Hardware Spec Index

Caldera CS-9021 Ultra ATX mid tower Case

PC Cases · Caldera · SKU CS9021-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index1,338 (PC Cases scale)
Category rank#11,874
Street price$109
Performance per dollar12.28
Released2023

Specifications

BrandCaldera
ModelCaldera CS-9021 Ultra
TypeATX mid tower
Motherboard supportATX, Micro-ATX, Mini-ITX
Volume54 L
Max GPU length423 mm
Max CPU cooler height175 mm
Radiator supportTop 360 mm, front 360/420 mm, rear 120 mm
Fans included4× 120 mm
Front I/O1× USB 3.2 Gen 2x2 Type-C (20Gbps), 2× USB 3.0, audio
PSU supportATX (up to 220 mm)
Side panelTempered glass
Rear-connector boardsNot supported

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Cite this page: Hardware Spec Index, “Caldera CS-9021 Ultra ATX mid tower Case”, https://vextor7.com/item/4619963 (accessed 2026-10-23).