7 Top 4TB Internal SSDs for Your Laptop: Finding the Best Sabrent & Beyond

Feeling the squeeze for space on your laptop? Or perhaps your current drive just isn’t keeping up with your demands for speed and performance? If you’re looking to significantly boost your storage and overall laptop performance, upgrading to a 4TB internal SSD is a game-changer. Whether you’re a hardcore gamer, a creative professional, or someone who just needs a ton of reliable storage for all their files, a high-capacity solid-state drive is the way to go.

In this guide, we’re diving deep into some of the best 4TB internal SSDs on the market, with a special focus on helping you find the Sabrent best 4TB internal SSD for your laptop, alongside other fantastic options from top brands like Western Digital and Samsung. We’ll cover everything from blazing-fast PCIe Gen5 drives to reliable SATA alternatives, so you can make an informed decision and give your laptop the upgrade it truly deserves.

Let’s get those laptops revving!


Understanding Your Options: NVMe vs. SATA

Before we jump into the reviews, a quick heads-up on the two main types of internal SSDs you’ll encounter:

  • NVMe (Non-Volatile Memory Express) SSDs: These are generally M.2 form factor drives that connect directly to your motherboard via a PCIe slot. They offer significantly faster speeds than SATA drives, leveraging PCIe Gen4 or even Gen5 technology. Perfect for gaming, video editing, and demanding applications.
  • SATA (Serial ATA) SSDs: These typically come in a 2.5-inch form factor and connect via a SATA cable. While slower than NVMe, they’re still much faster than traditional HDDs and are a great, often more affordable, upgrade for older laptops or those without M.2 slots.

Now, let’s explore the best 4TB internal SSDs available today!


Our Top Picks for 4TB Internal SSDs

Here are our hand-picked internal SSDs, including some excellent Sabrent options:

1. SABRENT 4TB Rocket 4 Plus NVMe 4.0 Gen4 PCIe M.2

SABRENT 4TB Rocket 4 Plus NVMe 4.0 Gen4 PCIe M.2...

The Sabrent Rocket 4 Plus is a fantastic option if you’re looking for a high-performance PCIe Gen4 NVMe drive without necessarily needing the absolute bleeding edge of Gen5. This SSD delivers impressive speeds that will make your laptop feel incredibly snappy, whether you’re loading massive games, editing 4K video, or simply multitasking with a dozen applications open. Sabrent also sweetens the deal with free cloning software and the unique ability to re-format the drive to your preferred sector size, offering great flexibility for specific system requirements.

Key Features:
– NVMe M.2 PCIe Gen4 x4 Interface for high-speed data transfer.
– PCIe 4.0 Compliant / NVMe 1.3 Compliant for broad compatibility and performance.
– Supports SMART and TRIM commands for optimal drive health and performance.
– Advanced Wear Leveling, Bad Block Management, Error Correction Code, and Over-Provision for enhanced durability.
– Includes FREE Sabrent Acronis True Image for Sabrent Software for easy cloning and sector size flexibility.

Pros:
– Excellent performance for PCIe Gen4 systems.
– Robust feature set for reliability and longevity.
– Included cloning software and sector size utility are a huge plus.
– A strong contender for the Sabrent best 4TB internal SSD for your laptop if Gen4 is your sweet spot.

Cons:
– Not as fast as newer PCIe Gen5 drives (if your laptop supports them).
– May run warm under heavy loads, potentially requiring a heatsink (though many laptops have some cooling built-in).

User Impressions:
Customers consistently praise the Rocket 4 Plus for its raw speed and reliability. Many users report significant improvements in load times and overall system responsiveness after upgrading. The included software is frequently highlighted as a valuable bonus, making the upgrade process much smoother.

See it on Amazon here


2. SABRENT Rocket 5 4TB Advanced Performance Internal M.2 PCIe

SABRENT Rocket 5 4TB Advanced Performance Internal M.2 PCIe...

Ready to future-proof your laptop or max out its current capabilities? The Sabrent Rocket 5 is an absolute powerhouse, leveraging the latest PCIe 5.0 technology to deliver mind-boggling speeds up to 14 GB/s. This isn’t just about faster boot times; it’s about eliminating bottlenecks for the most demanding tasks like 8K video editing, complex 3D rendering, or truly next-gen gaming with DirectStorage optimization. If your laptop supports PCIe 5.0, this drive will unleash its full potential.

