Hardware Spec Index

Zephyra PW-4978 Ultra 1200W 80 PLUS Titanium ATX Power Supply

Power Supplies · Zephyra · SKU PW4978-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index2,436 (Power Supplies scale)
Category rank#45,208
Street price$249
Power1200 W (rated)
Performance per dollar9.78
Released2021

Specifications

BrandZephyra
ModelZephyra PW-4978 Ultra
Rated output1,200 W continuous
Efficiency80 PLUS Titanium (94% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty12 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-7755 Core 850W 80 PLUS Gold ATX 3.0 Power Supply1,454$109Compare
Teralux PW-1276 Pro 1000W 80 PLUS Gold ATX 3.1 Power Supply2,176$209Compare
Zephyra PW-1875 Core 550W 80 PLUS Gold ATX Power Supply964$39Compare
Caldera PW-8851 Ti 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,834$319Compare
Teralux PW-6565 Ti 750W 80 PLUS Bronze SFX Power Supply968$49Compare
Zephyra PW-3541 Core 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,290$279Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4978 Ultra 1200W 80 PLUS Titanium ATX Power Supply”, https://vextor7.com/item/91318838 (accessed 2026-10-22).