The 5 Best Lexar 4TB SSDs for Your Laptop: Finding Your Perfect Performance Upgrade

Is your laptop feeling sluggish, or are you constantly running out of space for your games, creative projects, or ever-growing digital library? If so, it might be time for a serious upgrade! A 4TB SSD can dramatically transform your computing experience, offering lightning-fast speeds and ample storage. But with so many options out there, how do you find the Lexar best 4TB SSD for my laptop?

Lexar has a stellar reputation for delivering reliable and high-performance storage solutions. In this article, we’ll dive deep into five top-tier Lexar 4TB SSDs, highlighting their unique features, pros, and cons to help you make an informed decision. Whether you’re a hardcore gamer, a professional content creator, or just someone who needs more speed and space, there’s a Lexar drive here for you. Let’s find the ideal Lexar 4TB SSD for your laptop!


1. Lexar 4TB SL500 Portable SSD

Lexar 4TB SL500 Portable SSD, Up to 2000MB/s, Compatible...

The Lexar SL500 is a fantastic choice if you need high-speed, flexible storage that you can take anywhere. This portable SSD combines incredible performance with a sleek, durable design, making it perfect for creative professionals on the go or anyone who needs to transfer large files quickly between devices. Its compatibility extends beyond just laptops, working seamlessly with mobile devices and even consoles.

  • Key Features:

    • Incredible USB 3.2 Gen 2×2 performance: Up to 2000MB/s read and 1800MB/s write speeds.
    • Thin, lightweight, and durable metal design that fits easily in your pocket.
    • Supports Apple Pro Res recording (up to 4K 60FPS with iPhone 15 Pro/Pro Max).
    • Wide compatibility with mobile devices, iPhone 15/16 series, laptops, cameras, Xbox X|S, PS4, PS5.
    • Unique Thermal Control Design ensures optimal temperatures even at top speeds.
    • Equipped with a Type-C data cable for plug-and-play convenience.
    • Includes Lexar DataShield 256-bit AES encryption software.
    • Compact dimensions: 3.3” x 2.1” x 0.3”; 0.095 lbs.
    • Five-year limited warranty.
  • Pros:

    • Extremely high portable transfer speeds for quick data access.
    • Sleek and highly portable design for effortless transport.
    • Robust encryption for secure data protection.
    • Excellent compatibility across a wide range of devices.
    • Ideal for direct video recording from compatible iPhones.
  • Cons:

    • Achieving full speed requires a USB 3.2 Gen 2×2 port, which isn’t standard on all laptops.
    • External drive, so it doesn’t free up internal laptop space directly.
  • User Impressions:
    Customers love the SL500 for its impressive speed and compact form factor. Many appreciate its compatibility with various devices, especially the iPhone 15 Pro for video recording, making it a versatile tool for professionals and hobbyists alike. The metal casing feels premium and durable, offering peace of mind when carrying it around.

See it on Amazon here


2. Lexar 4TB NM790 SSD PCIe Gen4 NVMe M.2 2280 Internal

Lexar 4TB NM790 SSD PCIe Gen4 NVMe M.2 2280 Internal...

When it comes to internal storage, the Lexar NM790 SSD is a powerhouse, offering mind-blowing PCIe Gen4 NVMe speeds that are crucial for demanding applications. This is the Lexar best 4TB SSD for my laptop if you’re looking for a significant internal performance boost, especially for gaming, content creation, or heavy multitasking. Its single-sided design makes it particularly well-suited for the often-cramped confines of laptops.

  • Key Features:

    • Exceptional performance: Up to 7400MB/s read, 6500MB/s write speeds; 3000TBW endurance.
    • 2x faster than PCIe Gen 3 SSDs, significantly reducing load times and improving responsiveness.
    • Up to 40% less power consumption than other DRAM cache-enabled PCIe Gen 4 SSDs.
    • Host Memory Buffer (HMB) 3.0 activates your device’s DRAM cache for smoother performance.
    • Designed for hardcore gamers, professionals, and creators.
    • Compatible with PlayStation 5 (internal expansion).
    • Single-sided NVMe SSD, perfect for laptops with limited space.
    • Five-year limited warranty.
  • Pros:

    • Blazing-fast read/write speeds revolutionize system performance.
    • Excellent power efficiency helps prolong laptop battery life.
    • Single-sided design is ideal for thin and light laptops.
    • High endurance rating (TBW) for long-term reliability.
  • Cons:

    • Requires a laptop with an M.2 PCIe Gen4 slot to achieve full speeds.
    • Installation involves opening your laptop, which might be daunting for some.
  • User Impressions:
    Users rave about the dramatic performance improvement this drive brings to their laptops. Gamers see faster load times, and video editors report smoother workflows. The single-sided design is a big plus for laptop owners, ensuring compatibility where other drives might not fit. Its power efficiency is also frequently highlighted as a benefit.

