Hardware Spec Index

Zephyra PW-8749 Max 550W 80 PLUS Gold SFX Power Supply

Power Supplies · Zephyra · SKU PW8749-MAX · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index759 (Power Supplies scale)
Category rank#17,348
Street price$39
Power550 W (rated)
Performance per dollar19.46
Released2020

Specifications

BrandZephyra
ModelZephyra PW-8749 Max
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
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
Caldera PW-8885 XT 1000W 80 PLUS Gold ATX Power Supply1,761$129Compare
Novexa PW-8416 Pro 550W 80 PLUS Bronze SFX Power Supply1,063$49Compare
Zephyra PW-7052 Core 850W 80 PLUS Gold ATX 3.1 Power Supply1,617$129Compare
Teralux PW-8201 Plus 550W 80 PLUS Bronze ATX 3.0 Power Supply793$39Compare
Novexa PW-5649 Ultra 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,356$269Compare
Vantrel PW-4665 Ultra 550W 80 PLUS Bronze ATX 3.0 Power Supply865$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-8749 Max 550W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/10366362 (accessed 2026-10-19).