Hardware Spec Index

Caldera PW-9831 XT 650W 80 PLUS Bronze SFX Power Supply

Power Supplies · Caldera · SKU PW9831-XT · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,051 (Power Supplies scale)
Category rank#5,968
Street price$59
Power650 W (rated)
Performance per dollar17.81
Released2023

Specifications

BrandCaldera
ModelCaldera PW-9831 XT
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorSFX-L
ModularitySemi-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
Novexa PW-5785 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply1,632$99Compare
Novexa PW-6349 Core 850W 80 PLUS Gold ATX 3.1 Power Supply1,651$119Compare
Teralux PW-1876 Ti 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,545$249Compare
Vantrel PW-5227 Plus 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,644$389Compare
Vantrel PW-2653 Edge 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,230$249Compare
Novexa PW-3388 Max 550W 80 PLUS Bronze ATX 3.0 Power Supply712$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-9831 XT 650W 80 PLUS Bronze SFX Power Supply”, https://vextor7.com/item/80241107 (accessed 2026-10-19).