Hardware Spec Index

Brontix CS-3981 Ultra Mini-ITX small form factor Case

PC Cases · Brontix · SKU CS3981-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index815 (PC Cases scale)
Category rank#33,733
Street price$49
Performance per dollar16.63
Released2024

Specifications

BrandBrontix
ModelBrontix CS-3981 Ultra
TypeMini-ITX small form factor
Motherboard supportMini-ITX
Volume12 L
Max GPU length335 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-3981 Ultra Mini-ITX small form factor Case”, https://vextor7.com/item/9664856 (accessed 2026-10-20).