Hardware Spec Index

Caldera CS-9021 Ultra ATX dual-chamber mid tower Case

PC Cases · Caldera · SKU CS9021-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index2,246 (PC Cases scale)
Category rank#43,465
Street price$319
Performance per dollar7.04
Released2020

Specifications

BrandCaldera
ModelCaldera CS-9021 Ultra
TypeATX dual-chamber mid tower
Motherboard supportE-ATX (≤ 277 mm), ATX, Micro-ATX, Mini-ITX
Volume64 L
Max GPU length439 mm
Max CPU cooler height180 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, “Caldera CS-9021 Ultra ATX dual-chamber mid tower Case”, https://vextor7.com/item/4010970 (accessed 2026-10-22).