Hardware Spec Index

Zephyra PW-8858 Prime 1200W 80 PLUS Titanium ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW8858-PRIME · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index2,504 (Power Supplies scale)
Category rank#2,799
Street price$279
Power1200 W (rated)
Performance per dollar8.97
Released2022

Specifications

BrandZephyra
ModelZephyra PW-8858 Prime
Rated output1,200 W continuous
Efficiency80 PLUS Titanium (94% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin3×
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
Zephyra PW-3464 Core 550W 80 PLUS Bronze ATX 3.1 Power Supply726$39Compare
Teralux PW-2699 Ti 850W 80 PLUS Gold ATX Power Supply1,351$79Compare
Vantrel PW-7900 Ultra 1000W 80 PLUS Gold ATX Power Supply1,783$129Compare
Novexa PW-4241 Ultra 1300W 80 PLUS Platinum ATX Power Supply2,586$329Compare
Caldera PW-6618 Plus 850W 80 PLUS Gold ATX Power Supply1,900$199Compare
Vantrel PW-6432 XT 650W 80 PLUS Gold ATX 3.1 Power Supply1,025$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8858 Prime 1200W 80 PLUS Titanium ATX 3.0 Power Supply”, https://vextor7.com/item/3615840 (accessed 2026-10-20).