Hardware Spec Index

Caldera PW-3655 Ultra 750W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW3655-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index1,063 (Power Supplies scale)
Category rank#45,621
Street price$59
Power750 W (rated)
Performance per dollar18.02
Released2026

Specifications

BrandCaldera
ModelCaldera PW-3655 Ultra
Rated output750 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 factorATX
ModularityFully modular
Fan135 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-6623 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply1,177$69Compare
Novexa PW-9325 Core 1300W 80 PLUS Titanium ATX Power Supply2,782$339Compare
Zephyra PW-1795 Prime 550W 80 PLUS Gold ATX 3.1 Power Supply979$39Compare
Vantrel PW-9767 Plus 1000W 80 PLUS Titanium ATX 3.0 Power Supply2,554$299Compare
Caldera PW-2872 Plus 750W 80 PLUS Gold ATX 3.0 Power Supply1,023$49Compare
Caldera PW-1912 Max 850W 80 PLUS Gold SFX Power Supply1,608$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3655 Ultra 750W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/31364522 (accessed 2026-10-25).