Hardware Spec Index

Caldera PW-1539 Core 750W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW1539-CORE · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index946 (Power Supplies scale)
Category rank#31,675
Street price$49
Power750 W (rated)
Performance per dollar19.31
Released2020

Specifications

BrandCaldera
ModelCaldera PW-1539 Core
Rated output750 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularitySemi-modular
Fan135 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

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Cite this page: Hardware Spec Index, “Caldera PW-1539 Core 750W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/2915113 (accessed 2026-10-22).