Hardware Spec Index

Zephyra PW-6221 Prime 650W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW6221-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,182 (Power Supplies scale)
Category rank#3,075
Street price$69
Power650 W (rated)
Performance per dollar17.13
Released2022

Specifications

BrandZephyra
ModelZephyra PW-6221 Prime
Rated output650 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-pin1×
Form factorATX
ModularityFully modular
Fan120 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
Caldera PW-9027 SE 1000W 80 PLUS Platinum ATX Power Supply1,934$189Compare
Teralux PW-3761 SE 1600W 80 PLUS Titanium ATX Power Supply2,980$389Compare
Caldera PW-8480 Pro 650W 80 PLUS Gold ATX 3.0 Power Supply1,353$89Compare
Vantrel PW-6596 Max 750W 80 PLUS Gold ATX Power Supply1,300$79Compare
Vantrel PW-9007 XT 1200W 80 PLUS Titanium ATX Power Supply2,478$269Compare
Caldera PW-6757 SE 750W 80 PLUS Bronze ATX 3.0 Power Supply1,038$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-6221 Prime 650W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/12923733 (accessed 2026-10-21).