Hardware Spec Index

Zephyra PW-6603 Max 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW6603-MAX · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,383 (Power Supplies scale)
Category rank#26,311
Street price$69
Power850 W (rated)
Performance per dollar20.04
Released2023

Specifications

BrandZephyra
ModelZephyra PW-6603 Max
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
Fan135 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
Vantrel PW-4659 SE 750W 80 PLUS Bronze ATX 3.1 Power Supply1,220$69Compare
Caldera PW-7592 XT 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,980$359Compare
Vantrel PW-7903 Ultra 550W 80 PLUS Bronze ATX Power Supply774$39Compare
Zephyra PW-8252 XT 850W 80 PLUS Gold SFX Power Supply1,535$99Compare
Teralux PW-5028 Core 550W 80 PLUS Gold ATX 3.0 Power Supply848$39Compare
Caldera PW-4920 Edge 1000W 80 PLUS Gold ATX Power Supply2,101$229Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-6603 Max 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/32939039 (accessed 2026-10-25).