Hardware Spec Index

Caldera CS-3903 Ultra Mini-ITX small form factor Case

PC Cases · Caldera · SKU CS3903-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index642 (PC Cases scale)
Category rank#12,738
Street price$49
Performance per dollar13.10
Released2022

Specifications

BrandCaldera
ModelCaldera CS-3903 Ultra
TypeMini-ITX small form factor
Motherboard supportMini-ITX
Volume17 L
Max GPU length333 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 panelSteel mesh
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-9335 Ultra Mini-ITX small form factor Case942$69Compare
Corvane CS-7852 SE ATX mid tower Case1,581$149Compare
Solvane CS-3140 XT Mini-ITX small form factor Case895$59Compare
Caldera CS-9862 Ti ATX mid tower Case1,205$89Compare
Solvane CS-4340 Edge Micro-ATX tower Case1,155$99Compare
Zephyra CS-6718 Ultra Micro-ATX tower Case774$49Compare

All PC Cases · JSON

Cite this page: Hardware Spec Index, “Caldera CS-3903 Ultra Mini-ITX small form factor Case”, https://vextor7.com/item/725622 (accessed 2026-10-20).