Hardware Spec Index

Caldera PW-6757 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW6757-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,536 (Power Supplies scale)
Category rank#5,674
Street price$89
Power850 W (rated)
Performance per dollar17.26
Released2023

Specifications

BrandCaldera
ModelCaldera PW-6757 Ultra
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
Fan120 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
Teralux PW-4244 Prime 1300W 80 PLUS Gold ATX 3.0 Power Supply2,335$229Compare
Caldera PW-9297 Ti 850W 80 PLUS Gold ATX 3.0 Power Supply1,615$109Compare
Zephyra PW-1725 Ti 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,845$379Compare
Zephyra PW-5786 Edge 650W 80 PLUS Gold ATX Power Supply1,166$49Compare
Caldera PW-5807 Core 550W 80 PLUS Bronze ATX 3.1 Power Supply899$49Compare
Zephyra PW-9783 Prime 1300W 80 PLUS Platinum ATX Power Supply2,905$399Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6757 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/174122 (accessed 2026-10-19).