Seagate Momentus 500GB 2.5" 7200RPM SATA 3Gb/s HDD

The Seagate ST9500420AS is a 500GB internal hard drive designed for laptops and compact systems that need reliable storage with consistent performance. It features a 2.5-inch form factor, making it a great fit for devices where space is limited but speed cannot be compromised.

This drive connects via a SATA 3.0Gb/s interface and includes Native Command Queuing, which helps improve multitasking by optimizing the order of read and write commands. With a spindle speed of 7,200 RPM and a 16MB cache, it delivers faster data access compared to drives with lower rotational speeds. The average latency of 4.17 milliseconds and seek times of 11.0 ms for reads and 13.0 ms for writes ensure smooth performance for everyday computing tasks, whether you’re working on a small-form-factor PC or a mobile workstation.

Its balance of capacity, speed, and size makes it suitable for users who need dependable internal storage for applications, media, and files without sacrificing responsiveness. Whether you’re upgrading an older laptop or building a compact system, this drive offers a solid combination of performance and storage space.

Highlights:

• 500GB storage capacity
• SATA 3.0Gb/s interface with Native Command Queuing for better multitasking
• 7,200 RPM spindle speed for faster data access
• 16MB onboard cache to improve performance
• 2.5-inch size fits laptops and compact devices
• Average latency of 4.17 milliseconds
• Random seek times: 11.0 ms for reads, 13.0 ms for writes