Hardware Spec Index

Caldera PW-6273 XT 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW6273-XT · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index896 (Power Supplies scale)
Category rank#9,995
Street price$39
Power550 W (rated)
Performance per dollar22.97
Released2020

Specifications

BrandCaldera
ModelCaldera PW-6273 XT
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
Fan140 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
Caldera PW-4713 Ultra 750W 80 PLUS Gold ATX Power Supply1,267$79Compare
Novexa PW-5131 XT 550W 80 PLUS Gold ATX 3.0 Power Supply1,099$69Compare
Vantrel PW-4206 XT 550W 80 PLUS Gold ATX 3.1 Power Supply979$39Compare
Vantrel PW-7607 Ultra 750W 80 PLUS Gold SFX Power Supply1,159$59Compare
Zephyra PW-5855 Edge 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,221$219Compare
Caldera PW-1840 XT 850W 80 PLUS Gold ATX Power Supply1,486$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6273 XT 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/3679565 (accessed 2026-10-19).