Hardware Spec Index

Caldera PW-2828 Edge 550W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW2828-EDGE · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index766 (Power Supplies scale)
Category rank#34,648
Street price$39
Power550 W (rated)
Performance per dollar19.64
Released2023

Specifications

BrandCaldera
ModelCaldera PW-2828 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 factorATX
ModularitySemi-modular
Fan140 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-4167 XT 750W 80 PLUS Gold ATX 3.1 Power Supply1,261$79Compare
Novexa PW-8394 Max 550W 80 PLUS Gold ATX 3.1 Power Supply851$39Compare
Novexa PW-6999 XT 1000W 80 PLUS Platinum ATX 3.0 Power Supply1,931$159Compare
Teralux PW-6490 Ti 1300W 80 PLUS Titanium ATX Power Supply2,980$399Compare
Teralux PW-2278 Plus 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,537$289Compare
Teralux PW-4148 Ultra 750W 80 PLUS Bronze ATX Power Supply1,047$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2828 Edge 550W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/78284007 (accessed 2026-10-19).