Key Features:
– Our Fastest SSD Ever: PCIe 5.0 bandwidth with transfers up to an astounding 14 GB/s.
– DirectStorage-optimized firmware for superior gaming performance.
– Backward compatible with older PCIe generations for versatility.
– Optimally balanced for content creation, high-end applications, and gaming.
– Available with or without a custom heatsink for maximum thermal dissipation.

Pros:
– Unmatched speed and performance with PCIe Gen5.
– DirectStorage optimization is excellent for modern gaming.
– Backward compatibility ensures it works even if your laptop isn’t fully Gen5 yet.
– A true contender for the Sabrent best 4TB internal SSD for your laptop if you demand bleeding-edge speed.

Cons:
– Requires a PCIe 5.0 compatible laptop to achieve full speeds.
– Can generate more heat due to extreme performance, making a heatsink potentially necessary.
– Premium performance comes with a premium price tag.

User Impressions:
Reviewers are blown away by the Rocket 5’s speed, often calling it a “beast” or a “game-changer” for their workflows. Users highlight its ability to handle extremely large files and demanding applications with ease. The optional heatsink is a common consideration for those pushing the drive to its limits.

See it on Amazon here


3. WD_BLACK SN7100 4TB NVMe Internal Gaming SSD Solid State

WD_BLACK SN7100 4TB NVMe Internal Gaming SSD Solid State...

Western Digital’s WD_BLACK SN7100 is purpose-built for gamers on the go. Offering robust PCIe Gen4 performance with read speeds up to 7,250MB/s, this drive ensures quick game loads and smooth in-game asset streaming. What truly makes it shine for laptops is its impressive power efficiency – up to 100% more efficient than previous generations. This means more battery life for your gaming sessions or creative work, without sacrificing that crucial speed.

Key Features:
– High-Octane Gaming: Speeds up to 7,250MB/s read and 6,900MB/s write.
– PCIe Gen4 interface and SANDISK’s next generation TLC 3D NAND.
– Up to 100% more power efficiency over the previous generation, ideal for laptops.
– Available in multiple capacities up to 4TB.
– Up to 2,400TBW endurance for heavy use.

Pros:
– Excellent performance tailored for gaming laptops.
– Outstanding power efficiency helps extend battery life.
– High endurance ensures longevity even with frequent writes.
– Reliable brand known for gaming-focused storage.

Cons:
– Not the absolute fastest PCIe Gen4 drive on the market.
– WD_BLACK Dashboard is Windows-only.

User Impressions:
Gamers particularly love the SN7100 for its consistent performance and noticeable reduction in load times. Many users appreciate the balance between speed and power efficiency, especially for their portable gaming setups. It’s frequently recommended as a solid, dependable upgrade.

See it on Amazon here


4. WD_BLACK SN8100 4TB NVMe SSD Internal Solid State Drive

WD_BLACK SN8100 4TB NVMe SSD Internal Solid State Drive -...

Stepping up the game, the WD_BLACK SN8100 pushes the boundaries with PCIe Gen 5.0×4 performance. If you’re looking to drastically enhance your gaming and content creation experience with a drive that boasts sequential read speeds up to an astonishing 14,900MB/s, this is it. What’s even more impressive is its industry-leading power efficiency for a Gen5 drive, achieving these breakneck speeds with over 100% more power efficiency than their PCIe Gen4 drives, all at an average operating power of 7.5W or under. This makes it a serious contender for high-performance laptops.

Key Features:
– Experience PCIe Gen 5.0×4 NVMe M.2 SSD performance.
– Breakneck speeds: Up to 14,900MB/s read and 14,000MB/s write.
– Industry-leading power efficiency for a PCIe Gen5 drive.
– High reliability with up to 4,800 TBW endurance and TLC 3D CBA NAND.
– Immense capacities up to 8TB (4TB model highlighted) for massive projects and game libraries.

Pros:
– Extreme PCIe Gen5 speeds for cutting-edge performance.
– Excellent power efficiency for a Gen5 drive, crucial for laptops.
– High endurance for intensive workloads.
– Generous capacity suitable for future-proofing your storage needs.

Cons:
– Requires a PCIe 5.0 compatible system to reach peak speeds.
– High-performance drives typically run warmer, so thermal management is key.
– Higher price point due to advanced technology.

User Impressions:
Users are consistently impressed by the SN8100’s incredible speed, noting significant improvements in everything from large file transfers to game loading. The drive’s ability to maintain high performance while being relatively power-efficient is often praised, making it a strong choice for high-end laptops.

See it on Amazon here


5. WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State

WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State...

