Hardware Spec Index

Caldera CS-6721 Ultra E-ATX full tower Case

PC Cases · Caldera · SKU CS6721-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index2,600 (PC Cases scale)
Category rank#44,580
Street price$319
Performance per dollar8.15
Released2019

Specifications

BrandCaldera
ModelCaldera CS-6721 Ultra
TypeE-ATX full tower
Motherboard supportE-ATX, ATX, Micro-ATX, Mini-ITX
Volume87 L
Max GPU length466 mm
Max CPU cooler height190 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-6721 Ultra E-ATX full tower Case”, https://vextor7.com/item/3199111 (accessed 2026-10-24).