Hardware Spec Index

Caldera PW-3445 Core 650W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW3445-CORE · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index1,321 (Power Supplies scale)
Category rank#18,984
Street price$79
Power650 W (rated)
Performance per dollar16.72
Released2020

Specifications

BrandCaldera
ModelCaldera PW-3445 Core
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Novexa PW-3634 XT 650W 80 PLUS Gold ATX 3.1 Power Supply1,236$69Compare
Caldera PW-8042 Pro 650W 80 PLUS Bronze ATX 3.0 Power Supply828$49Compare
Novexa PW-9838 Ultra 1000W 80 PLUS Titanium ATX Power Supply2,512$249Compare
Caldera PW-3918 Max 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,981$169Compare
Novexa PW-4414 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,291$79Compare
Novexa PW-8931 Max 1200W 80 PLUS Platinum ATX Power Supply2,285$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3445 Core 650W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/7581840 (accessed 2026-10-26).