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4tb Ssd Comparison - April 2026
| 1 Best Choice  9.8Exceptional | 2  9.6Exceptional | 3  9.4Excellent | 4  9.1Excellent | 5  8.8Very Good | 6  8.6Very Good |
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ModelSamsung 990 PRO SSD 4TB PCIe 4.0 M.2 2280 Internal Solid State Hard Drive, Seq. Read Speeds Up to 7,450 MB/s for High End Computing, Gaming, and Heavy Duty Workstations, MZ-V9P4T0B/AM | Model SAMSUNG T7 Portable SSD, 4TB External Solid State Drive, Speeds Up to 1,050MB/s, USB 3.2 Gen 2, Reliable Storage for Gaming, Students, Professionals, MU-PC4T0T/AM, Gray | Model SanDisk 4TB Extreme Portable SSD - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-4T00-G25 | Model Samsung 990 EVO Plus SSD 4TB, PCIe Gen 4x4 | Gen 5x2 M.2, Speeds Up-to 7,250 MB/s, Upgrade Storage for PC/Laptops, HMB Technology and Intelligent Turbowrite 2.0, (MZ-V9S4T0B/AM) | Model SanDisk 4TB Extreme PRO Portable SSD - Up to 2000MB/s - USB-C, USB 3.2 Gen 2x2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE81-4T00-G25 | Model Crucial X10 Pro 4TB Portable SSD, Up to 2100MB/s Read, 2000MB/s Write, 3.2 USB-C, External Solid State Drive, Durable Storage for PC & Mac, for Professional Creators, Black - CT4000X10PROSSD902 |
BrandSamsung | Brand Samsung | Brand Sandisk | Brand Samsung | Brand Sandisk | Brand Crucial |
Reviews | Reviews | Reviews  | Reviews | Reviews  | Reviews |
Tech Specs | |||||
item weight 0.317 ounces | item weight 3.2 ounces | item weight 1.76 ounces | item weight 9 Grams | item weight 2.75 ounces | item weight 1.48 ounces |
product dimensions 3.15 x 0.87 x 0.09 inches | product dimensions 3.34 x 2.24 x 0.31 inches | product dimensions 0.38 x 2.07 x 3.97 inches | product dimensions - | product dimensions 0.41 x 2.28 x 4.36 inches | product dimensions 2.56 x 1.97 x 0.39 inches |
color Information Not Available | color - | color Black | color Black | color Black | color Black |
flash memory size 4 TB | flash memory size - | flash memory size 4 | flash memory size - | flash memory size 4 | flash memory size 4 TB |
item dimensions lxwxh 3.15 x 0.87 x 0.09 inches | item dimensions lxwxh - | item dimensions lxwxh 0.38 x 2.07 x 3.97 inches | item dimensions lxwxh - | item dimensions lxwxh 0.41 x 2.28 x 4.36 inches | item dimensions lxwxh 2.56 x 1.97 x 0.39 inches |
hard drive interface USB 3.0 | hard drive interface - | hard drive interface USB 3.2 | hard drive interface - | hard drive interface USB 3.2 | hard drive interface USB 3.2 |
hard drive 4 TB Solid State Drive | hard drive - | hard drive 4 TB Solid State Drive | hard drive - | hard drive 4 TB | hard drive Solid State Drive |
hardware platform PC | hardware platform - | hardware platform PC, Mac | hardware platform - | hardware platform PC, Mac | hardware platform - |
Review- | Review - | Review | Review - | Review | Review - |
Available On   | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1Samsung13% OffSamsung 990 PRO SSD 4TB PCIe 4.0 M.2 2280 Internal Solid State Hard Drive, Seq. Read Speeds Up to 7,450 MB/s for High End Computing, Gaming, and Heavy Duty Workstations, MZ-V9P4T0B/AM
Why we love it
Lightning-fast read/write speeds.
Ideal for gaming and heavy-duty tasks.
High power efficiency.
