Hardware Spec Index

Caldera PW-5301 Ultra 550W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW5301-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index1,095 (Power Supplies scale)
Category rank#17,723
Street price$59
Power550 W (rated)
Performance per dollar18.56
Released2024

Specifications

BrandCaldera
ModelCaldera PW-5301 Ultra
Rated output550 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
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
Zephyra PW-7081 SE 550W 80 PLUS Bronze ATX 3.1 Power Supply839$39Compare
Teralux PW-3460 Pro 850W 80 PLUS Gold ATX Power Supply1,780$119Compare
Zephyra PW-1681 Ti 850W 80 PLUS Gold SFX Power Supply1,737$149Compare
Vantrel PW-3591 SE 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,745$369Compare
Caldera PW-3624 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply2,022$199Compare
Teralux PW-7913 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,638$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5301 Ultra 550W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/75534180 (accessed 2026-10-24).