Hardware Spec Index

Zephyra PW-3843 XT 550W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW3843-XT · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index887 (Power Supplies scale)
Category rank#43,665
Street price$39
Power550 W (rated)
Performance per dollar22.74
Released2022

Specifications

BrandZephyra
ModelZephyra PW-3843 XT
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Zephyra PW-1743 Ultra 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,253$229Compare
Caldera PW-3761 Max 650W 80 PLUS Gold ATX 3.1 Power Supply1,273$59Compare
Caldera PW-9186 Pro 850W 80 PLUS Gold SFX Power Supply1,484$99Compare
Caldera PW-6790 Plus 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,837$389Compare
Teralux PW-3135 Edge 550W 80 PLUS Bronze ATX 3.0 Power Supply881$49Compare
Novexa PW-6240 Pro 650W 80 PLUS Gold ATX 3.1 Power Supply1,112$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-3843 XT 550W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/7155807 (accessed 2026-10-24).