Hardware Spec Index

Caldera CS-6991 Ultra Micro-ATX tower Case

PC Cases · Caldera · SKU CS6991-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index618 (PC Cases scale)
Category rank#33,495
Street price$49
Performance per dollar12.61
Released2019

Specifications

BrandCaldera
ModelCaldera CS-6991 Ultra
TypeMicro-ATX tower
Motherboard supportMicro-ATX, Mini-ITX
Volume34 L
Max GPU length361 mm
Max CPU cooler height160 mm
Radiator supportTop 360 mm, front 360/420 mm, rear 120 mm
Fans included3× 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-6991 Ultra Micro-ATX tower Case”, https://vextor7.com/item/84554365 (accessed 2026-10-25).