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Customer Ratings & Reviews

Your price for this item is $454.99

Customer reviews

Rating 4.6 out of 5 stars with 527 reviews

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Rating by feature

  • Value

    Rating 4.5 out of 5 stars

  • Quality

    Rating 4.6 out of 5 stars

  • Ease of Use

    Rating 4.7 out of 5 stars

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90%would recommend to a friend

Customers are saying

Customers are pleased with the Extreme Portable 4TB External USB-C NVMe SSD's speed, overall performance, portability, and substantial storage capacity. The device's compact size and lightweight design are also well-received. However, some customers have expressed concerns regarding heat dissipation during operation.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 23 Showing 441-460 of 527 reviews
  • Rated 4 out of 5 stars

    Worth it

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good ssd, pretty fast and reliable. Bought it in discount. Worrh it.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Well made excellent quality

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Well made and compact design. Good speed. Would recommend.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    SanDisk 4TB SSD Product

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great product and awesome price!! Will definitely purchase other SanDisk products!!

    I would recommend this to a friend
  • Rated 1 out of 5 stars

    Failed within 3 months

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Failed after three months of gentle, at-home use – still in its original packaging. The failure necessitated hundreds of dollars in data recovery, and now, the need to buy replacement data storage. After sharing with other professional photographers, I've heard multiple reports of widespread issues with this particular disk within the last few months – sounds like a bad batch. I wish there was a way to get reimbursed for this to purchase a dependable replacement instead. It is not worth the risk to me to try this product again, and I regret spending so much money on it.

    No, I would not recommend this to a friend
  • Rated 3 out of 5 stars

    Decent 4 TB storage

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Size is a little smaller than previous version so it is good

    I would recommend this to a friend
    • Brand response from SanDisk Team
      Posted .

      Thank you for your feedback! We're glad to hear you appreciate the compact size of the card. If you have any questions about the product, feel free to reach us at: https://support-en.sandisk.com/app/askweb SanDiskConnections

  • Rated 5 out of 5 stars

    Very Reliable

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    SanDisk is very reliable and this model I will trust to back up my desktop system files.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Solid Solid Stated DRive

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good product. It worked exactly as described. Will probably buy again

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Nice, compact, lots of space. Easy to use. Love

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Nice, compact, lots of space. Easy to use. Love it!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Good SSD

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good product and awesome speed with this SSD. Would buy again.

    I would recommend this to a friend
  • Rated 2 out of 5 stars

    Ok for storage capacity

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    SanDisk 4TB external SSD gets very hot to the touch. From the MacOS side, EXFAT format is relatively slow, file indexing takes longer then on spinning platter external HDDs, and has so far resulted in two file table errors that required reformatting the SSD. So recommend formatting as Mac OS Extended. APFS is another and newer format option, although will not support Mac's Time Machine backup. Works well as a portable/travel ready backup.

    No, I would not recommend this to a friend
  • Rated 5 out of 5 stars

    Incredible finally storage at the max

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    works perfect. the best portable hard drive/ backup I've used

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    4TB SSD

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very compact fast and with lots of space. Easy to encrypt.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    ScanDisk

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Compact size, perfect for carrying in my backpack.

    I would recommend this to a friend
  • Rated 3 out of 5 stars

    Get Very Hot

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    Posted . Owned for 3 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I bought it because of the great deal. After using for the first time, it just got very hot during writing and reading data. It will probably break sooner if the heat is too much from using. Not recommend to buy.

    No, I would not recommend this to a friend
  • Rated 5 out of 5 stars

    Works and performs great

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works and performs great... no issues, will my many more.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    awesome portable storage

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    awesome storage very compact and light and files load up very quickly

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Good product

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The best product with great quality. I am happy with the pruchase

    I would recommend this to a friend
  • Rated 3 out of 5 stars

    Sandisk Extreme Portable eSSD is not worth

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Sandish Extreme Portable eHDD is not very responsive. I am not happy with the speed even though it is SSD. Will evaluate as I use and see. Online reviews were not encouraging.

    No, I would not recommend this to a friend
    • Brand response from SanDisk Team
      Posted .

      We sincerely apologize for the inconvenience caused to you. Please feel free to submit a support ticket at https://support-en.wd.com/app/askweb in case you face any issues with our SanDisk Extreme Portable SSD so that our support team can investigate the case and assist you further. SanDiskConnections

  • Rated 1 out of 5 stars

    SanDisk failure. Dead drive and lost files.

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    Posted . Owned for 11 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Drive became unreadable on my Macbook months ago. It wouldn't load. Sandisk provided a firmware update to correct the problem, but it has a note: "Critical: Ensure to create and verify a backup of all critical data to another location or device before updating the firmware on any drive. " How does one back up the disk before updating, and how does one update the disk if you can't load it on a Mac? The update that SanDisk provided must be implemented using a PC, specifically "on a Windows 10 or 11 computer". How does that work? You bother your friends with a PC or go to a tech support station at Best Buy or elsewhere to do this, costing money, and perhaps losing some files. I can go on or you can read the Ars Technica article: "SanDisk's Silence Deafens as High-Profile Users Say Extreme SSDs Still Broken"

    No, I would not recommend this to a friend
    • Brand response from SanDisk Team
      Posted .

      Hello, we would be happy to help but it would be best to contact us directly so that we can investigate further and provide you with an appropriate resolution. You can use the Ask form at https://support-en.wd.com/app/askweb. SanDiskConnections

  • Rated 1 out of 5 stars

    Sandisk is junk now!

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    Posted . Owned for 1 year when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    We have spent thousands on Sandisk and been loyal customers of their memory cards and drives until now. They knew these had probelms and continued selling them. The first one i received didnt work frim the beginning. They sent a replacement and I uploaded almost 4tb of my kids’ pictures and other things and it has sat on a shelf for months until i needed to access the pictures only to find it doesnt work!! Dont use this to backup anything important.

    No, I would not recommend this to a friend
    • Brand response from SanDisk Team
      Posted .

      Thank you for bringing this matter to our attention, and we sincerely apologize for the inconvenience you've experienced with our product. We deeply value your loyalty to SanDisk and regret that we didn’t meet your expectations this time. We understand how disappointing this must be, especially given the importance of your stored data.

      To assist you further, could you please provide your existing case number, RMA number, and contact details? This will help us arrange a callback at your convenience and ensure a thorough review of the issue.

      Please share these details only via direct message to our social media support handle @westerndigicare and be sure to mention this product review. We’re committed to resolving this matter swiftly. Once again, we’re truly sorry for any distress this has caused and appreciate your patience and continued support. SanDiskConnections