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Customer Ratings & Reviews

  • 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

Rating Filter

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

Pros mentioned filter

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 15 Showing 281-300 of 478 reviews
  • Pros mentioned:
    Speed

    Good deal

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

    Super fast. Easy to install and got it at a decent price.

    I would recommend this to a friend

  • Never failed me yet, Team Best Buy!!

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

    Best Buy has never failed me yet since I have been a customer. Best Buy supplies ALL my electronic needs with FLAWLESS Customer Satisfaction right at the door

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

    Wish I got sooner !

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

    So happy I upgraded to a 4TB for my PC! I was running out of room on my 2 TB. I now have all of my games downloaded onto this baby !! 10/10

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

    WD NVMe

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

    I got on a sale and at that time it was a great value for storage you get. Personally, this company has always been fast with its hard drives.

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

    Bits n Bytes

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    Posted . Owned for 6 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Easy install and a decent amount ir storage space from a trustworthy brand.

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

    Works perfectly!

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

    Fastest SSD I’ve ever owned. I ended up buying 4 and forgoing SATA SSDs altogether. It’s great!

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

    Great price and bery fast

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

    Speed is awesome and 4tb is great since all the games seem to get bigger all the time 2tb will not cut it for much longer.

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

    The best

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

    I was so nervous that I would miss out on something by not going with Samsung but this unit works incredibly well

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

    4tb is awsome

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

    I never really thought in my life i would have over 4 terabytes to use but this Mdot2 4tb ssd eorks great and its easy to install

    I would recommend this to a friend

  • Great Value and very speedy

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

    Great Value for those who have large files and need more storage on a local internal drive with good speed

    I would recommend this to a friend

  • Great!

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

    Having a 4TB main disk is awesome. No longer have to worry about deciding which games or apps are installed on your SSD.

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

    Excellent speed

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

    Easy to install, the software doesn’t seem to be very necessary to do anything. 

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

    Small drive

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

    Drive was installed by Best Buy and works great in my computer. Added a lot of additional storage for computer

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

    Perfect PCIe 4.0 drive

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

    The read and write speeds on this are ridiculous, transferring bug files? Downloading huge games and hate waiting? Buy it!

    I would recommend this to a friend

  • Pricey, but good.

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

    Smaller than a hard drive but a little more pricey, but overall I like it.

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

    Great Hard-drive

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

    Works just like its supposed to!! I would buy again!

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

    Quick, Big, Exactly 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.

    Quick, Big, Exactly what I needed. I run most heavy programs along with my system on this drive and it's super fast with no issues.

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

    Great hard drive

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

    This is a fast dard drive. I have not had any problems with it. Everything loads fast from it

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

    More Space

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

    I had a 2TB WD Black and needed more space, so I upgraded to the 4TB drive in my laptop as the second drive. I have had no problem with it.

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

    Buy this now!!!

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

    Great item. Worth the price. Super fast and overall just a great item.

    I would recommend this to a friend
Page 15, Showing 281-300 of 478 reviews
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