Hardware Spec Index

Caldera PW-3653 Ultra 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW3653-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,537 (Power Supplies scale)
Category rank#45,492
Street price$109
Power850 W (rated)
Performance per dollar14.10
Released2019

Specifications

BrandCaldera
ModelCaldera PW-3653 Ultra
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-6874 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,693$129Compare
Vantrel PW-4107 Edge 850W 80 PLUS Gold ATX Power Supply1,852$139Compare
Zephyra PW-5499 Ti 650W 80 PLUS Gold ATX Power Supply1,151$49Compare
Teralux PW-2438 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,250$79Compare
Vantrel PW-9890 Ultra 550W 80 PLUS Gold SFX Power Supply1,128$49Compare
Teralux PW-8644 XT 750W 80 PLUS Gold ATX 3.1 Power Supply1,630$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3653 Ultra 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/97838733 (accessed 2026-10-22).