For gamers and power users who want top-tier PCIe Gen4 performance, the WD_BLACK SN850X is a phenomenal choice. This drive is all about getting ridiculously short load times and insane speeds up to 7,300 MB/s, transforming your PC or laptop into a speed demon. With capacities up to 8TB, you can download more games and stop agonizing over which favorites to delete. The optional heatsink version (check compatibility for your laptop) further ensures peak performance during the most intense gaming sessions by managing thermal output.

Key Features:
– Top-tier PCIe Gen4 performance with speeds up to 7,300 MB/s.
– Capacities up to 8TB (4TB model reviewed) built with Western Digital TLC 3D NAND.
– Optional heatsink version available for optimal thermal management.
– WD_BLACK Dashboard (Windows only) for drive health monitoring and Game Mode 2.0.
– Features like Predictive Loading, Overhead Balancing, and Adaptive Thermal Management (ATM).

Pros:
– Exceptional PCIe Gen4 speeds for gaming and demanding tasks.
– High endurance and reliability from Western Digital.
– Game Mode 2.0 and other advanced features enhance gaming.
– Ample storage for extensive game libraries and creative projects.

Cons:
– Heatsink version might not fit all laptops (check dimensions carefully).
– WD_BLACK Dashboard is limited to Windows.
– Doesn’t reach PCIe Gen5 speeds (if that’s a requirement).

User Impressions:
Gamers absolutely rave about the SN850X, highlighting its incredible load times and smooth gameplay. Many appreciate the optional heatsink for desktop builds, and even in laptops, the drive delivers consistent, high-speed performance. It’s widely regarded as one of the best Gen4 drives for gaming.

See it on Amazon here


6. SAMSUNG 870 EVO 4TB 2.5 Inch SATA III Internal SSD

SAMSUNG 870 EVO 4TB 2.5 Inch SATA III Internal SSD...

While NVMe drives often steal the spotlight, the Samsung 870 EVO 4TB 2.5 Inch SATA III SSD remains an SSD all-star, especially for laptops that don’t have an M.2 NVMe slot or for users who prioritize reliability and broad compatibility over cutting-edge speed. It maximizes the SATA interface limit with sequential speeds up to 560/530 MB/s, offering a massive upgrade from traditional HDDs and solid performance for everyday computing, content creation, and even 8K video processing. Samsung’s pioneering technology ensures indisputable performance, reliability, and compatibility.

Key Features:
– The SSD All-Star: Built upon Samsung’s pioneering technology.
– Maximizes SATA interface limit to 560/530 MB/s sequential speeds.
– Accelerates write speeds and maintains long-term high performance with a larger variable buffer.
– Industry-defining reliability with up to 2,400 TBW endurance.
– More compatible than ever, tested for major host systems and applications.

Pros:
– Exceptional reliability and longevity, backed by Samsung’s reputation.
– Broad compatibility with a wide range of laptops (especially older models).
– Excellent performance for a SATA drive, a huge upgrade from HDDs.
– Often a more budget-friendly option compared to NVMe drives.

Cons:
– Significantly slower than NVMe PCIe Gen4/Gen5 drives.
– 2.5-inch form factor might not fit ultra-thin modern laptops.

User Impressions:
Users frequently praise the 870 EVO for its rock-solid reliability, ease of installation, and noticeable speed boost over mechanical hard drives. It’s often recommended for older systems or as a secondary storage drive where NVMe isn’t feasible or necessary.

See it on Amazon here


7. Western Digital 4TB WD Blue SN5000 NVMe Internal Solid

Western Digital 4TB WD Blue SN5000 NVMe Internal Solid...

The Western Digital WD Blue SN5000 is a fantastic all-rounder for anyone looking to expand their storage and boost their workflow without breaking the bank. This NVMe PCIe Gen 4 drive offers read speeds up to 5,500MB/s (for the 4TB model), making it a great step up from SATA SSDs and a solid performer for everyday tasks, creative work, and multitasking. It leverages Western Digital’s nCache 4.0 Technology to maintain consistent performance and offers dependable endurance, ensuring your drive will keep up with your creative and professional demands.

Key Features:
– Expanded Storage: Up to 4TB capacity for endless inspiration.
– Boost Your Flow: PCIe Gen 4 with up to 5,500MB/s read speeds (4TB model).
– Pro Multitasking: Switch smoothly between applications and projects.
– Dependable Endurance: Up to 1,200TBW (4TB model) for creative work.
– Includes FREE Acronis True Image for Western Digital data migration software.

Pros:
– Good balance of price and PCIe Gen4 performance.
– Dependable endurance suitable for daily use and creative tasks.
– Excellent for boosting everyday workflow and multitasking.
– Included Acronis software simplifies data migration.