See it on Amazon here


3. Lexar 4TB Armor 700 Portable SSD

Lexar 4TB Armor 700 Portable SSD, Up to 2000MB/s, USB...

For those who need the ultimate in portable ruggedness without compromising on speed, the Lexar Armor 700 is your go-to choice. This beast of a portable SSD is built to withstand the elements, rated IP66 for water and dust resistance, and can survive significant drops. It’s the ideal Lexar best 4TB SSD for my laptop if you work in challenging environments or just want peace of mind when carrying your crucial data.

  • Key Features:

    • Blazing-fast USB 3.2 Gen 2×2 performance: 2000MB/s max read/write speeds.
    • Rated IP66 for water and dust protection, built to withstand up to 3-meter drops.
    • Supports Apple Pro Res recording (up to 4K 60FPS with iPhone 15 Pro/Pro Max).
    • Unique Thermal Control Design ensures optimal temperatures and sustained high performance.
    • Compatible with PC, Mac, Android, iPhone 15/16 series, cameras, gaming consoles, and more.
    • Includes Lexar DataShield 256-bit AES encryption.
    • Includes a Type-C and USB-A all-in-one cable for universal connectivity.
    • Product dimensions: 3.39” x 2.14” x 0.52”; 0.18 lbs.
    • Five-year limited warranty.
  • Pros:

    • Exceptional ruggedness and durability for extreme environments.
    • High-speed data transfers for efficient workflow.
    • Broad device compatibility, including direct iPhone video recording.
    • Robust data security with AES encryption.
    • All-in-one cable simplifies connectivity.
  • Cons:

    • Slightly larger and heavier than the SL500 due to its rugged design.
    • Full speed still relies on a compatible USB 3.2 Gen 2×2 port.
  • User Impressions:
    Users frequently praise the Armor 700’s resilience, stating it holds up incredibly well to drops and splashes. Professionals working outdoors or in dusty conditions find it indispensable. The combination of its ruggedness with top-tier speeds makes it a favorite for those who can’t afford data loss due to accidental damage.

See it on Amazon here


4. Lexar 4TB NM790 SSD with Heatsink PCIe Gen4 NVMe M.2

Lexar 4TB NM790 SSD with Heatsink PCIe Gen4 NVMe M.2...

This version of the Lexar NM790 takes the already impressive internal SSD and adds an integrated heatsink, making it an excellent choice for systems where thermal management is key. If you’re pushing your laptop to its limits with intense gaming sessions or heavy video rendering, this drive ensures sustained performance by keeping temperatures in check. It’s truly the Lexar best 4TB SSD for my laptop if you prioritize consistent peak performance over long periods.

  • Key Features:

    • Exceptional performance: Up to 7400MB/s read, 6500MB/s write speeds; 3000TBW endurance.
    • 2x faster than PCIe Gen 3 SSDs.
    • Designed with a heatsink to keep your rig cool for better performance and power efficiency.
    • Up to 40% less power consumption than DRAM cache-enabled PCIe Gen 4 SSDs.
    • Host Memory Buffer (HMB) 3.0 for smoother transfer speeds and seamless performance.
    • Compatible with PlayStation 5 (internal expansion).
    • Five-year limited warranty.
  • Pros:

    • Integrated heatsink prevents thermal throttling, ensuring sustained high speeds.
    • Blazing-fast speeds for demanding applications and gaming.
    • Improved power efficiency and endurance.
    • Ideal for high-performance laptops or custom builds that can accommodate the heatsink.
  • Cons:

    • The heatsink might make it incompatible with some ultra-thin laptops or those with specific M.2 slot clearances.
    • Requires a laptop with an M.2 PCIe Gen4 slot.
  • User Impressions:
    Gamers and power users consistently highlight the heatsink’s effectiveness in maintaining high performance during extended heavy loads. They appreciate the peace of mind knowing their drive won’t slow down due to heat. Installation is straightforward for compatible systems, and the speed boost is undeniable.

See it on Amazon here


5. Lexar 4TB Play SSD with Heatsink PCle Gen 4×4 NVMe

Lexar 4TB Play SSD with Heatsink PCle Gen 4x4 NVMe...

Designed with gamers in mind, the Lexar Play SSD with Heatsink is an internal drive that’s perfect for both your PlayStation 5 and your gaming laptop. It brings formidable speeds and the crucial advantage of a pre-installed heatsink, ensuring your system stays cool during the most intense gaming marathons. If you’re a serious gamer looking for an internal upgrade, this could be the Lexar best 4TB SSD for my laptop and console.

