Hardware Spec Index

Caldera PW-8151 Edge 550W 80 PLUS Bronze SFX Power Supply

Power Supplies · Caldera · SKU PW8151-EDGE · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index875 (Power Supplies scale)
Category rank#17,719
Street price$39
Power550 W (rated)
Performance per dollar22.44
Released2019

Specifications

BrandCaldera
ModelCaldera PW-8151 Edge
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorSFX-L
ModularitySemi-modular
Fan120 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
Teralux PW-5035 Ultra 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,536$319Compare
Teralux PW-1093 XT 650W 80 PLUS Gold ATX 3.0 Power Supply1,351$89Compare
Caldera PW-6454 Edge 1000W 80 PLUS Gold ATX Power Supply1,995$169Compare
Vantrel PW-8544 Max 850W 80 PLUS Gold ATX Power Supply1,611$129Compare
Caldera PW-9986 Prime 850W 80 PLUS Platinum ATX 3.1 Power Supply2,131$179Compare
Novexa PW-4137 Ultra 750W 80 PLUS Gold ATX Power Supply1,124$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8151 Edge 550W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/94553005 (accessed 2026-10-22).