The 2GB RAM memory from PHS-memory is specifically designed for the Sony VAIO VGN-NR21S/S model and offers a reliable and powerful expansion of the system memory. With a storage capacity of 2 gigabytes and a clock frequency of 667 MHz (PC2-5300S), this DDR2 SO-DIMM RAM enhances system performance and enables smooth multitasking. Its compatibility with the Sony VAIO VGN-NR21S/S ensures easy installation and seamless integration into existing systems. The RAM is equipped with 200 pins and operates at a voltage of 1.8 volts, making it an energy-efficient choice for users looking to boost their laptop's performance.

• 100% compatible with Sony VAIO VGN-NR21S/S
• Storage capacity of 2GB for improved performance
• Clock frequency of 667 MHz for optimized speed
• Energy-efficient with a 1.8 Volt operating voltage.