Hardware Spec Index

Caldera PW-6448 Pro 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Caldera · SKU PW6448-PRO · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index1,511 (Power Supplies scale)
Category rank#36,729
Street price$99
Power850 W (rated)
Performance per dollar15.26
Released2024

Specifications

BrandCaldera
ModelCaldera PW-6448 Pro
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 factorSFX-L
ModularityFully modular
Fan120 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
Vantrel PW-5258 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply2,103$179Compare
Caldera PW-2164 Core 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,611$329Compare
Zephyra PW-6525 Prime 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,187$249Compare
Zephyra PW-4385 Max 550W 80 PLUS Bronze ATX 3.1 Power Supply986$49Compare
Caldera PW-3021 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,836$139Compare
Vantrel PW-5057 SE 1300W 80 PLUS Platinum ATX Power Supply2,735$339Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6448 Pro 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/1744206 (accessed 2026-10-21).