Ever wondered what makes your SSD tick or how to squeeze every last drop of performance out of it? It’s not just about raw speed; sometimes, the little things, like your drive’s “allocation unit size,” can make a real difference. If you’re using a Lexar SSD, especially a compact one, understanding this setting can help you optimize its efficiency and speed. While 120GB SSDs might not be as common today as their larger cousins, the principles for choosing the Lexar best allocation unit size for 120gb SSD (or any Lexar SSD, for that matter) remain crucial for optimal SSD performance.
In this guide, we’re going to demystify allocation unit size and then dive into some of the best Lexar SSDs on the market, showcasing why they’re fantastic choices for various needs, all while keeping that optimization mindset in mind. Let’s get your storage performing its absolute best!
Understanding Allocation Unit Size (AUS) for Your Lexar SSD
Before we jump into the products, let’s quickly talk about what allocation unit size (also known as “cluster size”) actually is. When you format an SSD, you’re essentially dividing it into tiny storage blocks. The allocation unit size is the smallest block of space that your operating system (like Windows) can use to store a file. Even if a file is smaller than this block, it will still take up the entire block.
Why does this matter for your Lexar SSD?
- Efficiency: If you have many small files and a large AUS, you’re wasting space. Imagine putting a tiny pebble in a shoebox – the pebble only takes up a fraction, but the whole shoebox is now “occupied.”
- Performance: A smaller AUS might lead to more fragmentation over time, potentially slowing down access for very large files, as the drive has to fetch data from more scattered blocks. A larger AUS can reduce fragmentation and improve performance for large sequential transfers.
- Lexar Best Allocation Unit Size for 120GB SSD (and others): For most general users, the default 4KB (4096 bytes) allocation unit size is perfectly fine. It strikes a good balance between efficiency for small files and performance for larger ones.
- If you primarily store a lot of very small files (like system files, documents), 4KB is usually ideal.
- If your Lexar SSD is mainly for large media files (videos, games, large databases) where sequential reads/writes are paramount, you might consider a larger size like 16KB, 32KB, or even 64KB. This can potentially boost performance for those specific tasks by reducing the number of access operations. However, be aware of the potential for wasted space with smaller files.
For the purpose of optimizing your Lexar SSD, especially a 120GB model often used for an operating system or specific applications, sticking with the default 4KB for NTFS formatting is generally the safest and most recommended option for balanced performance and storage efficiency.
Now, let’s explore some fantastic Lexar SSDs that benefit from these optimization principles!
Product Reviews: Top Lexar SSDs for Diverse Needs
Here are 10 excellent Lexar SSDs, designed for various applications, all ready to deliver top-tier performance when configured optimally.
1. Lexar 1TB Professional Go Portable SSD w/Hub
This portable powerhouse isn’t just an SSD; it’s a mobile workstation! Its standout feature is the integrated hub with four USB Type-C ports, transforming your on-the-go setup. Designed for spontaneous creativity, it lets you capture high-quality Apple ProRes footage and back it up instantly, making it a perfect companion for content creators and professionals who need blazing speed and flexible connectivity wherever they are.
- Ultra-compact design for portability
- Wireless plug-and-play Type-C connector (ensures no tangled cables)
- Supports Apple ProRes footage capture
- 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), and drop-resistant up to 1 meter
- Five-year limited warranty
Pros:
– Excellent for on-the-go content creation with integrated hub
– High read/write speeds for 4K recording and fast backups
– Rugged design for durability
– Offers great versatility with included adapters and cables
Cons:
– May be an overkill for basic storage needs
– Wireless connector needs firm insertion to ensure connection
User Impressions: Users love the convenience of the integrated hub, calling it a game-changer for mobile workflows. The speed and ruggedness are frequently praised, making it a reliable choice for professional use.
2. Lexar 2TB ES3 External SSD
If speed and reliability are your top priorities for an external drive, the Lexar ES3 delivers. This drive boasts speeds 9.5X faster than traditional HDDs, making backups and large file transfers lightning-quick. Its robust design includes advanced heat dissipation and drop resistance, ensuring your data stays safe even during intensive use or accidental bumps. Plus, with built-in encryption and recovery tools, your files are secure and retrievable.
- Up to 1050MB/s read and 1000MB/s write speeds
- Super-fast backups and instant storage expansion
- Double-layer graphite sheets for enhanced heat dissipation
- Drop-resistant up to 2 meters for durability
- Plug-and-play compatibility with 2-in-1 USB-C/USB-A cable
- Includes Lexar DataShield 256-bit AES encryption software
- Access to Lexar Recovery Tool for deleted files
Pros:
– Exceptional speed for quick transfers and backups
– Effective thermal management keeps the drive cool
– Very durable and resistant to drops
– Comprehensive data security features
Cons:
– External drives can be misplaced more easily than internal ones
– Full speed might depend on the host device’s USB port
User Impressions: Customers frequently highlight the impressive speed and robust build quality. The included encryption and recovery software are often cited as valuable additions for peace of mind.
