Hardware Spec Index

Caldera PW-1811 Edge 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW1811-EDGE · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index933 (Power Supplies scale)
Category rank#4,355
Street price$49
Power550 W (rated)
Performance per dollar19.04
Released2020

Specifications

BrandCaldera
ModelCaldera PW-1811 Edge
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
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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-7144 Edge 850W 80 PLUS Bronze ATX 3.0 Power Supply1,400$99Compare
Vantrel PW-4477 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply1,605$119Compare
Teralux PW-7167 Ti 750W 80 PLUS Gold ATX Power Supply1,400$99Compare
Vantrel PW-7071 SE 1000W 80 PLUS Platinum SFX Power Supply2,205$199Compare
Vantrel PW-6896 Plus 650W 80 PLUS Gold SFX Power Supply1,092$59Compare
Novexa PW-9229 Ti 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,012$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1811 Edge 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/32614 (accessed 2026-10-19).