Main highlights- THE FASTEST SSD FROM THE WORLD'S #1 FLASH MEMORY BRAND**: The speed you need for any occasion; With read and write speeds up to 7450/6900 MB/s* you’ll reach near max performance of PCIe 4.0*** powering through for any use
- REACH THE NEXT LEVEL: Gen4 steps up with faster transfer speeds and high-performance bandwidth; With a more than 55% improvement in random performance compared to 980 PRO, it’s here for heavy computing and faster loading
- PLAY WITHOUT LIMITS: Give yourself some space with storage capacities from 1TB to 4TB; Sync all your saves and reign supreme in gaming, video editing, data analysis and more
- MEET THE NEXT GEN: Consider this a cheat code; Our Samsung 990 PRO Gen4 SSD helps you reach near max performance* with lightning-fast speeds; Whether you’re a hardcore gamer or a tech guru, you’ll get power efficiency built for the final boss
- IT’S A POWER MOVE: Save the power for your performance; Get power efficiency all while experiencing up to 50% improved performance per watt over the 980 PRO****; It makes every move more effective with less consumption
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9.6
2Samsung
SAMSUNG T7 Portable SSD, 4TB External Solid State Drive, Speeds Up to 1,050MB/s, USB 3.2 Gen 2, Reliable Storage for Gaming, Students, Professionals, MU-PC4T0T/AM, Gray
Why we love it
Fast data transfer speeds.
Compact and portable design.
Built-in encryption for security.
Main highlights- WORLD’S #1 FLASH MEMORY BRAND: Performance and reliability from the world’s #1 brand for flash memory since 2003⁵; All firmware and components are produced in-house, including our world renowned DRAM and NAND, for quality and you can trust
- SHARE IDEAS IN A FLASH: Don’t waste a second waiting and spend more time doing; The T7 is embedded with PCIe NVMe technology that brings fast read and write speeds up to 1,050/1,000 MB/s¹, making it almost twice as fast as the T5
- MADE FOR THE MAKERS: Create; Explore; Store; The T7 Portable SSD delivers fast speeds and durable features to back up any endeavor; Build your video editing empire, file your photographs or back up your blogs all in an instant
- HI RESOLUTION VIDEO RECORDING: Record Ultra High Resolution (4K 60fs) videos directly onto the T7 Portable SSD with your favorite camera or mobile devices; Supports iPhone 15 Pro Res 4K at 60fps video and more³
- ALWAYS MAKE THE SAVE: Compact design with massive capacity; With capacities up to 4TB, save exactly what you need to your drive – from large working files to game data and everything in between
- ALL FOR THE SHOT: This strong, sturdy sidekick will help you see it through with shock resistance and fall protection up to 6 feet⁴; With its solid aluminum unibody construction, it’s made to withstand any adventure
- ADAPTS TO EVERY NEED: Whether using a PC or mobile phone, count on the T7 for extensive compatibility²; It’s a true team player when it comes to heavy-duty application usage or file-saving
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9.4
3Sandisk
SanDisk 4TB Extreme Portable SSD - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-4T00-G25
Why we love it
High-speed data transfer
Rugged and durable design
Secure with encryption
Main highlights- Use the handy carabiner loop to secure it to your belt loop or backpack for extra peace of mind.
- Up to 3-meter drop protection and IP65 water and dust resistance mean this tough drive can take a beating(3) (Previously rated for 2-meter drop protection and IP55 rating. Now qualified for the higher, stated specs.)
- Help keep private content private with the included password protection featuring 256‐bit AES hardware encryption.(3)
- Get NVMe solid state performance with up to 1050MB/s read and 1000MB/s write speeds in a portable, high-capacity drive(1) (Based on internal testing; performance may be lower depending on host device & other factors. 1MB=1,000,000 bytes.)
- Easily manage files and automatically free up space with the SanDisk Memory Zone app.(5)
Our ranking system
At bestchoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
