Hardware Spec Index

Zephyra PW-4978 Core 1200W 80 PLUS Platinum ATX Power Supply

Power Supplies · Zephyra · SKU PW4978-CORE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index2,610 (Power Supplies scale)
Category rank#20,304
Street price$309
Power1200 W (rated)
Performance per dollar8.45
Released2021

Specifications

BrandZephyra
ModelZephyra PW-4978 Core
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% 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
Zephyra PW-3499 Core 850W 80 PLUS Gold ATX 3.1 Power Supply1,588$129Compare
Caldera PW-2986 Edge 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,493$339Compare
Teralux PW-2940 Plus 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,537$259Compare
Teralux PW-1539 SE 650W 80 PLUS Bronze ATX 3.0 Power Supply1,050$59Compare
Caldera PW-4138 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply1,984$179Compare
Teralux PW-9446 Ti 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,980$359Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-4978 Core 1200W 80 PLUS Platinum ATX Power Supply”, https://vextor7.com/item/20059074 (accessed 2026-10-20).