Are you tired of constantly juggling files, deleting games, or waiting ages for your applications to load? In today’s digital world, storage isn’t just about capacity; it’s about blistering speed and instant access. That’s where a high-capacity, high-performance solid-state drive (SSD) comes into play, specifically the super-fast M.2 NVMe format. For serious gamers, content creators, or anyone with a massive digital footprint, a 4TB M.2 SSD is quickly becoming the sweet spot, offering ample space without compromising on speed.
But with so many options out there, how do you pick the best 4TB SSD M.2 for your needs? We’ve delved into the market to bring you our top five picks, focusing on speed, reliability, features, and overall value. Get ready to transform your PC’s performance!
1. Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4×4 |…

Samsung is a household name in the SSD world, and their 990 EVO Plus aims to offer a fantastic blend of cutting-edge performance and efficiency. This drive is a forward-thinking choice, supporting both PCIe 4.0 x4 and PCIe 5.0 x2, making it ready for current and future systems. If you’re looking for a drive that balances raw speed with smart thermal management and power efficiency, all while providing a colossal 4TB of storage, the 990 EVO Plus is definitely worth a closer look. It’s designed for users who demand quick file transfers and a smooth, uninterrupted computing experience.
Key Features:
– GROUNDBREAKING READ/WRITE SPEEDS: Up to 7,250/6,300MB/s sequential read/write speeds.
– LARGE STORAGE CAPACITY: 4TB capacity enhanced by Intelligent TurboWrite 2.0.
– EXCEPTIONAL THERMAL CONTROL: Nickel-coated controller for improved power efficiency and heat management.
– OPTIMIZED PERFORMANCE: Compatible with PCIe 4.0 x4 and PCIe 5.0 x2 for future-proofing.
– NEVER MISS AN UPDATE: Magician Software ensures firmware updates and drive health monitoring.
Pros:
– Excellent sequential read and write speeds.
– Future-proof with PCIe 5.0 x2 compatibility.
– Impressive power efficiency helps with battery life in laptops.
– Samsung Magician software offers great control and monitoring.
– Strong performance for large file transfers and demanding applications.
Cons:
– Might not reach the absolute top-tier PCIe 4.0 speeds of some competitors.
– Price can be higher than budget-oriented options.
User Impressions: Users frequently praise the 990 EVO Plus for its noticeable speed boost in everyday tasks and gaming. Many appreciate its lower power consumption, especially laptop users. The ease of installation and the helpful Magician software are also commonly highlighted positive points.
2. Samsung 990 PRO SSD 4TB PCIe 4.0 M.2 2280 Internal…

If the 990 EVO Plus is about balance, the Samsung 990 PRO is about pushing the limits of PCIe 4.0 performance. This is Samsung’s flagship PCIe 4.0 SSD, engineered for those who demand the absolute fastest data transfer speeds currently available on the Gen4 standard. Gamers will love the near-instant load times, and professional users working with massive video files or complex datasets will appreciate the significant boost in productivity. It’s truly built for the most demanding computing environments, aiming to get you to the “next level” of performance with impressive power efficiency to boot. For the ultimate best 4TB SSD M.2 experience in PCIe 4.0, the 990 PRO is a top contender.
Key Features:
– MEET THE NEXT GEN: Near max PCIe 4.0 performance with lightning-fast speeds.
– REACH THE NEXT LEVEL: Over 55% improvement in random performance compared to 980 PRO.
– THE FASTEST SSD FROM THE WORLD’S #1 FLASH MEMORY BRAND**: Read/write speeds up to 7450/6900 MB/s.
– PLAY WITHOUT LIMITS: Available in 1TB to 4TB capacities, perfect for gaming and content creation.
– IT’S A POWER MOVE: Up to 50% improved performance per watt over the 980 PRO.
Pros:
– Extremely fast sequential and random read/write speeds, almost maxing out PCIe 4.0.
– Excellent for intensive gaming, video editing, and data analysis.
– Very power efficient for its performance class.
– Backed by Samsung’s reputation for reliability.
– Significant generational leap over previous models like the 980 PRO.
Cons:
– Premium price point due to top-tier performance.
– PCIe 5.0 drives are emerging, potentially offering even faster speeds in the future.
User Impressions: Users consistently rave about the 990 PRO’s incredible speed, noting dramatic improvements in game load times and application responsiveness. Many feel it’s a worthwhile investment for high-end systems, appreciating its reliability and thermal management even under heavy loads.
3. Crucial P310 4TB PCIe Gen4 2280 NVMe M.2 SSD Up…

