Hardware Spec Index

Caldera PW-4866 XT 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW4866-XT · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index1,286 (Power Supplies scale)
Category rank#17,771
Street price$59
Power850 W (rated)
Performance per dollar21.80
Released2022

Specifications

BrandCaldera
ModelCaldera PW-4866 XT
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
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-4565 SE 1000W 80 PLUS Titanium ATX Power Supply2,344$289Compare
Zephyra PW-8832 Max 850W 80 PLUS Gold ATX 3.0 Power Supply1,692$129Compare
Zephyra PW-3219 SE 1000W 80 PLUS Titanium ATX Power Supply2,525$259Compare
Zephyra PW-8528 Pro 550W 80 PLUS Bronze ATX Power Supply1,209$69Compare
Vantrel PW-2631 Edge 1000W 80 PLUS Titanium SFX Power Supply2,113$249Compare
Vantrel PW-3148 Prime 850W 80 PLUS Gold SFX Power Supply1,619$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4866 XT 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/63669625 (accessed 2026-10-26).