Hardware Spec Index

Brontix CS-3421 Ultra Mini-ITX small form factor Case

PC Cases · Brontix · SKU CS3421-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index558 (PC Cases scale)
Category rank#32,526
Street price$39
Performance per dollar14.31
Released2023

Specifications

BrandBrontix
ModelBrontix CS-3421 Ultra
TypeMini-ITX small form factor
Motherboard supportMini-ITX
Volume17 L
Max GPU length337 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-3421 Ultra Mini-ITX small form factor Case”, https://vextor7.com/item/1255642 (accessed 2026-10-25).