The Crucial P310 stands out for its impressive power efficiency, making it an excellent choice for laptops or any system where conserving battery life and minimizing heat output are priorities. While it might not chase the absolute top-tier speeds of its more expensive counterparts, it offers a solid upgrade over older SATA SSDs and even many Gen3 NVMe drives. For users seeking a reliable 4TB NVMe M.2 SSD that balances performance with an emphasis on energy consumption, the P310 provides a compelling option. It’s a great choice for a smooth, responsive computing experience without draining your power budget.
Key Features:
– POWER EFFICIENCY: Up to 40% better performance-to-power ratio than Crucial’s previous Gen4 SSDs.
Pros:
– Excellent power efficiency, ideal for laptops and portable devices.
– Good upgrade from older storage solutions.
– Reliable performance for everyday tasks and moderate workloads.
– Likely more affordable than top-tier Gen4 drives (based on typical Crucial positioning).
Cons:
– Specific speed ratings are not provided, suggesting it may not be a speed demon compared to other Gen4 drives.
– Limited information on other features like thermal solutions or software.
User Impressions: Users looking for a balance of decent performance and good value often find Crucial drives to be a solid pick. Its quiet operation and lower heat output (due to efficiency) are often subtle but appreciated benefits.
4. Crucial P3 Plus 4TB PCIe Gen4 3D NAND NVMe M.2…

Stepping up from the P310, the Crucial P3 Plus offers a more robust PCIe Gen4 experience for users who want noticeably faster speeds without breaking the bank. With sequential reads up to 5000MB/s, it’s significantly faster than many Gen3 drives and perfectly capable of handling demanding applications, large file transfers, and modern games. The P3 Plus is a fantastic value proposition for those upgrading an older system or building a new PC on a sensible budget. It delivers a great balance of speed, capacity, and reliability, making it a strong contender for the best 4TB SSD M.2 in its price segment.
Key Features:
– NVMe (PCIe Gen4 x4) technology with up to 5000MB/s sequential reads.
– Random read/write 650K/900K IOPS.
– Spacious storage up to 4TB.
– Performs up to 43% faster than the fastest Gen3 NVMe SSDs.
– Rated at MTTF greater than 1.5 million hours for extended longevity and reliability.
– Backward compatibility with Gen3.
Pros:
– Solid PCIe Gen4 performance at a competitive price.
– Significantly faster than Gen3 NVMe SSDs.
– High reliability rating (MTTF).
– Backward compatible with Gen3 systems, offering future upgrade potential.
– Ample 4TB storage for most users.
Cons:
– Not as fast as the very top-tier PCIe 4.0 drives like Samsung 990 PRO.
– No integrated heatsink option for intense workloads.
User Impressions: Customers often highlight the Crucial P3 Plus as an excellent upgrade for its price-to-performance ratio. Users report noticeable speed improvements in system responsiveness and game loading. Its ease of installation and Crucial’s reputation for reliable memory products also contribute to positive feedback.
5. WD_BLACK 4TB SN850X NVMe Internal Gaming SSD Solid State…

