Hardware Spec Index

Caldera PW-6990 XT 550W 80 PLUS Gold ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW6990-XT · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index1,152 (Power Supplies scale)
Category rank#20,577
Street price$69
Power550 W (rated)
Performance per dollar16.70
Released2023

Specifications

BrandCaldera
ModelCaldera PW-6990 XT
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (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
Novexa PW-8311 Max 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,227$219Compare
Vantrel PW-5490 Ultra 550W 80 PLUS Bronze ATX Power Supply839$39Compare
Zephyra PW-2835 Edge 850W 80 PLUS Gold ATX Power Supply1,318$69Compare
Teralux PW-5944 Plus 850W 80 PLUS Gold SFX Power Supply1,595$119Compare
Teralux PW-4827 SE 550W 80 PLUS Bronze SFX Power Supply837$39Compare
Caldera PW-3475 Ti 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,624$279Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6990 XT 550W 80 PLUS Gold ATX 3.0 Power Supply”, https://vextor7.com/item/22015412 (accessed 2026-10-22).