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

Overview

The Seagate ST9500420AS is a 500GB internal hard drive designed for laptops and compact systems that require reliable storage with consistent performance. It features a 2.5-inch form factor and operates at 7,200 RPM, delivering faster data access and responsiveness compared to slower drives. With a SATA 3.0Gb/s interface and 16MB cache, this drive balances capacity and speed, making it a strong choice for users upgrading older laptops or building small-form-factor PCs.

Key features

• 7,200 RPM spindle speed that enhances data access times for smoother everyday computing
• Native Command Queuing optimizes read and write commands to improve multitasking efficiency
• 16MB onboard cache boosts performance by temporarily storing frequently accessed data
• Compact 2.5-inch size fits easily into laptops and other space-constrained devices
• Reliable storage capacity of 500GB suitable for applications, media, and file storage
• Low average latency of 4.17 milliseconds ensures quick response times
• Fast seek times of 11.0 ms for reads and 13.0 ms for writes support smooth data retrieval and saving

Key specs

• Storage capacity: 500GB
• Form factor: 2.5-inch
• Interface: SATA 3.0Gb/s
• Spindle speed: 7,200 RPM
• Cache size: 16MB
• Average latency: 4.17 milliseconds
• Random seek time (read): 11.0 ms
• Random seek time (write): 13.0 ms

Ideal uses and environments

This hard drive fits well in laptops and compact desktop systems where space is limited but performance remains important. It is well suited to users who need dependable internal storage for everyday tasks such as running applications, storing media files, and managing documents. Its speed and capacity make it a practical upgrade for older laptops or a solid choice for building small workstations that require responsive storage without moving to SSDs.