Hardware Spec Index

Caldera PW-2789 XT 650W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW2789-XT · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index714 (Power Supplies scale)
Category rank#24,696
Street price$39
Power650 W (rated)
Performance per dollar18.31
Released2021

Specifications

BrandCaldera
ModelCaldera PW-2789 XT
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan140 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
Teralux PW-8858 Ti 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,011$149Compare
Vantrel PW-4474 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,787$129Compare
Zephyra PW-7514 Core 1200W 80 PLUS Platinum ATX Power Supply2,443$279Compare
Caldera PW-7351 SE 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,892$179Compare
Vantrel PW-6338 Plus 750W 80 PLUS Gold SFX Power Supply1,060$59Compare
Vantrel PW-7698 Prime 1000W 80 PLUS Gold SFX Power Supply2,238$179Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2789 XT 650W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/41368523 (accessed 2026-10-24).