Hardware Spec Index

Caldera CS-8640 Ultra Mini-ITX small form factor Case

PC Cases · Caldera · SKU CS8640-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index498 (PC Cases scale)
Category rank#3,815
Street price$39
Performance per dollar12.77
Released2021

Specifications

BrandCaldera
ModelCaldera CS-8640 Ultra
TypeMini-ITX small form factor
Motherboard supportMini-ITX
Volume13 L
Max GPU length335 mm
Max CPU cooler height70 mm
Radiator support240 mm (side)
Fans included1× 120 mm
Front I/O1× USB 3.2 Gen 2 Type-C, 2× USB 3.0, audio
PSU supportSFX / SFX-L
Side panelTempered glass
Rear-connector boardsNot supported

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Cite this page: Hardware Spec Index, “Caldera CS-8640 Ultra Mini-ITX small form factor Case”, https://vextor7.com/item/9760702 (accessed 2026-10-20).