Hardware Spec Index

Zephyra PW-2021 XT 650W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW2021-XT · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,079 (Power Supplies scale)
Category rank#35,372
Street price$59
Power650 W (rated)
Performance per dollar18.29
Released2019

Specifications

BrandZephyra
ModelZephyra PW-2021 XT
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan135 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
Novexa PW-4951 Prime 1000W 80 PLUS Gold SFX Power Supply2,040$209Compare
Novexa PW-8071 SE 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,535$259Compare
Novexa PW-2458 SE 1000W 80 PLUS Gold ATX 3.0 Power Supply1,880$129Compare
Novexa PW-5427 Ultra 650W 80 PLUS Gold ATX Power Supply1,297$89Compare
Vantrel PW-7355 Ti 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,102$199Compare
Teralux PW-9704 XT 850W 80 PLUS Gold ATX 3.0 Power Supply1,513$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-2021 XT 650W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/4452736 (accessed 2026-10-19).