The 4GB RAM memory from PHS-memory is specifically designed for the Sony VAIO VPCSA3X9E/XI model, providing a reliable and powerful upgrade to your system's memory. With a storage capacity of 4 gigabytes and a clock frequency of 1333 MHz, this DDR3 SO-DIMM RAM enhances system performance and enables smooth multitasking. Its compatibility with the Sony VAIO VPCSA3X9E/XI ensures easy installation and optimal functionality. This memory is ideal for users looking to boost their laptop's performance, whether for everyday applications or more demanding tasks. With a voltage of 1.5 volts and 204 pins, this RAM is an efficient choice for system upgrades.

• 100% compatible with Sony VAIO VPCSA3X9E/XI
• DDR3 RAM with a clock frequency of 1333 MHz
• SO-DIMM form factor for easy installation
• Energy-efficient with a 1.5-volt operating voltage.