Hardware Spec Index

Caldera PW-3770 Pro 850W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW3770-PRO · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,488 (Power Supplies scale)
Category rank#49,336
Street price$79
Power850 W (rated)
Performance per dollar18.84
Released2022

Specifications

BrandCaldera
ModelCaldera PW-3770 Pro
Rated output850 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-pin2×
Form factorATX
ModularityNon-modular
Fan135 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
Vantrel PW-7455 Pro 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,365$249Compare
Novexa PW-2253 Core 850W 80 PLUS Platinum ATX 3.1 Power Supply2,020$169Compare
Zephyra PW-6581 XT 1000W 80 PLUS Gold ATX Power Supply2,078$159Compare
Teralux PW-8379 SE 850W 80 PLUS Gold SFX Power Supply1,708$159Compare
Vantrel PW-9827 Max 1000W 80 PLUS Gold ATX Power Supply1,793$139Compare
Zephyra PW-2279 Max 1300W 80 PLUS Gold ATX 3.1 Power Supply2,474$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3770 Pro 850W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/525341 (accessed 2026-10-20).