Hard Drive | 4 TB |
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SanDisk 4TB Extreme PRO Portable SSD - Up to 2000MB/s - USB-C, USB 3.2 Gen 2x2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE81-4T00-G25
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Digital Storage Capacity | 4 TB |
Hard Disk Interface | USB 3.2 |
Connectivity Technology | USB |
Brand | SanDisk |
Special Feature | Hardware Encryption,Portable |
Hard Disk Form Factor | 2.5 Inches |
Compatible Devices | Laptop, Desktop, Tablet, Smartphone |
Installation Type | External Hard Drive |
Color | Black |
Hard Disk Size | 4 TB |
About this item
- Powerful NVMe solid state performance featuring up to 2000MB/s read/write speeds.(1) (Based on internal testing; performance may be lower depending on host device, interface, usage conditions and & other factors. 1MB=1,000,000 bytes.)
- A forged aluminum chassis acts as a heatsink to deliver higher sustained speeds in a portable drive that’s tough enough to take on any adventure.
- Up to 3-meter drop protection and IP65 water and dust resistance(4), and a handy carabiner loop. (Previously rated for 2-meter drop protection and IP55 rating. Now qualified for the higher, stated specs.)
- Help keep private content private with the included password protection featuring 256‐bit AES hardware encryption.(3)
- Easily manage files and automatically free up space with the SanDisk Memory Zone app.(5) (Download and installation required.)
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This Item SanDisk 4TB Extreme PRO Portable SSD - Up to 2000MB/s - USB-C, USB 3.2 Gen 2x2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE81-4T00-G25 | Recommendations | dummy | dummy | dummy | dummy | |
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Price | -28% $287.99$287.99 List: $399.99 | -20% $159.94$159.94 List: $199.99 | -22% $279.99$279.99 List: $359.99 | -20% $159.99$159.99 List: $199.99 | -20% $159.99$159.99 List: $199.99 | -20% $119.99$119.99 List: $149.99 |
Delivery | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 | Get it as soon as Wednesday, Apr 3 |
Customer Ratings | ||||||
Portability | 4.4 | 4.6 | 4.6 | 4.6 | 4.6 | 4.8 |
Storage Capacity | 4.3 | 4.5 | 4.5 | 4.5 | 4.5 | 4.6 |
Tech Support | 3.0 | 3.9 | 3.9 | 3.9 | 3.9 | — |
Easy to use | — | 4.0 | 4.0 | 4.0 | 4.0 | 4.2 |
Sold By | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Amazon.com | Amazon.com |
storage capacity | 4 TB | 2 TB | 4 TB | 2 TB | 2 TB | 2 TB |
hardware interface | usb3.2 gen 2 x 2 | usb3.1 c | usb c | usb c | usb c, solid state drive | usb3.2 gen 2, usb c |
compatible devices | Desktop, Laptop, Tablet, Smartphone | Laptop, Desktop, Tablet | Laptop, Desktop, Tablet | Laptop, Desktop, Tablet | Laptop, Desktop, Tablet | Laptop |
form factor | Portable | Portable | Portable | Portable | Portable | Portable |
write speed | 2000 | 1000 megabits per second | 1000 megabits per second | 1000 megabits per second | 1000 megabits per second | — |
read speed | 2000 megabytes per second | 1050 megabytes per second | 1050 megabytes per second | 1050 megabytes per second | 1050 megabytes per second | 800 megabytes per second |
From the manufacturer
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Fast and Dependable
Get powerful NVMe solid state performance featuring up to 2000MB/s(1) read/write speeds in a portable drive that’s reliable enough to take on any adventure.
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Work Faster and Longer
Save time storing and transferring data with the forged aluminum chassis that also acts as a heatsink to deliver higher sustained speeds.
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Tough Enough to Take with You
Up to three-meter drop protection and IP65 water and dust resistance,(4) and a handy carabineer loop for securing to your belt or backpack all make this drive rugged enough to take anywhere.
