Hardware Spec Index

Caldera CS-5621 Ultra Mini-ITX small form factor Case

PC Cases · Caldera · SKU CS5621-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index527 (PC Cases scale)
Category rank#41,390
Street price$39
Performance per dollar13.51
Released2020

Specifications

BrandCaldera
ModelCaldera CS-5621 Ultra
TypeMini-ITX small form factor
Motherboard supportMini-ITX
Volume12 L
Max GPU length338 mm
Max CPU cooler height70 mm
Radiator support240 mm (side)
Fans included1× 120 mm
Front I/O1× USB 3.2 Gen 2 Type-C, 2× USB 3.0, audio
PSU supportSFX / SFX-L
Side panelTempered glass
Rear-connector boardsNot supported

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsChoosing a GPU for 1440p GamingChoosing a GPU for 4K Gaming

Similar PC Cases

ModelBenchmarkPriceCompare
Solvane CS-2233 Edge Mini-ITX small form factor Case1,009$69Compare
Brontix CS-6692 Plus Micro-ATX tower Case1,400$119Compare
Solvane CS-3725 Pro ATX dual-chamber mid tower Case2,170$239Compare
Zephyra CS-4911 SE Mini-ITX small form factor Case796$59Compare
Corvane CS-1741 Ti Micro-ATX tower Case743$59Compare
Zephyra CS-8397 Pro ATX mid tower Case1,137$99Compare

All PC Cases · JSON

Cite this page: Hardware Spec Index, “Caldera CS-5621 Ultra Mini-ITX small form factor Case”, https://vextor7.com/item/5238979 (accessed 2026-10-25).