Hardware Spec Index

Caldera PW-8038 Ultra 650W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW8038-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index965 (Power Supplies scale)
Category rank#49,661
Street price$49
Power650 W (rated)
Performance per dollar19.69
Released2025

Specifications

BrandCaldera
ModelCaldera PW-8038 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
Fan135 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
Teralux PW-7591 Edge 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,421$299Compare
Zephyra PW-1766 SE 1200W 80 PLUS Gold ATX 3.0 Power Supply2,441$269Compare
Teralux PW-4804 SE 850W 80 PLUS Gold SFX Power Supply1,599$119Compare
Novexa PW-5037 Ultra 1600W 80 PLUS Titanium ATX Power Supply2,737$349Compare
Vantrel PW-1069 Ti 1000W 80 PLUS Gold ATX Power Supply2,384$309Compare
Teralux PW-3408 Edge 1000W 80 PLUS Titanium ATX Power Supply2,200$209Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8038 Ultra 650W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/94826550 (accessed 2026-10-24).