Hardware Spec Index

Caldera PW-6985 Max 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW6985-MAX · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index959 (Power Supplies scale)
Category rank#3,271
Street price$49
Power550 W (rated)
Performance per dollar19.57
Released2019

Specifications

BrandCaldera
ModelCaldera PW-6985 Max
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-3669 Edge 650W 80 PLUS Gold ATX 3.1 Power Supply976$49Compare
Zephyra PW-4403 Ti 750W 80 PLUS Gold ATX 3.0 Power Supply1,226$69Compare
Novexa PW-1178 Edge 550W 80 PLUS Bronze ATX 3.0 Power Supply727$39Compare
Novexa PW-7713 Core 850W 80 PLUS Gold ATX 3.0 Power Supply1,744$149Compare
Zephyra PW-9107 Ultra 1000W 80 PLUS Gold SFX Power Supply1,931$149Compare
Vantrel PW-6970 Ti 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,582$319Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6985 Max 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/85962927 (accessed 2026-10-23).