Hardware Spec Index

Zephyra PW-8143 Plus 850W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW8143-PLUS · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index1,946 (Power Supplies scale)
Category rank#7,749
Street price$189
Power850 W (rated)
Performance per dollar10.30
Released2026

Specifications

BrandZephyra
ModelZephyra PW-8143 Plus
Rated output850 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (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-1774 XT 650W 80 PLUS Bronze ATX 3.0 Power Supply1,021$49Compare
Caldera PW-2954 Max 550W 80 PLUS Bronze ATX 3.0 Power Supply733$39Compare
Zephyra PW-6927 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,712$109Compare
Caldera PW-3928 Plus 550W 80 PLUS Gold SFX Power Supply805$39Compare
Novexa PW-9267 Prime 550W 80 PLUS Gold ATX 3.1 Power Supply731$39Compare
Novexa PW-7803 Ultra 850W 80 PLUS Gold SFX Power Supply1,418$79Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8143 Plus 850W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/53477791 (accessed 2026-10-22).