Hardware Spec Index

Caldera PW-4051 Core 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW4051-CORE · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index1,348 (Power Supplies scale)
Category rank#33,661
Street price$89
Power850 W (rated)
Performance per dollar15.15
Released2023

Specifications

BrandCaldera
ModelCaldera PW-4051 Core
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 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
Vantrel PW-6130 Ti 1000W 80 PLUS Gold ATX Power Supply2,013$209Compare
Zephyra PW-3052 Edge 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,883$399Compare
Zephyra PW-8510 Prime 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,354$249Compare
Novexa PW-4683 Edge 1200W 80 PLUS Titanium ATX Power Supply2,784$339Compare
Vantrel PW-6155 SE 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,453$279Compare
Teralux PW-9245 SE 850W 80 PLUS Gold ATX 3.1 Power Supply1,823$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4051 Core 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/16100016 (accessed 2026-10-23).