Hardware Spec Index

Caldera CS-5521 Ultra Micro-ATX tower Case

PC Cases · Caldera · SKU CS5521-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index641 (PC Cases scale)
Category rank#17,164
Street price$39
Performance per dollar16.44
Released2024

Specifications

BrandCaldera
ModelCaldera CS-5521 Ultra
TypeMicro-ATX tower
Motherboard supportMicro-ATX, Mini-ITX
Volume32 L
Max GPU length363 mm
Max CPU cooler height160 mm
Radiator supportTop 360 mm, front 360/420 mm, rear 120 mm
Fans included3× 140 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-5521 Ultra Micro-ATX tower Case”, https://vextor7.com/item/1375320 (accessed 2026-10-23).