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Greenteaic626 10.4K Views
Dec 10, 2025 6:48 PM

2TB WD_BLACK SN7100X PCIe Gen 4 NVMe M.2 2280 SSD for ROG Xbox Ally (X) & PC

$160

+ Free Shippingat SanDisk
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Deal Details
SanDisk has 2TB WD_BLACK SN7100X PCIe Gen 4 NVMe M.2 2280 Solid State Drive on sale for $159.99. Shipping is free.
  • Note: Includes 1 Month trial of Xbox Game Pass Ultimate
Thanks to community member Greenteaic626 for finding this deal.

Specs:
  • Sequential Read Performance: 7250MB/s
  • Sequential Write Performance: 6900MB/s
  • Compatibility: Windows 10/11; ROG Xbox Ally; ROG Xbox Ally X

Editor's Notes

Written by megakimcheelove | Staff
  • 5-Year Limited Warranty
  • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion. 

Original Post

Written by Greenteaic626
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
SanDisk has 2TB WD_BLACK SN7100X PCIe Gen 4 NVMe M.2 2280 Solid State Drive on sale for $159.99. Shipping is free.
  • Note: Includes 1 Month trial of Xbox Game Pass Ultimate
Thanks to community member Greenteaic626 for finding this deal.

Specs:
  • Sequential Read Performance: 7250MB/s
  • Sequential Write Performance: 6900MB/s
  • Compatibility: Windows 10/11; ROG Xbox Ally; ROG Xbox Ally X

Editor's Notes

Written by megakimcheelove | Staff
  • 5-Year Limited Warranty
  • Please see the original post for additional details & give the WIKI and additional forum comments a read for helpful discussion. 

Original Post

Written by Greenteaic626

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Top Comments

Community Reviews

The SN7100X is a fast 2TB Gen 4 NVMe drive that fits handhelds and laptops especially well, with strong sequential speeds, low power draw, and lower heat than many alternatives. It is described as an OEM style WD model that should handle gaming and general use smoothly, and its efficiency makes it a better match for confined devices. The main tradeoffs are that it is DRAM less, so sustained writes and endurance are not as strong as the SN850X, and PC gaming often does not need this much speed. Pricing also feels elevated, with some preferring to wait for a lower sale price.

  • The SN7100X can deliver efficient low power usage that suits handheld devices well.

  • The SN7100X is positioned as a WD OEM variant that still provides strong sequential performance for gaming and general use.

  • The SN7100X may run cooler than some budget NVMe designs, which can help thermals in portable systems.

  • The deal can be improved with a newsletter signup coupon that provides 10% off for new customers.

  • The SN7100X lacks DRAM, which can increase NAND wear and may reduce sustained performance.

  • The SN7100X can have looser sustained write and endurance ratings compared with the SN850X.

  • The SN7100X may throttle in confined performance-focused devices if SSD heat rises too much.

  • The SN7100X's 5500MB/s max read speed may cause PS5 compatibility issues if real-world speeds fall below the minimum requirement.

Common Questions (4)

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28 Comments

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Dec 10, 2025 11:53 PM
227 Comments
Joined May 2024
SociableHaddock3665Dec 10, 2025 11:53 PM
227 Comments

Our community has rated this post as helpful. If you agree, why not thank

Is it necessary to phrase it specifically for ally x?
3
Original Poster
Dec 11, 2025 5:41 AM
7 Comments
Joined Sep 2020
Greenteaic626
Original Poster
Dec 11, 2025 5:41 AM
7 Comments
Quote from SociableHaddock3665 View quoted comment :
Is it necessary to phrase it specifically for ally x?
That's how its phrased on the Sandisk website, which I agree can be misleading but at least they specified that it's also for PC. Hope that helps!
Dec 11, 2025 1:58 PM
226 Comments
Joined Feb 2014
Steven409Dec 11, 2025 1:58 PM
226 Comments

Our community has rated this post as helpful. If you agree, why not thank

If you aren't going to be using it in a console where the lower heat of the 7100X will matter more, the 2TB SN850X is $135-$139 right now at Walmart (select stores only).

https://slickdeals.net/f/18870490

SN850X: ~7,300 MB/s read / ~6,300–6,600 MB/s write across capacities

SN7100X: ~7,250 MB/s read / ~6,900 MB/s write (1–2 TB models)


Choose SN850X if:
- You value DRAM cache and sustained performance under heavier loads.

