The ST1000LM048 Seagate 2E7172-500 1TB 5.4K RPM 6Gb/s 2.5" SATA HDD Hard Drive is a high-quality internal hard drive from Seagate's Barracuda product line. With a storage capacity of 1TB and a rotation speed of 5400 RPM, this HDD is designed for efficient data storage and retrieval. Featuring advanced format technology and a cache size of 128 MB, this hard drive offers reliable performance for various computing needs. Its 2.5-inch form factor makes it compatible with a wide range of devices, making it a versatile choice for expanding storage capacity in your system.