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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:
12209036
$795.96
Save $929.03
Comp. Value: $1,724.99

Customer reviews

Rating 4.9 out of 5 stars with 495 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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98%would recommend to a friend
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 495 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.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    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.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    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.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    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.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    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

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    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.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    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!!!

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    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.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    I would recommend this to a friend

  • Moo

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    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I really wanted more storage for the crap I keep saving on my computer. It’s like buying acres of land for the viruses to roam free. 10/10 would buy again.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    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.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    I would recommend this to a friend

  • Excellent

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    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Speedy ssd, put my is on it because, but that did not improve boot times because I'm on a 7000 series CPU. Loads things very fast.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    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

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    I would recommend this to a friend

  • Great speed

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

    Fast and reliable, what else can be said. Getting another.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    I would recommend this to a friend

  • Fast M.2 and a lot of space for large files

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

    Amazingly fast m.2. Upgraded from a 500gb drive to this for my game drive. Tons of space and fast

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    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.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    I would recommend this to a friend

  • 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.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    I would recommend this to a friend

  • Great for gamers

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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 perfect to add to my PS5, it added so much space so I can now fit all my games without having to move or delete any to play!

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    I would recommend this to a friend

  • 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.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    I would recommend this to a friend

  • 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.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    I would recommend this to a friend

  • 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.

    This review is from WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe

    I would recommend this to a friend
Page 10, Showing 181-200 of 495 reviews
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