Sony Vaio PCV-RX550 power supply replacements.
The following product(s) are recommended for Sony Vaio PCV-RX550. All items in the list are compatible replacements for Sony Vaio PCV-RX550 power supplies:
This 400 watt power supply is the replacement/upgrade you've been looking for in your Sony Vaio computers that use the weird shaped power suppy. The part numbers for those sony vaio power supplies are typically MJPC-300A2 or MJPC-270A1. This specially manufactured power supply is designed to be a perfect fit into your Sony Vaio.
This Sony MJPC-270A1 power supply replacement will work in Sony computers that use the MJPC-270A1 power supply. A number of Sony Vaio computers use this power supply, and the one we offer here is a small upgrade to 300 watts instead of the original 270 watts. If your computer uses the MJPC-270A1 power supply then this power supply has been manufactured to fit without any modification.

Disclaimer: This power supply cross reference chart is for informational purposes and reflects only the opinion of the author. The sole responsibility rests with the buyer when selecting a power supply for a computer. This power supply cross reference is simply here to offer help and suggestions based on previous experience, and though extremely accurate, offers no guarantees.