The WD Red Plus WD30EFPX is a high-performance internal hard drive designed specifically for small to medium business NAS environments. With a capacity of 3 TB and a 256 MB buffer, this 3.5" SATA drive is optimized for RAID configurations, ensuring reliable data storage and sharing. Its advanced NASware 3.0 technology enhances compatibility and performance, making it ideal for power users who require efficient data management. The drive operates 24/7, providing peace of mind for continuous data access and protection.