- You want a proven high-end Gen4 drive with long track record.

-You're building a desktop gaming/creator rig.

Great all-around strong performer and longtime enthusiast favorite.



Choose SN7100X if:
- You want newer NAND and efficiency (battery-friendly in laptops portable consoles).

- You prefer lower heat and power draws.

- You're buying for gaming/system SSD where the tiny DRAM benefit isn't critical.

- You want slightly better write performance per dollar.

Best bang-for-your-buck modern Gen4 SSD.
9
1
Dec 11, 2025 4:49 PM
1 Comments
Joined Mar 2018
healthylifedmDec 11, 2025 4:49 PM
1 Comments
Will this work on a Legiom Go S?
Dec 11, 2025 6:48 PM
69 Comments
Joined Oct 2011
lzbDec 11, 2025 6:48 PM
69 Comments

Our community has rated this post as helpful. If you agree, why not thank

Quote from SociableHaddock3665 View quoted comment :
Is it necessary to phrase it specifically for ally x?
Marketing aside, this model has especially low power usage compared to other SSDs that makes it better for handhelds.
1
Dec 11, 2025 7:00 PM
1.1K Comments
Joined Jun 2006
zyberwoofDec 11, 2025 7:00 PM
1.1K Comments
Quote from lzb View quoted comment :
Marketing aside, this model has especially low power usage compared to other SSDs that makes it better for handhelds.
I imagine that heat could be another factor in a performance-focused device with a confined space. A SSD that heats up more could end up throttling down. Also, a SSD that heats up more could contribute to other components throttling as well.
Dec 11, 2025 9:45 PM
56 Comments
Joined Mar 2018
BrightMint678Dec 11, 2025 9:45 PM
56 Comments
SN5000 WD 2TB is in and out of stock for $124 at Walmart. I think that would be a better value. It's slower, but I don't think you can tell the difference

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Dec 11, 2025 9:46 PM
124 Comments
Joined Aug 2013
JordanJ5883Dec 11, 2025 9:46 PM
124 Comments
Quote from Steven409 View quoted comment :
If you aren't going to be using it in a console where the lower heat of the 7100X will matter more, the 2TB SN850X is $135-$139 right now at Walmart (select stores only).

https://slickdeals.net/f/18870490

SN850X: ~7,300 MB/s read / ~6,300–6,600 MB/s write across capacities

SN7100X: ~7,250 MB/s read / ~6,900 MB/s write (1–2 TB models)


Choose SN850X if:
- You value DRAM cache and sustained performance under heavier loads.

- You want a proven high-end Gen4 drive with long track record.

-You're building a desktop gaming/creator rig.

Great all-around strong performer and longtime enthusiast favorite.



Choose SN7100X if:
- You want newer NAND and efficiency (battery-friendly in laptops portable consoles).

- You prefer lower heat and power draws.

- You're buying for gaming/system SSD where the tiny DRAM benefit isn't critical.

- You want slightly better write performance per dollar.

Best bang-for-your-buck modern Gen4 SSD.

This guy SSD's
3
Pro
Dec 11, 2025 9:54 PM
14.4K Comments
Joined Aug 2004
avalon
Pro
Dec 11, 2025 9:54 PM
14.4K Comments
sheesh I just want $25 240GB SSD again

never gonna happen eh?

what are y'all doing with 2TB ssd
2
Dec 11, 2025 10:16 PM
769 Comments
Joined Aug 2004
PirinDec 11, 2025 10:16 PM
769 Comments
How did I not know that WD bought SanDisk almost 10 years ago!!?!!
Dec 11, 2025 10:17 PM
226 Comments
Joined Feb 2014
Steven409Dec 11, 2025 10:17 PM
226 Comments
Quote from BrightMint678 View quoted comment :
SN5000 WD 2TB is in and out of stock for $124 at Walmart. I think that would be a better value. It's slower, but I don't think you can tell the difference
The max read speed for that drive is 5500MB/s, which will be barely noticeable when compared to the 7000+MB/s of the others on a PC (fractions of a second).