3. Lexar 4TB Play SSD with Heatsink PCIe Gen 4×4 NVMe
Gamers, rejoice! The Lexar PLAY SSD is tailor-made to elevate your gaming experience, especially for PS5 and PC gaming. With blazing-fast PCIe Gen 4×4 speeds and a dedicated heatsink, it ensures minimal load times and smooth gameplay. Its 4TB capacity means you’ll rarely need to delete games, and the integrated heatsink ensures sustained performance during intense sessions, preventing thermal throttling.
- Designed to enhance PS5 and PC gaming
- 7400MB/s max read and 6500MB/s max write speeds
- Tested and approved for PS5 console storage
- Includes unique heatsink for effortless installation and cooling
- HMB and SLC Dynamic cache for improved PC gaming performance
- Five-year limited warranty
Pros:
– Dramatically reduces game load times
– Excellent capacity for a vast game library
– Effective cooling with integrated heatsink
– Compatible with both PS5 and high-end PCs
Cons:
– Requires a PCIe Gen 4 slot for full performance
– Not necessary for casual gamers with smaller libraries
User Impressions: Gamers consistently praise the incredible speed and the convenience of having so much storage for their PS5. The heatsink is a big plus, keeping temperatures down even during extended play.
4. Lexar 128GB NS100 SSD 2.5 Inch SATA III Internal Solid
This 128GB NS100 SSD is an ideal entry-level upgrade for older laptops or desktops still running traditional hard drives. It’s a fantastic way to experience the benefits of SSD speed without breaking the bank. For those looking for the Lexar best allocation unit size for 120gb SSD equivalent for an OS drive, this 128GB model offers a perfect practical solution for faster boot-ups and snappier application loads, transforming an old machine into a much more responsive system.
- Upgrades laptops/desktops for faster performance
- Sequential read speeds of up to 520MB/s
- More reliable and faster than traditional hard drives
- Shock and vibration resistant with no moving parts
- [128GB] 60TBW endurance rating
- Three-year limited warranty
Pros:
– Significant speed boost over HDDs
– Highly durable due to no moving parts
– Very affordable upgrade option
– Low power consumption
Cons:
– Lower capacity may be limiting for extensive storage
– SATA III speeds are slower than NVMe drives
User Impressions: Users are consistently impressed with how this small upgrade breathes new life into older computers, praising the noticeable improvements in boot times and general system responsiveness.
5. Lexar 2TB Professional Go Portable SSD w/Hub
This is the larger, even more versatile sibling of the 1TB Professional Go. With 2TB of storage, it offers ample space for extensive creative projects while retaining all the incredible features of the 1TB version. The integrated hub and robust design make it an indispensable tool for filmmakers, photographers, and anyone who needs high-speed storage and flexible connectivity in challenging environments.
- Ultra-compact for spontaneous creativity on the go
- Wireless plug-and-play Type-C connector
- Ideal for capturing brilliant Apple ProRes footage
- Integrated hub with four USB Type-C ports
- Blazing-fast performance up to 1050MB/s read and 1000MB/s write
- Dust-proof, water-resistant (IP65), and drop-resistant up to 1 meter
- Five-year limited warranty
Pros:
– High capacity ideal for large projects
– All the benefits of the 1TB model with more storage
– Extremely durable and reliable for outdoor use
– Exceptional speed for professional media workflows
Cons:
– Premium price point
– May still require firm insertion for stable connection
User Impressions: Professionals rave about the generous capacity combined with the integrated hub. It’s considered an essential piece of gear for mobile production, handling large files and demanding tasks with ease.
6. Lexar 2TB NS100 SSD 2.5 Inch SATA III Internal Solid
For those needing a substantial upgrade from a traditional HDD or expanding their laptop’s storage, the Lexar 2TB NS100 is an excellent choice. It offers ample space for games, applications, and media, coupled with the reliability and speed benefits of solid-state technology. This drive is a straightforward, reliable upgrade that significantly boosts overall system responsiveness without requiring a motherboard with NVMe slots.
- Great for upgrading laptops or desktops
- Sequential read speeds of up to 550MB/s
- More reliable and faster than traditional hard drives
- Shock and vibration resistant
- [2TB] 960TBW endurance rating
- Three-year limited product support
Pros:
– High capacity for extensive storage needs
– Noticeably faster than traditional hard drives
– Enhanced durability with no moving parts
– Cost-effective storage expansion
Cons:
– Limited by SATA III interface speeds
– Not as fast as NVMe alternatives
User Impressions: Users appreciate the seamless installation and the dramatic improvement in system speed. Many highlight its value as a reliable and spacious storage upgrade for older systems.
