Hardware Spec Index

Zephyra PW-3887 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW3887-PRIME · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index2,107 (Power Supplies scale)
Category rank#20,332
Street price$189
Power850 W (rated)
Performance per dollar11.15
Released2023

Specifications

BrandZephyra
ModelZephyra PW-3887 Prime
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
Fan120 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
Caldera PW-7929 Max 650W 80 PLUS Gold ATX 3.1 Power Supply1,117$59Compare
Vantrel PW-5194 XT 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,722$329Compare
Vantrel PW-6237 Core 650W 80 PLUS Bronze ATX Power Supply1,145$59Compare
Zephyra PW-8609 Plus 1000W 80 PLUS Gold ATX Power Supply2,019$169Compare
Teralux PW-4462 XT 850W 80 PLUS Gold ATX Power Supply1,568$99Compare
Zephyra PW-8804 Max 550W 80 PLUS Bronze ATX Power Supply849$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3887 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/19684099 (accessed 2026-10-21).