Hardware Spec Index

Zephyra PW-3842 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW3842-ULTRA · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index1,649 (Power Supplies scale)
Category rank#44,134
Street price$119
Power850 W (rated)
Performance per dollar13.86
Released2025

Specifications

BrandZephyra
ModelZephyra PW-3842 Ultra
Rated output850 W continuous
Efficiency80 PLUS Gold (90% 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
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
Teralux PW-9218 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply1,740$149Compare
Vantrel PW-6653 Pro 1200W 80 PLUS Gold ATX Power Supply2,263$229Compare
Vantrel PW-9966 SE 1000W 80 PLUS Platinum ATX 3.0 Power Supply1,941$159Compare
Zephyra PW-3144 Ti 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,807$169Compare
Teralux PW-3664 Plus 1000W 80 PLUS Gold ATX 3.1 Power Supply2,153$219Compare
Novexa PW-8199 Pro 1000W 80 PLUS Gold ATX 3.0 Power Supply1,987$209Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3842 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/1481978 (accessed 2026-10-18).