Hardware Spec Index

Caldera PW-4254 XT 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW4254-XT · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index1,484 (Power Supplies scale)
Category rank#40,758
Street price$109
Power850 W (rated)
Performance per dollar13.61
Released2025

Specifications

BrandCaldera
ModelCaldera PW-4254 XT
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
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Caldera PW-6110 XT 850W 80 PLUS Gold ATX Power Supply1,635$109Compare
Zephyra PW-5287 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,672$119Compare
Teralux PW-2300 Plus 750W 80 PLUS Gold SFX Power Supply1,311$89Compare
Zephyra PW-2993 Ultra 1000W 80 PLUS Gold SFX Power Supply1,644$119Compare
Zephyra PW-6195 Ti 550W 80 PLUS Gold SFX Power Supply789$39Compare
Zephyra PW-2924 SE 850W 80 PLUS Gold ATX 3.1 Power Supply1,754$159Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4254 XT 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/92436245 (accessed 2026-10-24).