Hardware Spec Index

Caldera PW-6451 Max 650W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW6451-MAX · Released 2026 · Updated 2026-10-18

Key facts

Benchmark index876 (Power Supplies scale)
Category rank#38,846
Street price$39
Power650 W (rated)
Performance per dollar22.46
Released2026

Specifications

BrandCaldera
ModelCaldera PW-6451 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
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
Caldera PW-7599 XT 650W 80 PLUS Bronze ATX 3.1 Power Supply1,249$69Compare
Novexa PW-3692 Max 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,833$349Compare
Vantrel PW-8898 Max 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,900$399Compare
Teralux PW-1526 Edge 1000W 80 PLUS Gold ATX 3.1 Power Supply1,743$139Compare
Vantrel PW-4975 Max 650W 80 PLUS Gold SFX Power Supply1,267$69Compare
Teralux PW-4346 Ti 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,586$319Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6451 Max 650W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/1925386 (accessed 2026-10-18).