7. Lexar 1TB ES5 Magnetic External SSD
The Lexar ES5 is a sleek, high-performance external SSD with a unique trick: a MagSafe-compatible design. This allows it to effortlessly attach to compatible smartphones, making it perfect for mobile content creators who shoot in high resolutions like 4K120FPS Apple ProRes or 8K 30FPS Samsung Pro Video. Its lightning-fast transfer speeds and rugged, stylish build ensure your workflow is smooth, secure, and always at your fingertips.
- Up to 2000MB/s read and 2000MB/s write speeds
- MagSafe-compatible design for easy smartphone attachment
- Supports recording Apple ProRes at 4K120FPS and Samsung Pro Video 8K 30FPS
- Includes free access to Lexar App for auto backups and mobile expansion
- Rated IP65 for dust/water resistance; drop resistant up to 3M
- Thin, stylish liquid silicone build with cable organizer/lanyard
- Thermal control design for sustained high performance
Pros:
– Incredibly fast for demanding video workflows
– Magnetic attachment is highly convenient for mobile use
– Excellent durability and protection
– Stylish design with practical accessories
Cons:
– Full speed requires USB 3.2 Gen 2×2 support
– Magnetic attachment may not be strong enough for all cases
User Impressions: Mobile videographers and photographers adore the magnetic feature and the ability to record directly to the SSD. The speed and robust protection are frequently praised, making it a favorite for on-the-go professionals.
8. Lexar 2TB ES5 Magnetic External SSD
Taking all the groundbreaking features of the 1TB ES5 and doubling the capacity, this 2TB version is for professionals who demand maximum storage without compromising on speed or portability. It’s ideal for extended shoots or larger projects requiring massive amounts of 4K or 8K footage. The magnetic attachment, ruggedness, and high-speed performance make it an indispensable tool for high-volume content creation on mobile devices.
- Up to 2000MB/s read and 2000MB/s write speeds
- MagSafe-compatible design for easy smartphone attachment
- Supports recording Apple ProRes at 4K120FPS and Samsung Pro Video 8K 30FPS
- Includes free access to Lexar App for auto backups and mobile expansion
- Rated IP65 for dust/water resistance; drop resistant up to 3M
- Thin, stylish liquid silicone build with cable organizer/lanyard
- Thermal control design for sustained high performance
Pros:
– Massive 2TB capacity for extensive video projects
– All the benefits of the 1TB model with increased storage
– Unbeatable speed for high-resolution video recording
– Superior durability and innovative design
Cons:
– Premium price for the increased capacity
– Optimal performance requires specific USB interface
User Impressions: Users who upgraded to the 2TB version emphasize the freedom it provides for long shooting days. The combination of capacity, speed, and mobile integration makes it a standout product in their toolkit.
9. Lexar 256GB NS100 SSD 2.5 Inch SATA III Internal Solid
A step up in capacity from the 128GB version, this 256GB NS100 SSD provides a more comfortable amount of storage for an operating system, essential applications, and some personal files. It’s an excellent choice for a budget-friendly upgrade that still offers a substantial speed boost over traditional hard drives. This size is particularly good for mainstream users looking to revitalize an aging laptop or desktop, delivering a noticeable improvement in daily computing tasks.
- Upgrades laptops/desktops for faster performance
- Sequential read speeds of up to 520MB/s
- More reliable and faster than traditional hard drives
- Shock and vibration resistant with no moving parts
- [256GB] 120TBW endurance rating
- Three-year limited warranty
Pros:
– Good balance of capacity and affordability
– Significant performance improvement over HDDs
– Highly durable and reliable
– Easy to install in most 2.5-inch drive bays
Cons:
– Still limited by SATA III speeds compared to NVMe
– May not be enough storage for extensive game libraries or media collections
User Impressions: Many users find this 256GB model to be the sweet spot for a primary boot drive, appreciating the swift boot times and responsive applications without needing to spend on higher-tier storage.
10. Lexar 1TB NM790 SSD PCIe Gen4 NVMe M.2 2280 Internal
The Lexar NM790 is a true speed demon, designed for hardcore gamers, professionals, and creators who demand nothing less than the best. With PCIe Gen4 NVMe speeds, it’s incredibly fast, offering read speeds up to 7400MB/s. Its power efficiency is also a standout, consuming up to 40% less power than other DRAM cache-enabled Gen 4 SSDs, making it perfect for high-performance laptops and even PlayStation 5 consoles.
