Hardware Spec Index

Caldera PW-1544 XT 650W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW1544-XT · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index950 (Power Supplies scale)
Category rank#5,218
Street price$49
Power650 W (rated)
Performance per dollar19.39
Released2021

Specifications

BrandCaldera
ModelCaldera PW-1544 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
ModularityNon-modular
Fan120 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
Novexa PW-8827 SE 850W 80 PLUS Platinum ATX 3.1 Power Supply2,020$179Compare
Teralux PW-7887 Max 850W 80 PLUS Gold SFX Power Supply1,469$99Compare
Caldera PW-1457 SE 550W 80 PLUS Bronze ATX 3.1 Power Supply922$39Compare
Caldera PW-5997 Edge 850W 80 PLUS Gold ATX Power Supply1,631$129Compare
Novexa PW-2297 Ultra 1000W 80 PLUS Titanium ATX Power Supply2,144$239Compare
Novexa PW-2940 Edge 750W 80 PLUS Bronze ATX 3.0 Power Supply1,334$79Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1544 XT 650W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/31317499 (accessed 2026-10-23).