Hardware Spec Index

Caldera PW-1058 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1058-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,436 (Power Supplies scale)
Category rank#24,808
Street price$109
Power850 W (rated)
Performance per dollar13.17
Released2024

Specifications

BrandCaldera
ModelCaldera PW-1058 Ultra
Rated output850 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-pin2×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-5747 Ultra 1000W 80 PLUS Platinum ATX Power Supply1,915$189Compare
Vantrel PW-9056 SE 650W 80 PLUS Bronze ATX 3.1 Power Supply749$39Compare
Caldera PW-4276 Ti 850W 80 PLUS Platinum ATX 3.1 Power Supply2,000$179Compare
Caldera PW-7558 Ultra 1300W 80 PLUS Titanium ATX Power Supply2,612$329Compare
Zephyra PW-4169 Prime 650W 80 PLUS Gold ATX Power Supply989$49Compare
Zephyra PW-1114 XT 850W 80 PLUS Gold SFX Power Supply1,812$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1058 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/45915149 (accessed 2026-10-19).