Hardware Spec Index

Caldera PW-8290 Max 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW8290-MAX · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index946 (Power Supplies scale)
Category rank#47,895
Street price$49
Power550 W (rated)
Performance per dollar19.31
Released2024

Specifications

BrandCaldera
ModelCaldera PW-8290 Max
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularitySemi-modular
Fan120 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
Vantrel PW-6568 XT 850W 80 PLUS Gold ATX 3.0 Power Supply1,961$189Compare
Teralux PW-6760 Ti 1200W 80 PLUS Platinum ATX Power Supply2,315$229Compare
Vantrel PW-6758 Max 750W 80 PLUS Gold ATX 3.0 Power Supply1,287$69Compare
Vantrel PW-9280 Max 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,000$169Compare
Teralux PW-8865 SE 1000W 80 PLUS Gold ATX Power Supply1,759$109Compare
Caldera PW-1653 Prime 1000W 80 PLUS Gold ATX 3.0 Power Supply1,926$179Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8290 Max 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/6706975 (accessed 2026-10-26).