Hardware Spec Index

Caldera CS-6638 Ultra ATX mid tower Case

PC Cases · Caldera · SKU CS6638-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index1,853 (PC Cases scale)
Category rank#24,853
Street price$159
Performance per dollar11.65
Released2026

Specifications

BrandCaldera
ModelCaldera CS-6638 Ultra
TypeATX mid tower
Motherboard supportATX, Micro-ATX, Mini-ITX
Volume53 L
Max GPU length423 mm
Max CPU cooler height175 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 boardsNot supported

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Cite this page: Hardware Spec Index, “Caldera CS-6638 Ultra ATX mid tower Case”, https://vextor7.com/item/32949619 (accessed 2026-10-20).