Hardware Spec Index

Caldera PW-8665 Max 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW8665-MAX · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index880 (Power Supplies scale)
Category rank#35,184
Street price$49
Power550 W (rated)
Performance per dollar17.96
Released2026

Specifications

BrandCaldera
ModelCaldera PW-8665 Max
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully 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
Novexa PW-7422 Max 1000W 80 PLUS Gold ATX Power Supply1,831$179Compare
Novexa PW-2877 Ultra 650W 80 PLUS Bronze SFX Power Supply947$49Compare
Novexa PW-9879 Pro 1600W 80 PLUS Titanium ATX Power Supply2,701$369Compare
Vantrel PW-3852 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply1,928$149Compare
Novexa PW-9082 Ti 1000W 80 PLUS Gold ATX 3.0 Power Supply1,823$139Compare
Caldera PW-7311 SE 550W 80 PLUS Bronze ATX Power Supply1,094$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8665 Max 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/89931298 (accessed 2026-10-25).