Hardware Spec Index

Zephyra PW-3278 Core 650W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW3278-CORE · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index1,174 (Power Supplies scale)
Category rank#23,724
Street price$69
Power650 W (rated)
Performance per dollar17.01
Released2019

Specifications

BrandZephyra
ModelZephyra PW-3278 Core
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularitySemi-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-7776 Max 1000W 80 PLUS Gold ATX 3.0 Power Supply2,191$219Compare
Novexa PW-6867 Ultra 650W 80 PLUS Bronze ATX Power Supply1,073$59Compare
Vantrel PW-3205 Pro 550W 80 PLUS Bronze ATX Power Supply825$39Compare
Novexa PW-6295 Prime 750W 80 PLUS Gold ATX Power Supply1,613$109Compare
Zephyra PW-9087 Max 650W 80 PLUS Gold ATX 3.0 Power Supply865$39Compare
Novexa PW-1613 Ultra 750W 80 PLUS Gold ATX Power Supply1,385$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3278 Core 650W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/3340565 (accessed 2026-10-21).