Hardware Spec Index

Brontix CS-3121 Prime E-ATX full tower Case

PC Cases · Brontix · SKU CS3121-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index2,600 (PC Cases scale)
Category rank#26,626
Street price$349
Performance per dollar7.45
Released2021

Specifications

BrandBrontix
ModelBrontix CS-3121 Prime
TypeE-ATX full tower
Motherboard supportE-ATX, ATX, Micro-ATX, Mini-ITX
Volume85 L
Max GPU length461 mm
Max CPU cooler height190 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

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsChoosing a GPU for 4K Gaming

Similar PC Cases

ModelBenchmarkPriceCompare
Corvane CS-6996 Plus Mini-ITX small form factor Case659$49Compare
Corvane CS-3962 Max ATX dual-chamber mid tower Case1,771$169Compare
Brontix CS-3239 Ultra E-ATX full tower Case2,097$249Compare
Brontix CS-4050 Core ATX dual-chamber mid tower Case2,369$329Compare
Caldera CS-6666 Ultra Mini-ITX small form factor Case788$49Compare
Caldera CS-6998 Ultra ATX dual-chamber mid tower Case1,698$169Compare

All PC Cases · JSON

Cite this page: Hardware Spec Index, “Brontix CS-3121 Prime E-ATX full tower Case”, https://vextor7.com/item/74896882 (accessed 2026-10-22).