Hardware Spec Index

Caldera CS-5661 Ultra Mini-ITX small form factor Case

PC Cases · Caldera · SKU CS5661-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index590 (PC Cases scale)
Category rank#23,665
Street price$39
Performance per dollar15.13
Released2023

Specifications

BrandCaldera
ModelCaldera CS-5661 Ultra
TypeMini-ITX small form factor
Motherboard supportMini-ITX
Volume14 L
Max GPU length337 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 panelSteel mesh
Rear-connector boardsNot supported

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Cite this page: Hardware Spec Index, “Caldera CS-5661 Ultra Mini-ITX small form factor Case”, https://vextor7.com/item/4461667 (accessed 2026-10-26).