Hardware Spec Index

Brontix CS-9903 Ultra ATX mid tower Case

PC Cases · Brontix · SKU CS9903-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index1,268 (PC Cases scale)
Category rank#3,883
Street price$99
Performance per dollar12.81
Released2020

Specifications

BrandBrontix
ModelBrontix CS-9903 Ultra
TypeATX mid tower
Motherboard supportATX, Micro-ATX, Mini-ITX
Volume50 L
Max GPU length407 mm
Max CPU cooler height170 mm
Radiator supportTop 360 mm, front 360/420 mm, rear 120 mm
Fans included4× 120 mm
Front I/O1× USB 3.2 Gen 2 Type-C, 2× USB 3.0, audio
PSU supportATX (up to 220 mm)
Side panelSteel mesh
Rear-connector boardsNot supported

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Cite this page: Hardware Spec Index, “Brontix CS-9903 Ultra ATX mid tower Case”, https://vextor7.com/item/4737779 (accessed 2026-10-23).