4TB SSDs drop as low as 4 cents per GB in Prime Day storage blowout -- these drives are on sale

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From low-end drives to the fastest PCIe 5, these are the best 4TB SSD deals.

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(Image credit: Future)

This Prime Day, we're seeing a slew of deals on 4TB SSDs. By our count, there are at least six drives with prices of 5 cents per GB and a single SATA drive that rings in at 4 cents per GB for bulk storage. The best deals overall are the mid-range Crucial P3 Plus for $209   or, at 6 cents per GB, the high-performing WD Black SN850X

At  $246, the WD Black SN850X is fairly close to its all-time lowest price of $229. The Samsung 990 Pro, which is just a little faster, is now at $291 (or 7 cents per GB). If you want the very latest Gen 5.0 PCIe drive, then take a look at Crucial's T700 4TB SSD, with read speeds of 12,400 MBps and write speeds of 11,800 MBps, now down to its lowest-ever price of $341. If you just want storage for cheap in a secondary drive, consider the TeamGroup QX 2.5-inch SATA, which is $166 (4 cents per GB).

We've collated these 4TB Prime Day SSD deals offers into a handy table so that you can take an easy glance at what's on offer, check out its price per GB, see its all-time low price, and of course what the going sales price is. 

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SSD Make and ModelInterfaceSale PriceCents per GBAll-time low Price
Samsung 990 Pro Gen 4.0$291$0.07$249
WD Black SN850XGen 4.0$246$0.06$229
Crucial P3 PlusGen 4.0$209$0.05$176
Crucial T700 Gen 5.0$341$0.09$341
TeamGroup MP44Gen 4.0$204$0.05$199
Corsair MP600 Core XTGen 4.0$234$0.06$159
TeamGroup MP44QGen 4.0$219$0.05$219
KingSpec XG 7000Gen 4.0Sold Out$0.05$194
Silicon Power UD90Gen 4.0$209$0.05$158
Crucial P3Gen 3.0$199$0.05$159
Acer Predator GM7000Gen 4.0$232$0.06$232
Lexar NM790Gen 4.0$239$0.06$239
TeamGroup QX2.5-inch, SATA$166$0.04?
Nextorage Japan Gen 4.0$299$0.08$279

Among these drives, our favorite 4TB SSD Prime Day deals are:

WD Black SN850X (4TB) SSD: now $246 at B&H  

WD Black SN850X (4TB) SSD: now $246 at B&H  (was $309)

The SN850X is a speedy PCIe 4.0 SSD for PCs, laptops, and the PlayStation 5. The drive boasts a sequential performance that peaks at 7,300 MB/s reads and 6,600 MB/s writes. See our review of the WD Black SN850X for more information.   

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Samsung 990 Pro (4TB) SSD: now $291 at Amazon

Samsung 990 Pro (4TB) SSD: now $291 at Amazon (was $464)
The top-rated PCIe 4 drive and our favorite SSD overall, the Samsung 990 Pro offers read and write speeds of 7,450 and 6,900 MB/s respectively. It showed impressive latency and sustained write performance in our tests. You can also get it at Newegg or B&H for the same price.

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Crucial P3 Plus (4TB) PCIe Gen 4 SSD: now $209 at Amazon

Crucial P3 Plus (4TB) PCIe Gen 4 SSD: now $209 at Amazon (was $237)
At just 5 cents per GB, this is quite a value. The P3 Plus is a Gen 4 drive that operates at 5000 MB/s read and write, along with 650K / 900K read and write IOPS.

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For more Prime Day savings, check out our best Prime Day SSD deals overall and our Prime Day tech deals live blog. 

Stewart Bendle
Stewart Bendle
Deals Writer

Stewart Bendle is a deals and coupon writer at Tom's Hardware. A firm believer in “Bang for the buck” Stewart likes to research the best prices and coupon codes for hardware and build PCs that have a great price for performance ratio.

3 Comments Comment from the forums
  • CST_275
    FikWot Brand is not bad either in SSD or 2280 M.2 ,
    Been using this brand for a while with great success
    Just ordered a 512 GB in 2280 PCIe x4 for £31 for a Intel 12100f budget build
    I think the 1Tb around the $47 mark
    Reply
  • Notton
    I am biased towards Crucial P3 and P3 Plus.
    They have the same price as competing brands, but I know their support and RMA process is way simpler to deal with.
    Reply
  • Pollopesca
    Notton said:
    I am biased towards Crucial P3 and P3 Plus.
    They have the same price as competing brands, but I know their support and RMA process is way simpler to deal with.
    That’s good to know. My RMA experiences for my Samsung SSDs was like pulling teeth.
    Reply