The Approved Technology 487652-B21-C is a 4GB (1x4GB) PC3-10600R (DDR3-1333) Registered CAS-9 Memory Kit designed to enhance the performance and reliability of your server. This memory module is ideal for applications requiring high bandwidth and low latency. Registered memory modules offer improved stability and error correction, making them suitable for critical server environments. Supreme Components International is an authorised distributor of Approved Technology, ensuring you receive a genuine and high-quality product. This memory kit is a cost-effective solution to improve your server's overall performance and responsiveness, allowing it to handle demanding workloads with ease. Upgrade your server today and experience the difference.