Hardware Spec Index

Caldera PW-8531 Ti 650W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW8531-TI · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index793 (Power Supplies scale)
Category rank#3,384
Street price$39
Power650 W (rated)
Performance per dollar20.33
Released2025

Specifications

BrandCaldera
ModelCaldera PW-8531 Ti
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (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
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-9370 SE 1000W 80 PLUS Platinum ATX 3.0 Power Supply1,991$149Compare
Caldera PW-5575 XT 750W 80 PLUS Gold ATX Power Supply1,459$89Compare
Caldera PW-4739 Ultra 1000W 80 PLUS Gold ATX 3.1 Power Supply1,579$129Compare
Novexa PW-4561 Prime 850W 80 PLUS Gold SFX Power Supply1,827$139Compare
Teralux PW-5734 Ultra 850W 80 PLUS Gold ATX Power Supply1,757$129Compare
Zephyra PW-5447 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,684$139Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8531 Ti 650W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/22016839 (accessed 2026-10-22).