Are you tired of staring at your computer’s loading screen, waiting for what feels like an eternity for your operating system to boot up? If so, it’s time to upgrade to a Solid State Drive (SSD), and Lexar offers some fantastic options. An SSD for your boot drive can dramatically cut down boot times, make applications launch almost instantly, and give your entire system a snappier, more responsive feel.
Lexar has a solid reputation for reliable and high-performing storage solutions, and their SSD lineup is no exception. In this guide, we’ll dive into some of the Lexar best SSD for boot drive choices, helping you find the perfect match to inject new life into your desktop or laptop. We’ve hand-picked five top Lexar SSDs, breaking down what makes each one special, so you can make an informed decision. Let’s get your PC kicking things into high gear!
Lexar 2TB ES3 External SSD

While primarily an external drive, the Lexar ES3 boasts impressive speeds that could even make it a contender for a blazing-fast portable operating system or as an exceptionally quick external storage solution for resource-intensive applications. What truly makes this drive stand out is its robust construction, including built-in graphite sheets for excellent heat dissipation and a 2-meter drop resistance, making it ideal for those who need serious speed on the go without worrying about durability. It’s a powerhouse for transferring large files quickly, perfect for creative professionals or anyone needing rapid backups.
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Key Features:
- Up to 1050MB/s read and 1000MB/s write speeds, significantly faster than traditional HDDs
- Super-fast backups and instant storage expansion
- Built-in double-layer graphite sheets for enhanced heat dissipation
- Drop-resistant up to 2 meters for excellent durability
- Plug-and-play compatibility with 2-in-1 USB-C/USB-A cable for wide device support
- Includes Lexar DataShield 256-bit AES encryption software and Lexar Recovery Tool
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Pros:
- Extremely fast sequential read/write speeds
- Excellent durability with drop resistance and heat management
- Wide compatibility with various devices
- Includes valuable data security and recovery software
- Large 2TB capacity for extensive storage needs
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Cons:
- External drive, so not ideal for a standard internal boot drive setup
- Might be overkill if you only need basic external storage
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User Impressions: Users frequently praise the ES3 for its incredible speed and robust build quality. Many highlight its convenience for transferring large video files or as a reliable backup drive. The included encryption software is a bonus for those concerned about data security.
Lexar 2TB NS100 SSD 2.5 Inch SATA III Internal Solid State Drive

If you’re looking for a straightforward, high-capacity internal upgrade, the Lexar 2TB NS100 SSD is an excellent choice. This 2.5-inch SATA III drive is perfectly suited to be your new Lexar best SSD for boot drive, offering a massive 2TB of storage along with significantly faster startups and application loads compared to a traditional hard drive. It’s designed to breathe new life into older laptops and desktops, providing a noticeable boost in overall system responsiveness without breaking the bank.
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Key Features:
- Upgrade your laptop or desktop for faster startups, data transfers, and application loads
- Sequential read speeds of up to 550MB/s
- More reliable and faster performance than traditional hard drives
- Shock and vibration resistant with no moving parts
- High endurance with 960TBW (Terabytes Written)
- Three-year limited product support
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Pros:
- Excellent value for its large 2TB capacity
- Significant performance improvement over HDDs
- High reliability and durability due to solid-state design
- Easy installation for most laptops and desktops
- Generous endurance rating
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Cons:
- SATA III interface won’t match NVMe speeds (though still very fast for most users)
- Limited to 2.5-inch bay compatibility
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User Impressions: Customers love the NS100 for its ease of installation and the immediate, noticeable speed improvement it brings to their systems. The 2TB capacity is often cited as a major plus, allowing users to store their OS, programs, and a good chunk of data all on one fast drive.
Lexar 256GB NS100 SSD 2.5 Inch SATA III Internal Solid State Drive

For those on a tighter budget or with less demanding storage needs, the Lexar 256GB NS100 SSD provides a fantastic entry point into the world of solid-state performance. This drive is ideal if you just want to get your operating system and a few essential applications onto a speedy drive, making it a very practical Lexar best SSD for boot drive for older machines or secondary systems. It delivers the same reliability and speed benefits of its larger counterparts, ensuring your everyday computing tasks feel much smoother.
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Key Features:
- Upgrade your laptop or desktop for faster startups, data transfers, and application loads
- Sequential read speeds of up to 520MB/s
- Faster performance and more reliable than traditional hard drives
- Shock and vibration resistant with no moving parts
- Endurance rating of 120TBW
- Three-year limited warranty
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Pros:
- Very affordable way to upgrade to SSD speed
- Excellent for OS and essential program installations
- Reliable and durable design
- Easy to install in compatible systems
- Noticeable performance boost over HDDs
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Cons:
- Limited capacity might require external storage for large files
- Slightly lower read speed than the 2TB model
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User Impressions: Reviewers frequently recommend the 256GB NS100 as an excellent budget-friendly upgrade. Many highlight how it revitalized their old laptops, turning sluggish machines into responsive powerhouses for daily tasks like web browsing and document editing.
Lexar 128GB NS100 SSD 2.5 Inch SATA III Internal Solid State Drive

