Hardware Spec Index

Caldera PW-1945 Pro 650W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW1945-PRO · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index1,252 (Power Supplies scale)
Category rank#47,830
Street price$69
Power650 W (rated)
Performance per dollar18.14
Released2023

Specifications

BrandCaldera
ModelCaldera PW-1945 Pro
Rated output650 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-pin1×
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
Novexa PW-6816 Plus 850W 80 PLUS Gold ATX Power Supply1,663$109Compare
Teralux PW-6167 Plus 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,765$399Compare
Vantrel PW-1902 Ti 1000W 80 PLUS Gold SFX Power Supply2,284$219Compare
Caldera PW-8822 XT 550W 80 PLUS Gold ATX Power Supply888$39Compare
Novexa PW-1419 SE 850W 80 PLUS Gold ATX 3.1 Power Supply1,659$129Compare
Caldera PW-3472 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply1,675$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1945 Pro 650W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/6403182 (accessed 2026-10-21).