Hardware Spec Index

Caldera CS-1903 Ultra Micro-ATX tower Case

PC Cases · Caldera · SKU CS1903-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index876 (PC Cases scale)
Category rank#12,669
Street price$59
Performance per dollar14.85
Released2026

Specifications

BrandCaldera
ModelCaldera CS-1903 Ultra
TypeMicro-ATX tower
Motherboard supportMicro-ATX, Mini-ITX
Volume33 L
Max GPU length361 mm
Max CPU cooler height160 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 panelSteel mesh
Rear-connector boardsSupported

Related guides

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

Similar PC Cases

ModelBenchmarkPriceCompare
Caldera CS-2308 Plus E-ATX full tower Case2,112$239Compare
Corvane CS-4796 SE ATX mid tower Case1,180$89Compare
Brontix CS-6019 Ultra Mini-ITX small form factor Case926$69Compare
Corvane CS-5908 Edge ATX mid tower Case1,621$129Compare
Caldera CS-6210 Core ATX mid tower Case2,091$199Compare
Solvane CS-7014 SE ATX mid tower Case2,037$239Compare

All PC Cases · JSON

Cite this page: Hardware Spec Index, “Caldera CS-1903 Ultra Micro-ATX tower Case”, https://vextor7.com/item/2240385 (accessed 2026-10-20).