Hardware Spec Index

Zephyra PW-2870 XT 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Zephyra · SKU PW2870-XT · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index809 (Power Supplies scale)
Category rank#32,053
Street price$39
Power550 W (rated)
Performance per dollar20.74
Released2020

Specifications

BrandZephyra
ModelZephyra PW-2870 XT
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
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
Caldera PW-9578 Edge 550W 80 PLUS Gold ATX 3.0 Power Supply1,162$49Compare
Caldera PW-6443 Prime 1300W 80 PLUS Gold ATX Power Supply2,475$289Compare
Zephyra PW-2430 Pro 850W 80 PLUS Gold SFX Power Supply2,128$199Compare
Caldera PW-5635 Prime 1200W 80 PLUS Gold ATX 3.0 Power Supply2,576$269Compare
Caldera PW-8176 Edge 650W 80 PLUS Gold ATX Power Supply1,017$49Compare
Zephyra PW-8475 Ultra 850W 80 PLUS Bronze ATX Power Supply1,211$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-2870 XT 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/12946212 (accessed 2026-10-20).