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  • WD_BLACK™ SN850X NVMe™ SSD POWERED BY SANDISK™
  • Front. WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe - Black.
  • Alt View 11. WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe - Black.
  • Alt View 12. WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe - Black.
  • Alt View 13. WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe - Black.
  • Alt View 14. WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe - Black.
  • Alt View 15. WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe - Black.
  • Alt View 16. WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe - Black.
  • Insane Speeds Up to 7,300 MB/s (1) Based on read speed. 1 MB/s = 1 million bytes per second. Based on internal testing; performance may vary depending on host device, usage conditions, drive capacity, and other factors.
  • Minimized Latency Loads Graphics Fast
  • Capacities from 1TB to 4TB2 come in the form of a WD_BLACK SN850X WD Digital Western SSD NVMe. The SN850X offers 1GB/s read speeds and 1TB of storage, with actual user capacity depending on the operating environment.
  • GAME MODE 2.0 DELIVERS PC PERFORMANCE-BOOSTING FEATURES Dechboard 15.26 SThip://wdscddtunb2wdt.com/dwhbowd/ Model WD\_BLACK SN85eX NVM+ SSD G Fizmware Version: A0814UC0 Drive Heaith: Nozmal Security: Frozen 7 Status Performance Teels Software Serrings OPTIONS Gene Felders Select device WD\_BLACK SNEsex M O Saning Rode 2.8 NUTO ON OFF Settings WD\_BLA D.BLACK P10 Gam Xbox One: Your gami always on the gol Top-tier external HDD b specifically for gamers k expand the potential of so they can drive their way they choose APPLICATION UPDATE GAMING MODE 2.0 Specify folders for Dashboard to watch for gome launches. Selected Bame Folders Cr/Program Files [x86]/Stean/steanacon/connon ADD FOLDER x SIBUNTH & I gwing & 1 Pytnia = C./Program Files/Epie Ganes x Lear.More C./Program 11es/Oculus/Software x C/Rlet Cames x Shortcuts HINDONS 01ix MANA D./Steanlibraty/steanacon/connon x KENDOWS SYSTEM PRO WINDOWS DEVICE K SUP 2021 Western Digital Con
  • NEAR-MAX PCIe N850X GEN43 SPEEDS NVMeTM SSD [www.wdc.com](http://www.wdc.com) - WD\_BLACK SN850X Western Digital. Works with PCle B50X One notch slots only Sen4 Digital. (3) PCIe Gen4 storage technology requires a compatible motherboard. WD\_BLACK SN850X is backwards-compatible with PCIe Gen3.
  • 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:
Your price for this item is $379.99
The comparable value price is $610.99

Customer reviews

Rating 4.9 out of 5 stars with 478 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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Cons mentioned filter

98%would recommend to a friend

Customers are saying

Customers often highlight the BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe's impressive storage capacity and excellent performance. Many praise its ease of installation and compatibility with various systems, including the Playstation 5. While some users note that the drive can run warm, the positive feedback on speed, capacity, and ease of use outweighs this concern for most buyers. The drive is also frequently lauded as offering great value for its 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 478 reviews
  • Pros mentioned:
    Speed, Storage

    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
  • Pros mentioned:
    Storage

    great

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

    lots of space very fast easy install great product for price

    I would recommend this to a friend
  • Pros mentioned:
    Price, Speed

    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
  • Pros mentioned:
    Speed

    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
  • Pros mentioned:
    Speed, Storage

    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
  • Pros mentioned:
    Speed

    Great!

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

    Provides lots of storage and fast to boot. Can boot up Eldergleam A skyrim Mod list pretty efficiently!

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use, Price

    Great SSD

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

    Works great inside my PS5. Very easy to install. Reasonable price.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    ssd drive

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

    great ssd drive works very well was easy to install no issues would buy again.

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    Fantastic with macOS

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

    Very fast and works fantastic either as a boot drive or external SSD via an enclosure.

    I would recommend this to a friend
  • Pros mentioned:
    Speed
    Cons mentioned:
    Heat

    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
  • Pros mentioned:
    Performance

    Decent SSD

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

    Easy to install and works great as well speeds is nice.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use, Performance

    Fast and reliable

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

    Fast, easy to install and reliable would recommend

    I would recommend this to a friend
  • Pros mentioned:
    Price, Speed

    Nvme SD

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

    Very fast drive and very reasonably priced. Would recommend for large storage

    I would recommend this to a friend
  • Pros mentioned:
    Performance, Price

    great price and performance

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

    Great performance and price. Would recommend this drive when it's on sale.

    I would recommend this to a friend
  • Pros mentioned:
    Speed

    No regrets.

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    Posted . Owned for 10 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Year of use... fast, real world tests showed 2x the speed of the ssd that came with computer. no wear detected despite games downloaded, updates and recording my games. No regrets, great purchase.

    I would recommend this to a friend
  • Pros mentioned:
    Performance

    Great

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    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great item. I recommend a lot. Amazing.. Very good

    I would recommend this to a friend
  • Pros mentioned:
    Performance, Price

    Solid purchase

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

    Great performance, and a solid price for a 4TB NVME SSD. Dashboard software and game mode work well.

    I would recommend this to a friend
  • Pros mentioned:
    Speed, Storage

    Just what I needed

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

    Do you need Speed and storage? yes and yes please!

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use, Performance

    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
  • Pros mentioned:
    Ease of use, Storage

    PS5 SSD

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

    Awesome it works great easy install and holds all my ganes

    I would recommend this to a friend
Page 10, Showing 181-200 of 478 reviews
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