Hardware Spec Index

Caldera PW-3976 Core 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW3976-CORE · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,235 (Power Supplies scale)
Category rank#36,388
Street price$69
Power850 W (rated)
Performance per dollar17.90
Released2020

Specifications

BrandCaldera
ModelCaldera PW-3976 Core
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully 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
Vantrel PW-6528 Ultra 1200W 80 PLUS Platinum ATX Power Supply2,261$239Compare
Caldera PW-4986 Edge 750W 80 PLUS Gold ATX 3.0 Power Supply1,556$99Compare
Zephyra PW-8168 XT 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,799$349Compare
Caldera PW-7519 Plus 1300W 80 PLUS Titanium ATX Power Supply2,331$239Compare
Caldera PW-5694 Prime 650W 80 PLUS Bronze ATX Power Supply1,202$59Compare
Novexa PW-1970 Edge 650W 80 PLUS Gold ATX 3.1 Power Supply914$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3976 Core 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/27109 (accessed 2026-10-19).