Hardware Spec Index

Caldera PW-1647 SE 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Caldera · SKU PW1647-SE · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,430 (Power Supplies scale)
Category rank#17,065
Street price$89
Power850 W (rated)
Performance per dollar16.07
Released2019

Specifications

BrandCaldera
ModelCaldera PW-1647 SE
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorSFX-L
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
Novexa PW-5505 Edge 850W 80 PLUS Platinum ATX Power Supply1,823$169Compare
Novexa PW-4438 XT 1300W 80 PLUS Platinum ATX Power Supply2,717$349Compare
Novexa PW-1058 SE 1000W 80 PLUS Gold ATX 3.0 Power Supply2,242$209Compare
Zephyra PW-5812 SE 550W 80 PLUS Bronze ATX Power Supply881$39Compare
Zephyra PW-5423 Ultra 1000W 80 PLUS Platinum SFX Power Supply1,981$179Compare
Teralux PW-8693 Core 850W 80 PLUS Gold ATX Power Supply1,908$189Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1647 SE 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/24671281 (accessed 2026-10-19).