Hardware Spec Index

Caldera CS-6638 Ultra Micro-ATX tower Case

PC Cases · Caldera · SKU CS6638-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index988 (PC Cases scale)
Category rank#31,973
Street price$79
Performance per dollar12.51
Released2022

Specifications

BrandCaldera
ModelCaldera CS-6638 Ultra
TypeMicro-ATX tower
Motherboard supportMicro-ATX, Mini-ITX
Volume33 L
Max GPU length364 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 2 Type-C, 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 Micro-ATX tower Case”, https://vextor7.com/item/72044188 (accessed 2026-10-19).