Hardware Spec Index

Caldera PW-1661 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1661-TI · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index1,502 (Power Supplies scale)
Category rank#25,000
Street price$99
Power850 W (rated)
Performance per dollar15.17
Released2025

Specifications

BrandCaldera
ModelCaldera PW-1661 Ti
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 factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Vantrel PW-5062 Edge 1200W 80 PLUS Gold ATX 3.0 Power Supply2,389$279Compare
Novexa PW-8867 Ultra 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,725$349Compare
Vantrel PW-1976 Edge 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,904$399Compare
Vantrel PW-2563 Core 550W 80 PLUS Gold ATX 3.0 Power Supply842$49Compare
Novexa PW-8005 XT 1300W 80 PLUS Gold ATX Power Supply2,510$279Compare
Zephyra PW-6746 Prime 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,143$189Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1661 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/3351350 (accessed 2026-10-25).