Hardware Spec Index

Caldera PW-3871 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW3871-PRO · Released 2023 · Updated 2026-10-18

Key facts

Benchmark index1,630 (Power Supplies scale)
Category rank#4,500
Street price$119
Power850 W (rated)
Performance per dollar13.70
Released2023

Specifications

BrandCaldera
ModelCaldera PW-3871 Pro
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-7501 Ultra 750W 80 PLUS Gold ATX Power Supply1,225$59Compare
Vantrel PW-6126 SE 1000W 80 PLUS Titanium ATX 3.0 Power Supply2,233$219Compare
Teralux PW-8134 Pro 850W 80 PLUS Gold SFX Power Supply1,274$59Compare
Novexa PW-9384 Plus 1000W 80 PLUS Platinum ATX 3.0 Power Supply1,927$159Compare
Vantrel PW-2687 SE 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,942$359Compare
Teralux PW-7958 Max 550W 80 PLUS Gold ATX Power Supply968$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3871 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/692153 (accessed 2026-10-18).