DDR 266 or 333?

[markuus]

Hello, I have a pcv-rx413n with 256 mb ddr 266 mhz, can i buy a 512 mb ddr 333 ram modul??? where can i look if the motherboard accept it (sorry for my english,i´m a novice)
thanks for help

[kee-lo_]

The specs should be on the website or in the PDFs on the hard disk.