Hardware Spec Index

Zephyra CS-3921 Ultra Micro-ATX tower Case

PC Cases · Zephyra · SKU CS3921-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index822 (PC Cases scale)
Category rank#6,434
Street price$59
Performance per dollar13.93
Released2020

Specifications

BrandZephyra
ModelZephyra CS-3921 Ultra
TypeMicro-ATX tower
Motherboard supportMicro-ATX, Mini-ITX
Volume36 L
Max GPU length367 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, “Zephyra CS-3921 Ultra Micro-ATX tower Case”, https://vextor7.com/item/20149424 (accessed 2026-10-20).