Hardware Spec Index

Caldera CS-3681 Ultra ATX mid tower Case

PC Cases · Caldera · SKU CS3681-ULTRA · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index950 (PC Cases scale)
Category rank#35,474
Street price$69
Performance per dollar13.77
Released2026

Specifications

BrandCaldera
ModelCaldera CS-3681 Ultra
TypeATX mid tower
Motherboard supportATX, Micro-ATX, Mini-ITX
Volume51 L
Max GPU length403 mm
Max CPU cooler height170 mm
Radiator supportTop 360 mm, front 360/420 mm, rear 120 mm
Fans includedNone
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 boardsSupported

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Cite this page: Hardware Spec Index, “Caldera CS-3681 Ultra ATX mid tower Case”, https://vextor7.com/item/6503604 (accessed 2026-10-19).