- Exceptional performance up to 7400MB/s read, 6500MB/s write
- 2x faster than PCIe Gen 3 SSDs
- Up to 40% less power consumption than comparable Gen 4 SSDs
- Host Memory Buffer (HMB) 3.0 for smoother transfers
- Designed for hardcore gamers, professionals, and creators
- Compatible with PlayStation 5; single-sided for laptops
- Five-year limited warranty
Pros:
– Blazing-fast speeds for demanding applications and gaming
– Excellent power efficiency, great for laptops
– High endurance and reliability
– PS5 compatible for expanding gaming storage
Cons:
– Requires a PCIe Gen 4 NVMe M.2 slot
– Higher price point than SATA SSDs
User Impressions: Reviewers are consistently blown away by the speed of the NM790, noting dramatic improvements in game load times and professional application responsiveness. Its low power consumption is also a big win for laptop users.
Choosing the Right Lexar SSD for Your Needs
When selecting a Lexar SSD, consider your primary use case:
- For Gaming & High-Performance Tasks: Look for PCIe Gen 4 NVMe drives like the Lexar PLAY SSD or NM790 for unparalleled speed.
- For Mobile Content Creation: The Professional Go Portable SSDs (with hub) or the magnetic ES5 SSDs are perfect for their speed, ruggedness, and connectivity options.
- For Everyday Upgrades & Productivity: The NS100 SATA III SSDs offer excellent value and a significant boost over traditional hard drives, ideal for revitalizing older systems.
- For External Storage & Backups: The ES3 External SSD provides a balance of speed, durability, and security features.
No matter which Lexar SSD you choose, remembering the principles of allocation unit size will help you get the most out of your drive, ensuring optimal SSD performance and storage efficiency.
FAQ Section: All About Lexar SSDs and Allocation Unit Size
Q1: What exactly is “allocation unit size” (cluster size) for an SSD?
A1: Allocation unit size is the smallest block of disk space that the file system (like NTFS) can allocate to store a file. When you format an SSD, you specify this size. Even if a file is smaller than the allocation unit, it will still take up one entire unit.
Q2: What’s the Lexar best allocation unit size for 120GB SSD or any general-purpose Lexar SSD?
A2: For most general users, especially for a drive that will host an operating system and a mix of file types, the default 4KB (4096 bytes) is usually the Lexar best allocation unit size for 120gb SSD. It offers a good balance between storage efficiency for small files and performance for larger ones.
Q3: Does changing the allocation unit size improve SSD speed noticeably?
A3: The impact on speed isn’t always dramatic for everyday use. For workloads involving many large, sequential files (like video editing or large game files), a larger allocation unit size (e.g., 64KB) might offer a slight performance boost by reducing fragmentation and file system overhead. Conversely, a very small size for many tiny files can improve efficiency. For typical usage, the default 4KB is generally optimized for good performance.
Q4: What happens if I choose an allocation unit size that’s too small or too large?
A4:
* Too small: If you mostly deal with large files, a very small AUS might lead to more fragmentation, as files are split across many tiny blocks. This could slightly increase the overhead for the file system.
* Too large: If you primarily store many small files, a large AUS will waste significant space. For example, a 1KB file on a 64KB allocation unit size would still consume 64KB, leading to inefficient storage.
Q5: How do I change the allocation unit size on my Lexar SSD?
A5: You typically set the allocation unit size during the formatting process. In Windows, you can do this via Disk Management (right-click “This PC” > Manage > Disk Management), then right-click on the drive volume you want to format and select “Format…”. In the dialog box, you’ll see an option for “Allocation unit size.” Be aware that formatting a drive will erase all data on it.
Q6: Does allocation unit size affect SSD longevity?
A6: No, allocation unit size has virtually no direct impact on the longevity or lifespan of your Lexar SSD. SSD longevity is primarily determined by the quality of NAND flash memory, the wear-leveling algorithms of the controller, and the total amount of data written (TBW).
Q7: Should I use NTFS or exFAT for my Lexar SSD?
A7:
* NTFS: This is the default and recommended file system for Windows systems, especially for internal drives or external drives primarily used with Windows. It offers robust features like security permissions, journaling, and support for very large files and partitions.
* exFAT: This is a good choice for external or portable SSDs that need to be compatible with both Windows and macOS systems, as both operating systems can read and write to exFAT drives without issues. It supports large files and partitions but lacks some of the advanced features and journaling of NTFS.
Conclusion
Optimizing your storage can seem like a daunting task, but understanding concepts like allocation unit size for your Lexar SSD can give you an edge. While the default 4KB is often the Lexar best allocation unit size for 120gb SSD and most other Lexar drives, knowing your workload helps tailor this setting for peak efficiency.
Lexar offers a fantastic range of SSDs, from ultra-fast NVMe drives perfect for gaming and professional content creation to reliable and affordable SATA III options for everyday upgrades. By choosing the right Lexar SSD for your needs and pairing it with smart formatting choices, you’re set for a fast, efficient, and reliable computing experience. Explore the options above and unlock the full potential of your Lexar storage!