Hardware Spec Index

Caldera PW-2299 Max 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW2299-MAX · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index1,006 (Power Supplies scale)
Category rank#21,828
Street price$49
Power550 W (rated)
Performance per dollar20.53
Released2025

Specifications

BrandCaldera
ModelCaldera PW-2299 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
ModularityNon-modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Teralux PW-3442 Plus 1300W 80 PLUS Gold ATX 3.0 Power Supply2,328$269Compare
Zephyra PW-6118 Prime 750W 80 PLUS Bronze ATX Power Supply1,536$99Compare
Teralux PW-2793 Plus 650W 80 PLUS Bronze SFX Power Supply890$49Compare
Zephyra PW-7144 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,614$99Compare
Caldera PW-7984 Plus 1200W 80 PLUS Titanium ATX Power Supply2,550$279Compare
Novexa PW-1512 SE 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,512$289Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2299 Max 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/76526905 (accessed 2026-10-25).