The 2GB RAM memory from PHS-memory is specifically designed for the Sony VAIO VGN-SZ4MN/B model and provides a reliable and powerful upgrade to the system's memory. With a memory clock frequency of 667 MHz and DDR2 SO-DIMM technology, this RAM ensures optimal performance for everyday applications and multitasking. The 100% compatibility with the Sony VAIO VGN-SZ4MN/B means users can expect easy installation and smooth operation. The RAM is rated for a voltage of 1.8 volts and features 200 pins, making it an ideal choice for system upgrades. This memory module configuration enhances the laptop's performance and improves the user experience.

• 100% compatible with Sony VAIO VGN-SZ4MN/B
• Memory clock frequency of 667 MHz for improved performance
• Easy installation thanks to SO-DIMM form factor.