Hardware Spec Index

Zephyra PW-7857 Edge 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW7857-EDGE · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,858 (Power Supplies scale)
Category rank#9,302
Street price$139
Power850 W (rated)
Performance per dollar13.37
Released2020

Specifications

BrandZephyra
ModelZephyra PW-7857 Edge
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Novexa PW-7292 Plus 550W 80 PLUS Bronze ATX 3.0 Power Supply1,028$49Compare
Caldera PW-2716 Edge 750W 80 PLUS Gold ATX 3.0 Power Supply1,616$109Compare
Teralux PW-7729 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,572$99Compare
Vantrel PW-4313 Edge 1600W 80 PLUS Gold ATX Power Supply2,547$279Compare
Zephyra PW-5605 Ti 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,980$399Compare
Novexa PW-4125 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply1,631$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-7857 Edge 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/31360263 (accessed 2026-10-25).