For gamers, the WD_BLACK SN850X is more than just a storage device; it’s a performance upgrade built from the ground up with gaming in mind. This drive doesn’t just offer insane speeds up to 7,300 MB/s; it comes packed with features like Game Mode 2.0 and an optional heatsink designed to maintain peak performance during the most intense gaming sessions. If you’re building a high-end gaming rig or simply want the ultimate edge in load times and responsiveness for your favorite titles, the SN850X is a serious contender. It ensures you have more than enough space for all your games and that they load faster than ever before.
Key Features:
– TRANSFORM YOUR PC: Speeds up to 7,300 MB/s for top-tier gaming performance.
– MORE ROOM, MORE GAMES: Capacities up to 8TB with Western Digital TLC 3D NAND.
– HEATSINK FOR THE WIN: Optional heatsink version for sustained performance.
– DO MORE WITH DASHBOARD: WD_BLACK Dashboard (Windows only) for monitoring and customization (including RGB for heatsink versions).
– FUTURE-FORWARD FEATURES: Predictive Loading, Overhead Balancing, and Adaptive Thermal Management (ATM).
Pros:
– Exceptional speeds, rivaling the fastest PCIe 4.0 drives.
– Optimized specifically for gaming performance.
– Optional heatsink is a massive plus for sustained heavy use and preventing thermal throttling.
– WD_BLACK Dashboard offers useful features for gamers.
– Large capacities available, including an 8TB option (though we’re focusing on 4TB here).
Cons:
– Can be one of the more expensive options.
– The heatsink version might not fit all laptop or SFF PC builds.
– Dashboard software is Windows-only.
User Impressions: Gamers consistently praise the SN850X for its incredibly fast load times and smooth gameplay. The optional heatsink is a frequently mentioned positive, with users confirming its effectiveness in keeping temperatures down. Its reliability and ease of setup are also common themes in positive reviews.
Frequently Asked Questions (FAQ)
Q1: What exactly is an M.2 SSD and how is it different from other SSDs?
A1: An M.2 SSD is a small form factor solid-state drive that plugs directly into a motherboard’s M.2 slot. Unlike traditional 2.5-inch SATA SSDs, M.2 drives often use the NVMe (Non-Volatile Memory Express) protocol over PCIe lanes, which allows for significantly faster data transfer speeds. SATA SSDs are limited to around 550 MB/s, while NVMe M.2 SSDs can reach speeds well over 7,000 MB/s.
Q2: Why would I need a 4TB SSD M.2? Isn’t 1TB or 2TB enough?
A2: For many users, 1TB or 2TB might be sufficient. However, a 4TB M.2 SSD offers massive space for large game libraries (modern games can easily take 100GB+ each), extensive video editing projects, huge photo collections, or large datasets for professional work. It minimizes the need to constantly uninstall programs or juggle files, providing a much more convenient and future-proof storage solution.
Q3: What’s the difference between PCIe Gen4 and PCIe Gen5 SSDs?
A3: PCIe Gen4 (PCI Express Generation 4) SSDs are currently the mainstream high-performance option, offering sequential read speeds up to around 7,500 MB/s. PCIe Gen5 is the next generation, doubling the theoretical bandwidth of Gen4, potentially allowing for speeds up to 14,000 MB/s or more. While Gen5 drives are emerging, they require compatible motherboards (e.g., Intel 700 series, AMD X670) and are significantly more expensive. For most users, Gen4 is more than fast enough.
Q4: Do I need a heatsink for my 4TB M.2 SSD?
A4: For casual use, many M.2 SSDs operate fine without a heatsink. However, for sustained heavy workloads like long gaming sessions, intense video editing, or large file transfers, NVMe SSDs can generate significant heat. A heatsink helps dissipate this heat, preventing “thermal throttling” (where the drive slows down to prevent overheating) and ensuring sustained peak performance. If your motherboard has M.2 heatsinks, definitely use them. Otherwise, consider an SSD with an integrated heatsink or buy an aftermarket one.
Q5: How do I install a 4TB M.2 SSD?
A5: Installing an M.2 SSD is relatively straightforward. First, ensure your motherboard has an available M.2 slot. Gently insert the M.2 drive into the slot, aligning the notch. Once fully seated, secure it with the small screw or latch provided with your motherboard. For desktop PCs, this is usually all that’s needed. For laptops, consult your laptop’s manual. After physical installation, you may need to initialize and format the drive in Windows Disk Management or macOS Disk Utility before it appears as usable storage.
Q6: Can I use a 4TB M.2 SSD in my laptop?
A6: Many modern laptops support M.2 NVMe SSDs, but it’s crucial to check your laptop’s specifications. Some older laptops might only support M.2 SATA, or have limitations on physical length (2280 is standard, but some are shorter or longer). Always verify compatibility and the available M.2 slot type (PCIe Gen3 or Gen4) before purchasing. The power efficiency of some 4TB M.2 SSDs makes them excellent choices for laptop upgrades.
Q7: What does “NVMe” mean, and why is it important?
A7: NVMe stands for Non-Volatile Memory Express. It’s a communication protocol designed specifically for SSDs to take full advantage of the high-speed PCIe bus. Unlike older protocols like AHCI (used by SATA drives), NVMe allows for multiple, simultaneous command queues and significantly lower latency, leading to much faster data transfer speeds and overall system responsiveness. If you want a fast SSD, you want an NVMe SSD.