  • Key Features:

    • Designed to coordinate with your PS5, enhancing your gaming experience.
    • 7400MB/s max read and 6500MB/s max write speeds for reduced load times and seamless gameplay. 4TB: 3200TBW endurance.
    • Tested and approved storage for your PS5 console; allows you to play games directly off the drive.
    • Includes a unique heatsink for effortless installation and enhanced cooling during intense gaming sessions.
    • Can be used not only for PS5 but also for PC gaming.
    • HMB and SLC Dynamic cache deliver improved performance and accelerated data access speeds on PC.
    • Five-year limited warranty.
  • Pros:

    • Optimized for gaming, delivering ultra-fast load times.
    • Integrated heatsink for superior thermal management during intense gaming.
    • Officially tested and approved for PS5, offering console gaming flexibility.
    • High endurance rating suitable for frequent game installs/uninstalls.
  • Cons:

    • The heatsink may limit compatibility with certain ultra-slim laptops.
    • Primarily marketed for gaming, though it performs well for other tasks too.
  • User Impressions:
    Gamers are absolutely thrilled with this SSD’s performance, noting significantly reduced loading screens and a smoother overall experience on both their PCs and PS5s. The pre-installed heatsink is a major convenience, removing the guesswork and ensuring optimal cooling. Its “play-ready” nature right out of the box is a huge hit.

See it on Amazon here


Frequently Asked Questions (FAQ)

Q1: Why should I choose a 4TB SSD for my laptop?
A: A 4TB SSD provides ample space for a vast game library, large video projects, extensive photo collections, and all your essential software without compromising speed. It eliminates the need to constantly manage files or use slower external drives, significantly improving your laptop’s overall responsiveness and usability.

Q2: Is a Lexar SSD a good choice for laptop upgrades?
A: Absolutely! Lexar is a well-established brand known for manufacturing high-quality, reliable, and high-performance memory and storage products. Their SSDs offer excellent speed, durability, and often come with good warranties, making them a solid choice for upgrading your laptop.

Q3: What’s the difference between an internal and external 4TB SSD?
A: An internal SSD (like the NM790 or Play series) is installed directly inside your laptop, replacing or supplementing an existing drive. It typically offers the highest speeds as it connects directly to your motherboard’s PCIe lanes. An external SSD (like the SL500 or Armor 700) connects via a USB cable and provides portable, plug-and-play storage. While external drives are convenient for sharing data, internal drives generally offer better sustained performance for your primary operating system and applications.

Q4: Do I need a heatsink for an internal Lexar 4TB SSD in my laptop?
A: For most everyday laptop use, a heatsink isn’t strictly necessary. However, if you’re a heavy user involved in tasks like intensive gaming, 4K video editing, or prolonged data transfers, an SSD with a heatsink (like the NM790 with Heatsink or Play SSD) can prevent thermal throttling. This ensures your drive maintains its peak performance without slowing down due to overheating, which is especially important in compact laptop chassis.

Q5: Will a 4TB SSD improve my laptop’s performance beyond just storage?
A: Yes, significantly! Upgrading from a traditional HDD or a smaller, older SSD to a 4TB NVMe PCIe Gen4 SSD will dramatically improve your laptop’s boot times, application loading speeds, file transfer rates, and overall system responsiveness. Even if you’re coming from an older SATA SSD, a modern NVMe Gen4 drive offers a substantial speed boost.

Q6: How do I know if my laptop supports NVMe PCIe Gen4?
A: You’ll need to check your laptop’s specifications or motherboard manual. Most modern laptops (especially those from the last 2-3 years) with M.2 slots support NVMe PCIe Gen3, and many newer, higher-end models support Gen4. If your laptop only supports Gen3, a Gen4 SSD will still work, but it will be limited to Gen3 speeds.

Q7: Can I use a portable Lexar 4TB SSD with my gaming console or iPhone?
A: Yes! Many Lexar portable SSDs, like the SL500 and Armor 700, are designed for wide compatibility. They often work as expanded storage for gaming consoles (like PS5 or Xbox Series X|S) and can even be used for direct 4K video recording with compatible iPhones (e.g., iPhone 15 Pro/Pro Max). Always check the specific product’s compatibility list.

Q8: What does ‘TBW’ mean for an SSD?
A: TBW stands for “Terabytes Written.” It’s an endurance rating that indicates how much data can be written to the SSD over its lifespan before its warranty or expected reliability might be impacted. A higher TBW rating means the drive is more durable and can handle more write operations, making it better for demanding users or those who frequently write large amounts of data.


Upgrading your laptop with a Lexar 4TB SSD is one of the best ways to enhance its performance and expand its capabilities. Whether you need the portability and ruggedness of an external drive or the blazing-fast speeds of an internal NVMe, Lexar has a fantastic option for you. Consider your usage, your laptop’s compatibility, and your priorities, and you’ll find the perfect Lexar drive to elevate your computing experience!