Hardware Spec Index

Zephyra PW-3641 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW3641-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index1,288 (Power Supplies scale)
Category rank#9,402
Street price$59
Power850 W (rated)
Performance per dollar21.83
Released2026

Specifications

BrandZephyra
ModelZephyra PW-3641 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
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
Vantrel PW-7086 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply1,473$89Compare
Caldera PW-9057 Edge 1600W 80 PLUS Titanium ATX Power Supply2,874$379Compare
Caldera PW-5820 Edge 1200W 80 PLUS Platinum ATX Power Supply2,164$259Compare
Vantrel PW-8098 Max 850W 80 PLUS Gold ATX Power Supply1,636$119Compare
Caldera PW-4460 XT 1000W 80 PLUS Platinum ATX 3.0 Power Supply1,889$149Compare
Zephyra PW-4996 Prime 1000W 80 PLUS Gold ATX 3.1 Power Supply1,874$159Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3641 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/5284062 (accessed 2026-10-21).