextor7.com/item/5569799 (accessed 2026-10-20).