This SSD with 4TB and 7,300 MB/s read speeds will solve my gaming PC's storage woes — and it's got an exquisite $550 discount you won't find on Amazon

WD Black SN850X SSD on a wooden table
AI-Generated image of the WD_Black 4TB Internal SSD (SN850X). (Image credit: Tom's Hardware | Shane Downing)

Solid State Drives (SSDs) are an extremely desirable commodity right now, as newer games and programs require more storage space on computers and fast read/write speeds to help boost a computer's performance when running games (especially for getting out of loading screens as soon as possible).

One of the most popular SSDs that is fit to meet these growing demands is the WD_Black 4TB SSD (SN850) with a heatsink, which is selling like hot cakes now as its steep $1249.99 MSRP has been chopped down to a more reasonable price tag of $699.99 at Newegg.

Recent updates

Friday, March 27, 2026 @ 11:42 AM ET: I have checked and confirmed that the WD_Black 4TB SN850X SSD with Heatsink is still in stock at Newegg, and its discounted price of $699.99 is still active. I have also added alternative discounts for smaller and larger-sized versions of this SSD. — Alexander Cope, Contributor — Gaming

WD_Black 4TB SN850X NVMe Internal Gaming Solid State Drive with Heatsink
4TB SSD
Save 44% ($549.50)
WD_Black 4TB SN850X NVMe Internal Gaming Solid State Drive with Heatsink: was $1,249.49 now $699.99 at Newegg


"The 1TB WD Black SN850X is a powerful, high-end PCIe 4.0 SSD. Performance is near the top of the heap in almost every category, although it is outdone by the Platinum P41. The optional heatsink with RGB is something the Platinum P41 lacked." ~ Shane Downing, Freelance Reviewer

Tom's Hardware Review (1TB variant): ⭐⭐⭐⭐

Why buy the WD_Black SN850X 4TB SSD?

WD_Black 4TB SSD (SN850X)s have insane speeds of 7,300MB/S (Image credit: WD_Black)

WD_Black is a leading provider of the best SSDs on the market that provide a vast wealth of install space for games, personal photos and videos, or sensitive work documents.

The WD_Black 4TB (SN850X) SSD with a heatsink is no exception. This powerful component can store up to 4TB of data and process it with insanely high read speeds up to 7,300 MB/s and write speeds up to 6,600 MB/s.

It is also compatible with gaming PCs and PlayStation 5s, and has an attached heatsink.

With all these specs combined, the WD_Black 4TB (SN850X) SSD is more than capable of storing dozens of data-craving AAA titles like Monster Hunter Wilds and reducing their load times to mere seconds so you don't have to wait forever to get back into the action.

What's more is that the attached heatsink can keep the WD_Black 4TB (SN850X) SSD cool under extreme workloads and temperatures, so its performance doesn't suffer from thermal throttling.

The only negative drawbacks of the WD_Black 4TB (SN850X) SSD are its steep $1249.99 MSRP, which is too rich for most gamers' blood, and that its Game Mode 2.0 can feel a bit gimmicky depending on your perspective.

Fortunately, its biggest issue (the price) has been chopped down by a massive 44% discount for $699.99 at Newegg, making this the perfect time to grab more install space for your PC rig (I know mine certainly needs it).

Alternative discounts

If Newegg's stock or discount for the 4TB edition of the WD_Black (SN850X) SSD with a heatsink runs out, here are some alternative discounts for smaller or larger-sized versions you can use as backup options.

1TB

1TB with heatsink

2TB

2TB with heatsink

4TB

8TB

8TB with heatsink

FAQ

Can I use the WD_Black 4TB SSD (SN850X) in an external enclosure?

You can, but make sure the external enclosure is made of aluminium with thermal pads so it can endure the high heat levels the WD_Black 4TB SSD (SN850X) can reach.

Is the WD_Black 4TB SSD (SN850X) double-sided?

This SSD includes NAND flash modules on both sides of its printed circuit board, making it thicker than single-sided SSDs. This means you may have trouble installing it in laptops, PCs, or other devices that use tight M.2 slots.

Is the heatsink required for it to function?

The WD_Black 4TB SSD (SN850X) can work just fine without a heatsink, but many people recommend using the heatsink to boost the SSD's sustained performance.


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Alexander Cope
Staff Writer - Deals/Gaming News

Alexander Cope is a gaming veteran with over 35 years of experience who primarily covers Xbox and PC gaming news and spotlights discounts on the best laptops, peripherals, and other electronics. He's also a diehard fan of JRPGs, action games, beat em’ ups, and Capcom’s Monster Hunter series

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