Hardware Spec Index

Caldera CS-6657 Ultra E-ATX full tower Case

PC Cases · Caldera · SKU CS6657-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index2,160 (PC Cases scale)
Category rank#45,962
Street price$279
Performance per dollar7.74
Released2025

Specifications

BrandCaldera
ModelCaldera CS-6657 Ultra
TypeE-ATX full tower
Motherboard supportE-ATX, ATX, Micro-ATX, Mini-ITX
Volume84 L
Max GPU length469 mm
Max CPU cooler height190 mm
Radiator supportTop 360 mm, front 360/420 mm, rear 120 mm
Fans included3× 140 mm
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 boardsSupported

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Cite this page: Hardware Spec Index, “Caldera CS-6657 Ultra E-ATX full tower Case”, https://vextor7.com/item/11655408 (accessed 2026-10-19).