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Encryption for Extra Security
Help keep private content private with the included password protection featuring 256‐bit AES hardware encryption.(3)
Complete Your Gear Bag
Extreme PRO Portable SSD | Extreme Portable SSD | Extreme PRO SD UHS-I Card |
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Higher sustained speedsTransfer speeds up to 2000MB/s(1) read and write | Work straight from the driveFast transfer speeds up to 1050MB/s(7) read and 1000MB/s(7) write | Accelerate your workflowShot speeds up to 140MB/s, transfer speeds up to 200MB/s(8) |
Tough Enough to Take with YouIP65 and aluminum enclosure for added durability(4) | Work SaferIP65 rate for dust- & water-resistance(4) | 4K UHD Ready(6)Capture all the action with-out skipping a frame |
Legal Disclaimers
* 1TB=1,000,000,000,000 bytes. Actual user storage less. (1) Up to 2000MB/s read and write speeds. Requires compatible devices capable of reaching such speed. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. (2) See official SanDisk website. (3) Password protection uses 256-bit AES encryption and is supported by Windows 8, Windows 10 and macOS v10.9+. (4) Previously rated for 2-meter drop protection and IP55 rating. Now qualified for the higher, stated specifications. Based on internal testing. IPEC 60529 IP55/IP65: Tested to withstand water flow (30 kPa) at 3 min.; limited dust contact does not interfere with operation. Must be clean and dry before use. (5) Download and installation required; See official SanDisk website for Memory Zone details. (6) Up to 1050MB/s read speed, up to 1000MB/s write speed. Requires compatible devices capable of reaching such speed. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. (7) Read speed only, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. (8) Full HD (1920x1080) and 4K UHD (3840x2160) video support may vary based upon host device, file attributes and other factors. See official SanDisk website for more details.
Western Digital, the Western Digital logo, the Western Digital design, SanDisk, the SanDisk logo, Memory Zone and SanDisk Extreme PRO are registered marks or marks of Western Digital Corporation or its affiliates in the US and/or other countries. Google Play is a mark of Google LLC. The NVMe mark is a registered mark of NVM Express, Inc. All other marks are the property of their respective owners. Product specifications subject to change without notice.
2023 Western Digital Corporation or its affiliates. All rights reserved. Western Digital Technologies, Inc. is the seller of record and licensee in the Americas of SanDisk products.
What's in the box
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Product information
Technical Details
Brand | SanDisk |
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Series | SanDisk Extreme PRO Portable SSD |
Item model number | SDSSDE81-4T00-G25 |
Hardware Platform | PC, Mac |
Item Weight | 2.75 ounces |
Product Dimensions | 0.41 x 2.28 x 4.36 inches |
Item Dimensions LxWxH | 0.41 x 2.28 x 4.36 inches |
Color | Black |
Flash Memory Size | 4 |
Hard Drive Interface | USB 3.2 |
Manufacturer | Western Digital Technologies, Inc. |
Language | English |
ASIN | B08RX3343D |
Country of Origin | China |
Is Discontinued By Manufacturer | No |
Date First Available | January 2, 2021 |
Additional Information
Customer Reviews |
4.3 out of 5 stars |
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Best Sellers Rank | #9 in External Solid State Drives |
Warranty & Support
Feedback
Product Description
Creating top-tier content can put a strain on your device, your camera or your system. From the brand trusted by professional photographers worldwide, the SanDisk Extreme PRO Portable SSD provides powerful solid state performance featuring 2000MB/s read and 2000MB/s write speeds in a rugged storage solution that’s reliable for your toughest jobs.
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the size of the computer drive, mentioning it's very compact and thin. They say it fits in a cool little sleeve that sticks to the top of their laptop. However, some customers have reported issues with data loss. Opinions are mixed on performance, quality, ease of use, and value.
