Hardware Spec Index

Zephyra PW-1145 Ti 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW1145-TI · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index1,063 (Power Supplies scale)
Category rank#29,294
Street price$49
Power550 W (rated)
Performance per dollar21.69
Released2020

Specifications

BrandZephyra
ModelZephyra PW-1145 Ti
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan135 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
Teralux PW-7271 Ultra 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,756$339Compare
Novexa PW-3920 XT 650W 80 PLUS Gold ATX 3.1 Power Supply1,027$49Compare
Novexa PW-2909 Core 550W 80 PLUS Gold ATX 3.1 Power Supply830$39Compare
Novexa PW-1057 XT 1000W 80 PLUS Gold ATX Power Supply1,689$109Compare
Zephyra PW-6298 Edge 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,791$379Compare
Teralux PW-5266 Max 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,343$209Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-1145 Ti 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/69016553 (accessed 2026-10-23).