Cons:
– Not as fast as the higher-end Gen4 or Gen5 drives like the WD_BLACK series or Sabrent Rocket 5.
– Might not be the top choice for extreme gaming or professional video editing where every MB/s counts.

User Impressions:
Customers highlight the SN5000 as a great value proposition, offering a significant speed upgrade from SATA drives at an accessible price. It’s frequently recommended for users who need reliable and fast storage for productivity, general use, and moderate gaming without needing the absolute highest-tier performance.

See it on Amazon here


Frequently Asked Questions (FAQ)

Q1: What’s the main difference between NVMe PCIe Gen4 and Gen5 SSDs?
A1: The main difference is speed and bandwidth. PCIe Gen5 SSDs offer significantly faster read/write speeds (often double or more) compared to Gen4 SSDs, thanks to their newer interface. To utilize Gen5 speeds, both your laptop’s motherboard and CPU must support PCIe Gen5. If your laptop only supports Gen4, a Gen5 drive will still work but will be limited to Gen4 speeds.

Q2: Do I need a heatsink for my 4TB internal SSD in a laptop?
A2: For most everyday laptop use, a heatsink isn’t strictly necessary for an internal SSD, as laptops often have their own cooling solutions or the drives don’t get pushed hard enough to cause thermal throttling. However, for high-performance NVMe drives (especially PCIe Gen4/Gen5) under sustained heavy loads (like intense gaming, video rendering, or large file transfers), they can get quite warm. If your laptop chassis allows for it, a thin, low-profile heatsink can help maintain optimal performance and prolong the drive’s life, but many modern laptops are too slim to accommodate them. Always check your laptop’s specifications and available space.

Q3: How do I know if my laptop supports NVMe PCIe Gen4/Gen5?
A3: The best way is to check your laptop’s official specifications on the manufacturer’s website or in its user manual. Look for information regarding the M.2 slots, specifically mentioning “PCIe Gen4” or “PCIe Gen5” support. You can also use system information tools like HWInfo or CPU-Z to check your motherboard’s capabilities.

Q4: Is 4TB enough storage for a laptop?
A4: For most users, 4TB is more than enough! It provides ample space for a vast library of games, thousands of photos and videos, professional creative projects, and all your essential software. Even power users and content creators will find 4TB generous, allowing them to keep many large files locally without constantly offloading to external storage.

Q5: What are TBW (Terabytes Written) and why do they matter?
A5: TBW stands for Terabytes Written and is a measure of an SSD’s endurance. It indicates the total amount of data that can be written to the drive over its lifetime before its reliability might start to degrade. A higher TBW rating means the drive is expected to last longer under heavy write conditions. For a 4TB drive, a TBW of 1,200 to 4,800 is excellent and typically more than enough for years of typical laptop use, even for power users.

Q6: Can I install a 2.5-inch SATA SSD in my laptop if it has an M.2 slot?
A6: It depends on your laptop. Many laptops have both a 2.5-inch bay (for SATA drives) and one or more M.2 slots (for NVMe or SATA M.2 drives). Some ultra-thin laptops might only have M.2 slots. You’ll need to check your laptop’s specifications or physically inspect it to see what slots are available.

Q7: What’s the best Sabrent best 4TB internal SSD for my laptop?
A7: If your laptop supports PCIe Gen5, the SABRENT Rocket 5 4TB is arguably the best Sabrent 4TB internal SSD for your laptop, offering unmatched speed. If your laptop supports PCIe Gen4 but not Gen5, or you’re looking for an excellent balance of performance and value, the SABRENT 4TB Rocket 4 Plus is a fantastic choice, providing top-tier Gen4 speeds and useful bundled software. Both are superb options depending on your laptop’s capabilities and your performance needs.


Conclusion

Upgrading your laptop with a 4TB internal SSD is one of the most impactful changes you can make to boost its performance and capacity. Whether you’re leaning towards the blazing-fast PCIe Gen5 speeds of the Sabrent Rocket 5 or WD_BLACK SN8100, the robust Gen4 performance of the Sabrent Rocket 4 Plus or WD_BLACK SN850X, or the dependable reliability of the Samsung 870 EVO SATA drive, there’s an option here for every need and budget.

We hope this guide has helped you narrow down your choices and illuminated the path to finding the Sabrent best 4TB internal SSD for your laptop, or perhaps even convinced you of a stellar alternative. Whichever you choose, get ready to experience faster boot times, quicker application launches, and ample space for all your digital life! Happy upgrading!