Seagate Mobile HDD 1TB 2.5" 5400RPM SATA 6Gb/s Internal HDD

Overview

The Seagate ST1000LM035 is a 1 TB internal hard drive designed for laptops, all-in-one PCs, and compact desktops that accommodate a 2.5-inch drive bay with a 7 mm height. It offers reliable storage with a SATA 6 Gb/s interface and a 5400 rpm motor, delivering sustained transfer rates around 100 MB/s. This combination makes it suitable for everyday tasks like booting operating systems, managing large media libraries, and running office applications quietly and efficiently.

Key features

• 1 TB capacity provides ample space for operating systems, games, and extensive media collections.
• Compact 2.5-inch form factor with 7 mm height fits slim notebooks and many external USB enclosures.
• SATA 6 Gb/s interface paired with a 128 MB cache accelerates file transfers and application loading times.
• 5400 rpm motor balances performance with low noise and heat generation, ideal for quiet environments.
• Shingled magnetic recording and advanced 512e format maximize data density within a small physical footprint.
• Built-in shock resistance up to 400 g during operation protects data against bumps and drops.
• Designed for durability with an estimated 600,000 load and unload cycles, supporting frequent use and travel.
• Includes a two-year limited warranty for added confidence in long-term reliability.

Key specs

• Capacity: 1 TB
• Form factor: 2.5-inch
• Height: 7 mm
• Interface: SATA 6 Gb/s
• Cache: 128 MB
• Spindle speed: 5400 rpm
• Sustained transfer rate: approximately 100 MB/s
• Recording technology: shingled magnetic recording (SMR) with 512e format
• Shock resistance: up to 400 g during operation
• Load/unload cycles: estimated 600,000

Connectivity and compatibility

This drive connects via a SATA 6 Gb/s interface, ensuring compatibility with most modern laptops, ultrabooks, and compact desktops that support 2.5-inch drives. It also works well in many external USB enclosures designed for 7 mm height drives, making it a flexible choice for internal upgrades or external backup solutions.

Ideal uses and environments

The ST1000LM035 fits well in setups where a balance of storage capacity, quiet operation, and energy efficiency is important. It suits users refreshing older laptops, expanding storage on mini-PCs, or building lightweight external drives for media backup. Its shock resistance and durability make it a practical option for mobile professionals and students who carry their devices frequently.