May be a different story for PS5 though. While it SHOULD be fine since that's the minimum speed required, I've seen quite a few forums where users report compatibility issues when installing it in a PS5. Seems the normal "real-world" speeds are closer to 5000MB/s falling short of the minimal requirement and resulting in the PS5 rejecting it as insufficient.
Pro
Dec 11, 2025 10:27 PM
7.9K Comments
Joined Sep 2014
CTRL-ALT-DEALS
Pro
Dec 11, 2025 10:27 PM
7.9K Comments
Quote from Steven409 View quoted comment :
The max read speed for that drive is 5500MB/s, which will be barely noticeable when compared to the 7000+MB/s of the others on a PC (fractions of a second). May be a different story for PS5 though. While it SHOULD be fine since that's the minimum speed required, I've seen quite a few forums where users report compatibility issues when installing it in a PS5. Seems the normal "real-world" speeds are closer to 5000MB/s falling short of the minimal requirement and resulting in the PS5 rejecting it as insufficient.
I recall learning that the faster Gen 4 speeds generally don't matter on PS5. Better to just get the cheapest Gen 4 - in my case that was a 2TB Crucial P3 Plus for $120 with heatsink included. Been performing flawlessly on PS5 despite only being around 5000/4200 MB/s.

No perceptible speed difference from the stock SSD in PS5.
Dec 11, 2025 10:57 PM
360 Comments
Joined Dec 2007
BillyMumphryDec 11, 2025 10:57 PM
360 Comments
Quote from MostBased View quoted comment :
I recall learning that the faster Gen 4 speeds generally don't matter on PS5. Better to just get the cheapest Gen 4 - in my case that was a 2TB Crucial P3 Plus for $120 with heatsink included. Been performing flawlessly on PS5 despite only being around 5000/4200 MB/s. No perceptible speed difference from the stock SSD in PS5.
If you are just PC gaming, Gen 3 is really all you need. Hardware Unboxed did a nice video comparing speeds. "Best SSD for Gaming 2025: PCIe 5.0 vs 4.0 vs 3.0 vs SATA vs HDD"
Dec 11, 2025 11:20 PM
226 Comments
Joined Feb 2014
Steven409Dec 11, 2025 11:20 PM
226 Comments
Quote from MostBased View quoted comment :
I recall learning that the faster Gen 4 speeds generally don't matter on PS5. Better to just get the cheapest Gen 4 - in my case that was a 2TB Crucial P3 Plus for $120 with heatsink included. Been performing flawlessly on PS5 despite only being around 5000/4200 MB/s.

No perceptible speed difference from the stock SSD in PS5.
Good info. The issues I've read regarding the slower drives were from awhile back, so it's possible firmware was updated to accept "slower" drives.

I bought a 2TB XPG S70 Blade for my PS5 back in 2021 for $99. Was expensive because it was just released, but I would've bought 2 if I had known prices were going to increase as much as they have. That same drive is now $179-199.

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Dec 11, 2025 11:33 PM
226 Comments
Joined Feb 2014
Steven409Dec 11, 2025 11:33 PM
226 Comments
Quote from BillyMumphry View quoted comment :
If you are just PC gaming, Gen 3 is really all you need. Hardware Unboxed did a nice video comparing speeds. "Best SSD for Gaming 2025: PCIe 5.0 vs 4.0 vs 3.0 vs SATA vs HDD"
I definitely agree that it's not worth the extra price to buy an NVMe over SATA just for gaming, but I've seen most SATA drives priced pretty close to NVMe drives lately (sometimes more). In these instances, if you have the extra M.2 slots available, might as well spend just a bit more.

I ran a 2TB SATA drive in my last PC with a Ryzen3700x and 3070. In my new build, which has a Gen4 NVMe, the difference in load times for most games was less than 2 seconds.

Cyberpunk, for instance, took 7 seconds to load from main menu using the SATA. On the NVMe, it took 5 seconds. No other perceivable difference once loaded.

The only time I noticed a difference was when transferring data back and forth which want get often. For every day use in the PC world, there's really nothing in Windows or current games that require (let alone utilize) the speed of an NVMe.

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