AI-generated from the text of customer reviews
Customers are satisfied with the size of the external hard drive. They mention that it is very compact and thin, fits in a cool little sleeve, and is one of the most portable for the sheer storage space. Some say that the drive is much smaller than they expected, and perfect for laptops or small towers. Overall, most are happy with the product's size.
"...It is very compact and nicely built. Excellent external texture with even a corner clip hole...." Read more
"...The drive is not super fast, but it's fine for what I need. It's super light and portable - the size of my Android phone, so ideal if you need an..." Read more
"...Anyways, I think it’s a great portable drive if you’re going to be using it with your laptop while on the go and need access to larger files or just..." Read more
"...It's tiny. I love it." Read more
Customers are mixed about the ease of use of the computer drive. Some mention that it's simple to use and fast, while others say that it is extremely frustrating and difficult to make a backup with this drive.
"...fact I may buy another one as it's a great drive quiet , fast and very convenient. 5 out of 5 stars for me bar none." Read more
"Great speed, ease of use, and compact design." Read more
"...The hub is added hardware to carry, and extra work to use the SSD with my mobile hardware so I am only giving it 4 stars." Read more
"...This makes it extremely portable and convenient for on-the-go professionals like myself...." Read more
Customers are mixed about the performance of the computer drive. Some mention that it's a well-built, fast drive with incredible read and write speeds of up to 2000MB/s. They also say that the upload speed is very fast. However, others say that it is completely unusable and they lost all their data.
"TL;DR: This drive personally verified capable of large, sustained reads for hours if needed and had no problem transferring 500GB+ of data..." Read more
"...The drive is not super fast, but it's fine for what I need...." Read more
"...of this to say that I believe this drive is probably fully capable of its advertised speeds, but you will likely not see speeds that fast due to OS..." Read more
"...'s customer support for unit 04, which has been experiencing massive internal problems from when corporate was hacked a few weeks ago.... okay, fine..." Read more
Customers are mixed about the quality of the computer drive. Some mention it has a solid construction, and is reliable. They say it makes their digital life much more convenient. However, other customers say that the file system has been corrupted three times on this drive in a couple months.
"...It is very compact and nicely built. Excellent external texture with even a corner clip hole...." Read more
"...In one instance, the entire contents were lost due to a corrupt NTFS master file table. These units were purchased for data archival...." Read more
"...The one unit of this that works, it does work fine and the paint job is prettier than the non pro, of which I also have--no issues with the non pro..." Read more
"...The USB-C connection into the drive side was sketchy, wobbly, but I’m not moving around when using it, so it was ‘stable enough’ for my purposes...." Read more
Customers are mixed about the value of the computer drive. Some mention that it's good value, has quality for the price, and is worth the extra. Others say that it isn't worth the premium price unless you have the more recent ports.
"It's a little pricier but when it comes to hard drives it's worth the additional cost to:..." Read more
"...is a good brand, but this is a lemon, and unreliable product, not worth the $$ for a “crapshoot”...." Read more
"...I was really excited for the form-factor, portability and overall price(found on sale even!)...." Read more
"...NO PROBLEMS WHATSOEVER! It has NEVER failed me. Inexpensive, fast, reliable, & rugged (i've accidentally dropped it onto the floor a few times)...." Read more
Customers are dissatisfied with the data on the computer drive. They mention that it lost data initially, and then would not mount. Some say that the drive overheated and destroyed all the data. They also say that they can no longer access the 3TB of data.
"...You must only erase the data partition...." Read more
"...Now, the drive is completely unusable and I lost all my data for a second time and frankly, this has become nothing more than e-waste...." Read more
"...year, the hard drive self-erased every 3-4 months causing me to lose valuable data. The drive storage was rarely be used beyond 1TB...." Read more
"...complaining about this happening to them with these disks: all data just disappearing...." Read more
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I've gone through several Samsung and Crucial external SSDs and one common thing is they all "cache out" sooner than later or even overheat and transfer speeds quickly plummet (sub 50-75MB/sec in some instances) when you're doing large (>100GB) transfers or if you're using the drive as an attached active media for real time use like using a replicated database or photo editing. If the job ends up R/W > 75-100GB+ I will always see drive slow downs consistently on those Samsung and Crucial models. They are good for small, quick transfers especially sub 25GB but anything remotely large and sustained and the slowdown happens.
