Hardware Spec Index

Caldera PW-2871 Max 550W 80 PLUS Gold SFX Power Supply

Power Supplies · Caldera · SKU PW2871-MAX · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index828 (Power Supplies scale)
Category rank#7,383
Street price$39
Power550 W (rated)
Performance per dollar21.23
Released2026

Specifications

BrandCaldera
ModelCaldera PW-2871 Max
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorSFX-L
ModularityFully 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
Teralux PW-5869 Prime 750W 80 PLUS Gold ATX Power Supply1,317$79Compare
Zephyra PW-5949 Max 1200W 80 PLUS Gold ATX Power Supply1,998$199Compare
Novexa PW-9587 Pro 850W 80 PLUS Gold SFX Power Supply1,838$159Compare
Teralux PW-3989 Core 1000W 80 PLUS Gold SFX Power Supply1,697$129Compare
Caldera PW-2135 Max 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,372$229Compare
Novexa PW-4178 Pro 1200W 80 PLUS Gold ATX 3.1 Power Supply2,219$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2871 Max 550W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/94515242 (accessed 2026-10-25).