Hardware Spec Index

Caldera PW-1233 Edge 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Caldera · SKU PW1233-EDGE · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index952 (Power Supplies scale)
Category rank#38,064
Street price$49
Power550 W (rated)
Performance per dollar19.43
Released2023

Specifications

BrandCaldera
ModelCaldera PW-1233 Edge
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorSFX-L
ModularitySemi-modular
Fan120 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
Caldera PW-2929 Ti 650W 80 PLUS Bronze ATX 3.0 Power Supply1,077$59Compare
Novexa PW-7567 Prime 1300W 80 PLUS Titanium ATX Power Supply2,924$399Compare
Teralux PW-3003 Ultra 650W 80 PLUS Bronze ATX 3.0 Power Supply905$39Compare
Caldera PW-1603 Ultra 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,718$379Compare
Novexa PW-6596 Core 550W 80 PLUS Gold ATX 3.0 Power Supply944$49Compare
Novexa PW-2889 Ti 1600W 80 PLUS Platinum ATX Power Supply2,868$399Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1233 Edge 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/9506847 (accessed 2026-10-19).