Hardware Spec Index

Caldera PW-1789 Plus 1300W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1789-PLUS · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index2,506 (Power Supplies scale)
Category rank#33,030
Street price$279
Power1300 W (rated)
Performance per dollar8.98
Released2026

Specifications

BrandCaldera
ModelCaldera PW-1789 Plus
Rated output1,300 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin4×
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
Teralux PW-3499 Plus 750W 80 PLUS Gold ATX Power Supply1,453$109Compare
Zephyra PW-6643 Max 850W 80 PLUS Gold ATX 3.0 Power Supply1,816$129Compare
Caldera PW-9069 Ultra 1200W 80 PLUS Gold ATX 3.1 Power Supply2,421$249Compare
Zephyra PW-3834 Core 1200W 80 PLUS Titanium ATX Power Supply2,762$299Compare
Novexa PW-7329 Core 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,881$369Compare
Teralux PW-5635 Prime 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,438$259Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1789 Plus 1300W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/71662320 (accessed 2026-10-25).