Hardware Spec Index

Caldera PW-1403 Ultra 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW1403-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index1,435 (Power Supplies scale)
Category rank#38,345
Street price$99
Power850 W (rated)
Performance per dollar14.49
Released2019

Specifications

BrandCaldera
ModelCaldera PW-1403 Ultra
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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-7766 XT 850W 80 PLUS Bronze ATX Power Supply1,271$79Compare
Vantrel PW-4469 Core 750W 80 PLUS Gold ATX Power Supply1,486$99Compare
Zephyra PW-7614 Prime 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,457$249Compare
Novexa PW-7521 Plus 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,663$329Compare
Novexa PW-8963 Edge 1300W 80 PLUS Titanium ATX Power Supply2,904$379Compare
Teralux PW-9266 Plus 1300W 80 PLUS Gold ATX Power Supply2,631$289Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1403 Ultra 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/6401689 (accessed 2026-10-23).