Hardware Spec Index

Caldera PW-7830 Ultra 850W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW7830-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index1,348 (Power Supplies scale)
Category rank#1,045
Street price$69
Power850 W (rated)
Performance per dollar19.54
Released2020

Specifications

BrandCaldera
ModelCaldera PW-7830 Ultra
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityNon-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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-4944 Edge 550W 80 PLUS Bronze SFX Power Supply876$49Compare
Vantrel PW-8334 Ti 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,250$269Compare
Teralux PW-3725 XT 1000W 80 PLUS Gold ATX 3.0 Power Supply2,058$209Compare
Teralux PW-9110 Edge 750W 80 PLUS Gold ATX 3.1 Power Supply1,087$49Compare
Teralux PW-9819 XT 850W 80 PLUS Gold ATX 3.1 Power Supply2,155$169Compare
Zephyra PW-8056 Plus 1000W 80 PLUS Gold ATX Power Supply2,281$239Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7830 Ultra 850W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/60025899 (accessed 2026-10-25).