Hardware Spec Index

Caldera PW-3973 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW3973-PRIME · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index2,009 (Power Supplies scale)
Category rank#13,788
Street price$179
Power850 W (rated)
Performance per dollar11.22
Released2023

Specifications

BrandCaldera
ModelCaldera PW-3973 Prime
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
Fan140 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
Teralux PW-1242 Max 850W 80 PLUS Gold ATX Power Supply1,616$109Compare
Caldera PW-2292 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply1,194$69Compare
Vantrel PW-5805 Prime 1000W 80 PLUS Gold ATX 3.1 Power Supply2,459$259Compare
Novexa PW-8211 Ti 1600W 80 PLUS Titanium ATX Power Supply2,771$349Compare
Zephyra PW-7868 Core 850W 80 PLUS Gold ATX Power Supply1,184$59Compare
Vantrel PW-6041 Ultra 1000W 80 PLUS Gold ATX Power Supply1,725$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3973 Prime 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/7301410 (accessed 2026-10-20).