Hardware Spec Index

Zephyra PW-8704 XT 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW8704-XT · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index1,764 (Power Supplies scale)
Category rank#179
Street price$139
Power850 W (rated)
Performance per dollar12.69
Released2022

Specifications

BrandZephyra
ModelZephyra PW-8704 XT
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
Warranty10 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-4425 Pro 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,401$259Compare
Novexa PW-8865 Plus 750W 80 PLUS Bronze ATX 3.1 Power Supply1,421$79Compare
Zephyra PW-2953 SE 1300W 80 PLUS Platinum ATX Power Supply2,905$379Compare
Zephyra PW-4519 Core 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,069$199Compare
Zephyra PW-7249 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,522$99Compare
Caldera PW-4387 Ultra 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,760$369Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8704 XT 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/8411802 (accessed 2026-10-24).