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Customer Ratings & Reviews

  • WD_BLACK™ SN850X NVMe™ SSD POWERED BY SANDISK™
  • WD_BLACK™ SN850X NVMe™ SSD WD_BLACK SN850X 4 TB POWERED BY SANDISK™
  • WD_BLACK™ SN850X 4TB NVMe™ SSD WD_BLACK SN850X POWERED BY SANDISK™
  • WD_BLACK™ SN850X NVMe™ SSD WD_BLACK™ SN850X POWERED BY SANDISK
  • M2A_CP 8O PCIEX16 :: CECC TCN 948 M E EAC ASSEM: a : UK D33006 CE FC Pb 10 CA RoHS SN850X NVMe mE SSD WD_BLACK WD_BLACKT SN850X IRO 140 11 21 PCIEX1 POWERED BY SANDISK REV:1.0 138 - SPDIF PCIEX1 PCIEX1 4 PCIEX4 BEPEEMEECES G S 60 . USK ad SB M20 M/BIOS 9 ASE 3 246 2 4 - AT TF LAS CEM SATA3 PON Th 1e + CR2032 RB r CLR_CMOS RST SW
  • 269k PCIEX16 5 ap M o M2A PCIEX1 3 PCIEXI PCIEX4 80 Pb 10 UK CA D33006 RoHS CE WD_BLACK SN850X NVMe™ SSD WD_BLACK SN850X PCIEA O POWERED BY SANDISK 19SJB E SB VE M2P P8 : 195 B
  • SN850X overview video video 0 minutes 48 seconds

WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

Model:
WDBB9G0040BNC-WRSN
SKU:
6512129
Highly rated by customers for:
$599.99
Save $1,125
The comparable value is $1,724.99

Customer reviews

Rating 4.9 out of 5 stars with 515 reviews

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Rating by feature

  • Value

    Rating 4.7 out of 5 stars

  • Quality

    Rating 4.9 out of 5 stars

  • Ease of Use

    Rating 4.9 out of 5 stars

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There aren't enough negative mentions yet.
98%would recommend to a friend

Customers are saying

Customers commend the BLACK SN850X 4TB Internal SSD for its speed, ample storage, and great performance. Users also appreciate its ease of use and installation, considering it a perfect SSD M.2 hard drive with wide-ranging compatibility. Some customers noted the absence of a heat sink as a potential drawback. Overall, many find it to be a great product for the price.

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 10 Showing 181-200 of 515 reviews

  • Awesome Drive 4tb

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

    I purchased this wd sn850x with 4tb space. It really is an awesome drive for room and speed. Love this drive and WD products.

    I would recommend this to a friend

  • Perfect item

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    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works as intended fast, speedy, reliable. Would get it again.

    I would recommend this to a friend

  • Solid purchase

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

    Reliable and fast. No issues since purchase, would definitely buy again.

    I would recommend this to a friend

  • Super-fast storage upgrade!

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

    I installed this WD_BLACK SN850 NVMe SSD in my PC and it made a huge difference right away. Boot times are almost instant, and games load in just a few seconds. The installation was easy and the drive runs cool and quiet. Definitely worth the price for the performance boost. Highly recommend for anyone upgrading their system or building a gaming rig.

    I would recommend this to a friend

  • Perfect for gaming

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

    This is a awesome NVMe. fast and alot of space. loads my games 4x faster than my SSD I had.

    I would recommend this to a friend

  • Top Quality M.2 Drive

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

    The SN850X is the perfect balance of quality, performance and price! Boot times are great and never had a single issue with drive recognition. Will continue to buy in the future!

    I would recommend this to a friend

  • It works

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

    Works great, runs fast, don't have to worry about running out of space with 4tb.

    I would recommend this to a friend

  • Fast reliable Storage for your PC

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

    This Product was very easy to install if you are confident in your dexterity with small pieces. Make sure you back up to the cloud 1st before you attempt this and make a recovery USB drive with Windows 10 or 11 on it if you are replacing your primary Operating system drive if not then this should plug in without any problem. if you do not want to attempt to replace your OS drive then hire Geek Squad to do it for you.

    I would recommend this to a friend

  • Simple 4tb SSD

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

    Fast. Easy to install and format. A couple of Youtube videos and wha la.

    I would recommend this to a friend

  • Fast, lots of memory, worth it

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

    Super fast, lots of memory, and the perfect example of what a SSD should be

    I would recommend this to a friend

  • Competitively priced

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

    Works flawlessly with the PlayStation 5. This was just the right amount of storage and speed that I needed.

    I would recommend this to a friend

  • Killer SSD with a good price point

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

    Expanded my storage by a good amount, everything runs and loads quickly no hassle whatsoever!!!

    I would recommend this to a friend

  • Excellent Deal

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

    Excellent price and works as advertised now I have 6TB of super fast storage.

    I would recommend this to a friend

  • Blazing speed

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

    This drive absolutely flies when used with a Acasis enclosure and with a MacBook with thunderbolt 3/4.

    I would recommend this to a friend

  • Smoking fast

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

    Screaming fast , runs a little hot so you will need heat sync, but at this price point it’s an amazing deal.

    I would recommend this to a friend

  • Fast and reliable

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

    Very fast and reliable. This SSD is usually ranked in the top three available in it's catagory. I actually bought 2 of these and one is for my OS. I can only say good things about this drive.

    I would recommend this to a friend

  • Highly recommend

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

    Very good drive. Great read and write speeds. Great price. Highly recommend. 10/10

    I would recommend this to a friend

  • Fastest and hottest ssd

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

    Fast drive. Runs pretty warm even with a good heatsink. Needs a case with lots of cooling.

    I would recommend this to a friend

  • Western Digital for the win!

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

    Very fast and reliable. I used to buy only Samsung, but WD is hitting it out of the park lately.

    I would recommend this to a friend

  • Awesome SSD

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

    Awesome purchase, really great product, easy to install Performance is superb, by far the best SSD I ever had

    I would recommend this to a friend
Page 10, Showing 181-200 of 515 reviews
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