Hardware Spec Index

Caldera PW-8333 Ultra 650W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW8333-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index775 (Power Supplies scale)
Category rank#46,929
Street price$39
Power650 W (rated)
Performance per dollar19.87
Released2025

Specifications

BrandCaldera
ModelCaldera PW-8333 Ultra
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
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-5288 Max 850W 80 PLUS Gold ATX Power Supply1,556$99Compare
Zephyra PW-4906 Ultra 1300W 80 PLUS Gold ATX 3.1 Power Supply2,498$279Compare
Zephyra PW-8762 XT 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,527$309Compare
Caldera PW-6814 Pro 550W 80 PLUS Bronze ATX Power Supply722$39Compare
Teralux PW-3262 Ti 550W 80 PLUS Bronze ATX 3.0 Power Supply1,016$59Compare
Teralux PW-1700 Max 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,377$229Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8333 Ultra 650W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/97525875 (accessed 2026-10-24).