Hardware Spec Index

Zephyra PW-8021 SE 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW8021-SE · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,501 (Power Supplies scale)
Category rank#9,400
Street price$99
Power850 W (rated)
Performance per dollar15.16
Released2023

Specifications

BrandZephyra
ModelZephyra PW-8021 SE
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-2991 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply2,226$179Compare
Vantrel PW-5420 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply2,270$249Compare
Teralux PW-2503 Ultra 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,844$369Compare
Caldera PW-9027 Ti 550W 80 PLUS Bronze ATX 3.1 Power Supply918$39Compare
Zephyra PW-8539 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply759$39Compare
Zephyra PW-5479 Ti 550W 80 PLUS Gold ATX Power Supply1,072$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8021 SE 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/3428293 (accessed 2026-10-20).