The Western Digital WD Purple WD11PURZ 1TB 3.5" SATA III hard disk drive is designed for continuous use in 24/7 systems. With a storage capacity of 1TB and a rotation speed of 5400 RPM, this internal desktop drive is suitable for PCs and offers read speeds of up to 175MB/s. It features a cache size of 64MB and a transfer rate of 6 Gbps, making it ideal for high-performance computing tasks. The WD Purple product line from Western Digital is known for its reliable and efficient storage solutions, ensuring a dependable storage experience for users. COMES EXACTLY AS SHOWN. NO REFUNDS NO RETURNS THANK YOU!!