Hardware Spec Index

Caldera PW-1749 XT 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Caldera · SKU PW1749-XT · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,196 (Power Supplies scale)
Category rank#10,559
Street price$59
Power850 W (rated)
Performance per dollar20.27
Released2020

Specifications

BrandCaldera
ModelCaldera PW-1749 XT
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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-8138 Pro 750W 80 PLUS Bronze SFX Power Supply1,053$59Compare
Teralux PW-1920 Plus 550W 80 PLUS Bronze ATX Power Supply759$39Compare
Vantrel PW-2550 Prime 750W 80 PLUS Bronze ATX 3.0 Power Supply935$49Compare
Novexa PW-6067 SE 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,147$199Compare
Vantrel PW-7718 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,569$109Compare
Zephyra PW-4733 Pro 550W 80 PLUS Bronze ATX Power Supply736$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1749 XT 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/10072638 (accessed 2026-10-19).