Hardware Spec Index

Zephyra PW-2021 Plus 650W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW2021-PLUS · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,070 (Power Supplies scale)
Category rank#32,614
Street price$59
Power650 W (rated)
Performance per dollar18.14
Released2021

Specifications

BrandZephyra
ModelZephyra PW-2021 Plus
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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-6875 Prime 750W 80 PLUS Gold ATX Power Supply1,020$39Compare
Caldera PW-8281 Pro 1000W 80 PLUS Platinum SFX Power Supply1,770$149Compare
Teralux PW-1013 Plus 650W 80 PLUS Gold ATX 3.0 Power Supply1,264$79Compare
Caldera PW-1320 XT 1300W 80 PLUS Gold ATX Power Supply2,350$289Compare
Vantrel PW-6196 SE 1300W 80 PLUS Titanium ATX Power Supply2,471$229Compare
Caldera PW-3830 SE 1000W 80 PLUS Gold ATX Power Supply1,680$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-2021 Plus 650W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/95298321 (accessed 2026-10-25).