After doing a lot of research and reading along with personal recommendation from some fellow developers and editors, I gave the SanDisk 2TB Extreme PRO (you know it's serious when "PRO" is all in caps) a try.
It is very compact and nicely built. Excellent external texture with even a corner clip hole. It comes with both USB-A and USB-C USB 3.2 2x2 cables and is ready for data transfers up to 2000MB/s.
So how did it fair? I plugged it into my 1000MB/s rated USB-C port to backup over 500GB of data in one sitting and sat there and watched it transfer the entire set of data with zero slowdowns sometimes peaking OVER 1000MB/sec on large contiguous data asset transfers. This is a first among the pile of external drives I've used over the last 10 years.
When it came time to copy the information back, the sustained speeds were still there during the entire transfer.
I used it even to run some games for testing and it had no problems for Steam or Blizzard games albeit for normal use I use internal storage. I also did a couple of dev projects externally and it worked absolutely fantastic.
As with most external drives, it does get warm during heavy use but nothing that is worrisome. I was able to pick up and hold the drive no problem.
I tested it on both Windows 10 and 11 and Windows 11 is slightly slower than Windows 10 in data transfers under the same conditions but still peaked over 900MB/sec. It isn't the Sandisk's fault but the OS.
Overall, I can't recommend this drive highly enough. It fixed all the issues I had grown used to accepting with my previous Samsung and Crucial models with expected slowdowns (it wasn't an issue of "if" but "when") and 2TB is spacious enough for now. If I end up needing more capacity I will pick up the 4TB version if needed but as for the 2TB model specifically? Highly recommended.
5/5
I have a WIndows PC. After doing the stuff I mentioned above, when I do a large file transfer to the drive, it starts out at 1.7GB/s and then begins to drop to a steady 915MB/s or so. This reflects close to the drive's specs at the start, but Windows file buffering doesn't cache enough of the file to get a continual accurate reading, hence the speed drop in write speed. In testing out the read speed, I was only able to get around 700MB/s, but that is because I am copying a file from a super fast HD (this Sandisk drive) to a much slower HD (my internal PC HD), so it can't transfer any faster than this. I also tested reading and writing just from this Sandisk drive and got around the same 700MB/s, however, this is not a fair nor accurate test, because the same drive is doing the reading AND the writing. Finally, I ran the Blackmagic Disk Speed Test that everyone else seems to be using to test drive speeds, and got only 915MB/s read and write speeds. We know this is not accurate since I got 1.73GB/s in my own testing.
So all of this to say that I believe this drive is probably fully capable of its advertised speeds, but you will likely not see speeds that fast due to OS limitations, other drive limitations, hardware limitations (your cable and/or port), etc. I'm happy with it because it averages about 1sec/GB throughput, and for files that Windows can buffer completely, I'm getting much closer to the spec's speeds. Hopefully all of this info. is helpful. Just remember, you get the best possible speed out of this drive by connecting it to a true Thunderbolt 3 port on your computer and by setting your OS's caching/buffering settings to maximize the performance (even a USB-C 3.1 or better port will get you the best speed out of this drive).
That scare aside, so far the drive has been working out fine. I'm using it as a backup for my 2tb home PC.
I have it connected via a USB 3.2 Gen 2x2 20Gbps Type-C port on my PC to run weekly backups. The drive is not super fast, but it's fine for what I need. It's super light and portable - the size of my Android phone, so ideal if you need an external drive for your laptop or whatever. And it's 4tb so should be enough for whatever you need to do.
Keeping my fingers crossed that the Firmware fix does the job!