Hardware Spec Index

Caldera PW-1681 Max 750W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW1681-MAX · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,415 (Power Supplies scale)
Category rank#18,047
Street price$89
Power750 W (rated)
Performance per dollar15.90
Released2022

Specifications

BrandCaldera
ModelCaldera PW-1681 Max
Rated output750 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-1993 Edge 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,850$319Compare
Teralux PW-9066 Prime 550W 80 PLUS Gold ATX Power Supply982$39Compare
Caldera PW-4101 Ti 1000W 80 PLUS Gold ATX Power Supply2,157$179Compare
Zephyra PW-2469 Plus 550W 80 PLUS Bronze ATX 3.1 Power Supply1,114$59Compare
Teralux PW-2121 Plus 550W 80 PLUS Gold SFX Power Supply1,152$59Compare
Vantrel PW-2714 Core 1000W 80 PLUS Platinum ATX Power Supply1,925$199Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1681 Max 750W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/396750 (accessed 2026-10-19).