Hardware Spec Index

Caldera PW-2271 Max 650W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW2271-MAX · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,073 (Power Supplies scale)
Category rank#40,139
Street price$49
Power650 W (rated)
Performance per dollar21.90
Released2025

Specifications

BrandCaldera
ModelCaldera PW-2271 Max
Rated output650 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-pin1×
Form factorATX
ModularityFully modular
Fan140 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
Novexa PW-9251 SE 750W 80 PLUS Bronze ATX 3.1 Power Supply1,386$99Compare
Novexa PW-9914 Ti 550W 80 PLUS Gold ATX 3.0 Power Supply1,081$59Compare
Caldera PW-5449 Max 1200W 80 PLUS Gold ATX Power Supply2,215$209Compare
Teralux PW-7766 Ti 750W 80 PLUS Gold ATX 3.1 Power Supply1,606$99Compare
Vantrel PW-8038 Prime 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,519$349Compare
Teralux PW-1993 Edge 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,526$329Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2271 Max 650W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/3420697 (accessed 2026-10-21).