Hardware Spec Index

Zephyra FN-4977 Plus 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4977-PLUS · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index646 (Case Fans scale)
Category rank#38,362
Street price$19
Power4 W
Performance per dollar34.00
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4977 Plus
Size120 × 120 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-8398 Edge 140mm PWM Case Fan646$19Compare
Caldera FN-1727 Plus 140mm PWM ARGB Case Fan1,360$49Compare
Zephyra FN-8072 Core 120mm PWM ARGB Case Fan (3-Pack)917$29Compare
Caldera FN-2823 Ti 120mm PWM ARGB Case Fan (3-Pack)1,271$49Compare
Caldera FN-4573 Max 120mm PWM Case Fan632$19Compare
Zephyra FN-3474 Max 140mm PWM ARGB Case Fan1,355$49Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Zephyra FN-4977 Plus 120mm PWM Case Fan”, https://vextor7.com/item/3307583 (accessed 2026-10-23).