The Lexar 128GB NS100 SSD is the most budget-friendly option in this lineup, perfect for minimalists or those looking to replace a very old, slow hard drive without spending much. While 128GB won’t hold a massive game library, it’s more than enough for your operating system and core applications, delivering a significant speed upgrade that makes your PC feel brand new. It’s a great choice if you’re exploring the benefits of an SSD and want the most cost-effective Lexar best SSD for boot drive solution for basic computing.
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Key Features:
- Upgrade your laptop or desktop for faster startups, data transfers, and application loads
- Sequential read speeds of up to 520MB/s
- Faster performance and more reliable than traditional hard drives
- Shock and vibration resistant with no moving parts
- Endurance rating of 60TBW
- Three-year limited warranty
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Pros:
- Extremely affordable price point
- Provides a substantial speed boost for OS and core apps
- Durable and reliable with no moving parts
- Simple installation process
- Ideal for older systems or secondary PCs
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Cons:
- Very limited storage capacity; not suitable for extensive data or many large games
- Best used in conjunction with a secondary, larger storage drive
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User Impressions: Users appreciate the 128GB NS100 for its incredible value. It’s often chosen for upgrading older family computers or as a dedicated boot drive for a very lean system, with many noting the dramatic improvement in boot times and overall system snappiness.
Lexar 1TB Professional Go Portable SSD w/Hub

Designed with creative professionals in mind, the Lexar 1TB Professional Go Portable SSD isn’t just a fast external drive; it’s a versatile tool with an integrated hub. While an external drive isn’t typically used as a permanent internal boot drive, its blazing-fast speeds (up to 1050MB/s read and 1000MB/s write) make it an exceptional choice for running demanding applications directly from the drive, capturing Apple ProRes footage, or even hosting a portable operating system for on-the-go productivity. Its rugged, IP65-rated design means it’s ready for any adventure.
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Key Features:
- Ultra-compact design for ultimate portability
- Wireless plug-and-play Type-C connector (ensure firm insertion)
- Capable of capturing brilliant Apple ProRes footage
- Integrated hub with four USB Type-C ports for ultimate flexibility
- Blazing-fast performance up to 1050MB/s read and 1000MB/s write
- Dust-proof, water-resistant (IP65 rated), and drop-resistant up to 1 meter
- Five-year limited warranty
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Pros:
- Extreme portability and compact design
- Incredibly fast speeds suitable for professional media workflows
- Integrated USB-C hub adds significant utility
- Highly durable and weather-resistant
- Long 5-year warranty for peace of mind
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Cons:
- Primarily an external, portable drive, not a typical internal boot drive
- Higher price point due to features and performance
- Might require firm insertion of the Type-C connector
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User Impressions: Creative professionals especially rave about this drive, praising its speed for video editing, the convenience of the integrated hub, and its ruggedness. Many find it indispensable for fieldwork and quickly offloading large media files.
Conclusion: Finding Your Speed Boost
Upgrading to an SSD as your boot drive is one of the most impactful changes you can make to your computer’s performance. Lexar offers a compelling range, whether you’re looking for an internal upgrade to revitalize an old system or a lightning-fast external solution for demanding tasks.
For a traditional internal Lexar best SSD for boot drive, the Lexar NS100 series (available in 2TB, 256GB, and 128GB) offers excellent value, reliability, and a significant speed boost over conventional hard drives. These drives will dramatically improve your operating system’s boot times and application loading speeds.
If your needs lean more towards high-speed external storage, perhaps for a portable OS or demanding professional workflows, the Lexar ES3 External SSD and the Professional Go Portable SSD with Hub deliver exceptional performance and rugged durability. No matter your specific requirements, Lexar has a solid-state drive that can help you unleash your system’s full potential.
FAQ Section
Q1: Why should I use an SSD for a boot drive instead of a traditional HDD?
A1: SSDs (Solid State Drives) offer significantly faster read and write speeds compared to traditional HDDs (Hard Disk Drives) because they use flash memory instead of spinning platters. This means your operating system will boot up much quicker, applications will launch almost instantly, and your overall system responsiveness will be dramatically improved. They’re also more durable and consume less power.
Q2: What is the ideal capacity for a Lexar best SSD for boot drive?
A2: It depends on your needs. For just the operating system and essential applications, 256GB is a good starting point. If you want to include some games or more software, 500GB or 1TB is often recommended. A 2TB SSD provides ample space for everything, including a large media library, making it a versatile choice.
Q3: Can I use an external Lexar SSD as a boot drive?
A3: Technically, yes, you can. Modern operating systems can be installed and run from external SSDs, making them great for portable setups or troubleshooting. However, for a primary, permanent boot drive, an internal SSD is generally preferred due to better integration, consistent power delivery, and typically higher sustained performance compared to external interfaces, especially on older USB ports. The Lexar ES3 and Professional Go Portable SSDs are incredibly fast, making them viable for such scenarios if desired.
Q4: Is it difficult to install a Lexar internal SSD?
A4: For most desktop computers and many laptops, installing a 2.5-inch SATA III SSD like the Lexar NS100 series is quite straightforward. It typically involves opening your computer case, finding an available 2.5-inch drive bay, connecting a SATA data cable and a SATA power cable, and then securing the drive. Many manufacturers provide migration tools to easily transfer your existing operating system.
Q5: What is TBW, and why is it important for an SSD?
A5: TBW stands for “Terabytes Written,” and it’s a measure of an SSD’s endurance – how much data can be written to the drive over its lifetime before it might start to degrade. A higher TBW rating indicates a more durable drive that can handle more write cycles. For a boot drive, which experiences frequent writes, a good TBW rating ensures long-term reliability.
Q6: Will using an SSD for my boot drive improve gaming performance?
A6: Yes, to a certain extent. While an SSD won’t directly boost your game’s frame rates (that’s mostly dependent on your CPU and GPU), it will drastically reduce game loading times, map loading times, and asset streaming, making for a much smoother and faster gaming experience, especially in open-world titles.
Q7: How can I migrate my existing operating system to a new Lexar SSD?
A7: Many SSD manufacturers, including Lexar, offer or recommend cloning software. You’ll connect your new Lexar SSD to your computer (either internally or via an external USB adapter), use the cloning software to copy your entire old drive’s contents (including the operating system, programs, and files) to the new SSD, and then swap out the old drive for the new one. Always back up your data before starting this process!