Hardware Spec Index

Caldera PW-5590 Ti 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW5590-TI · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index803 (Power Supplies scale)
Category rank#19,783
Street price$39
Power550 W (rated)
Performance per dollar20.59
Released2019

Specifications

BrandCaldera
ModelCaldera PW-5590 Ti
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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-6741 Edge 750W 80 PLUS Gold SFX Power Supply1,261$69Compare
Zephyra PW-6309 XT 1200W 80 PLUS Gold ATX Power Supply2,183$219Compare
Novexa PW-8242 Plus 1300W 80 PLUS Titanium ATX Power Supply2,980$359Compare
Zephyra PW-6384 Plus 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,869$149Compare
Novexa PW-6040 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,450$99Compare
Novexa PW-3151 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply1,698$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5590 Ti 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/11634665 (accessed 2026-10-19).