Hardware Spec Index

Caldera PW-1027 Pro 850W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW1027-PRO · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index1,174 (Power Supplies scale)
Category rank#32,124
Street price$69
Power850 W (rated)
Performance per dollar17.01
Released2021

Specifications

BrandCaldera
ModelCaldera PW-1027 Pro
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularitySemi-modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-1749 Ti 650W 80 PLUS Bronze SFX Power Supply1,136$69Compare
Zephyra PW-2567 Pro 1000W 80 PLUS Gold ATX Power Supply1,954$179Compare
Novexa PW-3325 Ultra 1000W 80 PLUS Gold SFX Power Supply1,861$129Compare
Teralux PW-2921 Core 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,704$359Compare
Novexa PW-6014 Ti 1000W 80 PLUS Gold ATX Power Supply1,855$149Compare
Novexa PW-9855 Ti 750W 80 PLUS Gold ATX Power Supply1,581$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1027 Pro 850W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/6953258 (accessed 2026-10-18).