Hardware Spec Index

Caldera CS-6640 Ultra Mini-ITX small form factor Case

PC Cases · Caldera · SKU CS6640-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index1,110 (PC Cases scale)
Category rank#662
Street price$89
Performance per dollar12.47
Released2019

Specifications

BrandCaldera
ModelCaldera CS-6640 Ultra
TypeMini-ITX small form factor
Motherboard supportMini-ITX
Volume17 L
Max GPU length330 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 panelSteel mesh
Rear-connector boardsNot supported

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Cite this page: Hardware Spec Index, “Caldera CS-6640 Ultra Mini-ITX small form factor Case”, https://vextor7.com/item/753327 (accessed 2026-10-25).