Hardware Spec Index

Zephyra PW-5551 Ti 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Zephyra · SKU PW5551-TI · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index1,398 (Power Supplies scale)
Category rank#12,088
Street price$89
Power850 W (rated)
Performance per dollar15.71
Released2021

Specifications

BrandZephyra
ModelZephyra PW-5551 Ti
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-9953 Ti 1600W 80 PLUS Gold ATX Power Supply2,558$309Compare
Novexa PW-7831 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,367$89Compare
Zephyra PW-5100 SE 750W 80 PLUS Gold ATX Power Supply1,556$119Compare
Vantrel PW-7529 Edge 1000W 80 PLUS Gold SFX Power Supply1,612$109Compare
Novexa PW-2532 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,217$59Compare
Teralux PW-5699 Ti 1300W 80 PLUS Gold ATX 3.1 Power Supply2,297$239Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-5551 Ti 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/10858 (accessed 2026-10-18).