Hardware Spec Index

Caldera PW-1359 Ultra 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW1359-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index753 (Power Supplies scale)
Category rank#2,843
Street price$39
Power550 W (rated)
Performance per dollar19.31
Released2020

Specifications

BrandCaldera
ModelCaldera PW-1359 Ultra
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Teralux PW-8303 Ultra 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,793$399Compare
Caldera PW-8465 Prime 1300W 80 PLUS Platinum ATX Power Supply2,376$219Compare
Novexa PW-6792 Plus 750W 80 PLUS Bronze ATX 3.0 Power Supply991$49Compare
Vantrel PW-2561 XT 1000W 80 PLUS Titanium ATX 3.1 Power Supply2,185$209Compare
Caldera PW-6226 Core 1000W 80 PLUS Platinum SFX Power Supply1,871$149Compare
Teralux PW-9924 Core 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,826$379Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1359 Ultra 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/7909097 (accessed 2026-10-25).