Samsung 990 Pro Users report a rapidly declining lifespan for the SSD
There are reports of dissatisfaction among some owners of the 2 TB version of Samsung's SSD flagship, the 990 Pro. Users have claimed that the service life of the SSD has fallen below 95 per cent after just a few days of use. Samsung's support team reportedly found no problems after contacting an owner, causing concern among users.
The 990 Pro SSD with a capacity of 2 terabytes is reportedly experiencing issues with its lifespan. For some time, users have been reporting that the SSD is losing service life quickly, even with little use. This is unexpected as Samsung's Pro SSD models are known for their good quality and long service life.
An author from the Neowin website drew attention to the problem, previously reporting on Reddit at the beginning of the year. According to his own statement, he switched from a 970 Evo Plus to a 990 Pro 2 TB. The former is said to have displayed a service life of 99 percent after more than a year. The 990 Pro, on the other hand, had a "Health Status" of 99 percent after just a few days, as determined by the SSD tools Samsung Magician and Crystaldiskinfo. The value then dropped to 98 percent after a few tenths of a gigabyte were read, and eventually dropped to 94 percent after a few days. Similar reports from other 990 Pro 2 TB owners regarding the declining lifespan can be found on other forums and in response to the Neowin author's Reddit thread.
The Neowin author contacted Samsung's support and went through the RMA process. Still, Samsung informed him that a decreasing service life of a few percent is normal and sent the same SSD back to the sender formatted and reset to factory settings, as they could not find any errors.
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Senior Member
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Joined: 2020-09-22
With having three (3) of the Samsung (2TB) 990 Pro’s sitting on my EVGA KP Z690 motherboard since November 2022, my Samsung software maintains to show absolute no speed issues or what is called reports of lifespan and service life. Even if in fact I would experience a drop in performance in the first year of operation (5%-10%) it would not bother me as these drives are lightening fast in any event. How fast can you go? I originally was going to buy the instantly available 980 Pro series, but with extra money lying around I went for the latest Samsung tech. The difference in real world speeds between the 980 Pro versus the 990 Pro feels negligible and reminded me of the difference between the 13900K and a 13900KS. Besides the tech-media loves ‘rumors and clicks’ on their sites, and I am getting to a point in taking most now with a grain of salt. This said I better check my RTX 4090 cable connection before it melts in front of my eyes!
Senior Member
Posts: 481
Joined: 2015-12-20
Same story was 100 years ago when 2.5 inch ssd's were introduced.
Samsung took the spotlight.
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Joined: 2014-07-22
Much depends on how the drive is used, of course. Using it as a boot drive & OS build upgrade drive will incur use much more rapidly than using it as a routine data drive. Sometimes how the drive is over provisioned will have an effect. I ordered my 250GB 960 EVO NVMe drive on April 5 2018, and immediately began using the drive as my boot drive for OS, my C:\ partition. I ordered my 980 Pro 500GB on Dec 5 2020, and it replaced the 960 EVO as my boot drive, and was moved to just another data/program drive.
Today, the 980 Pro shows 23.6 TBs written, the 960 EVO shows 20.5 TBs written, despite being in use ~18+ months longer than the 980 Pro. Both drives I have OP'ed at 8%.
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I have 980 Pro 2TB, 850 Pro 1TB, 870 QVO 8TB, 840 EVO 250GB. All bought at various points (oldest drive being 10 years old). All showing 100% health in Samsung Magician (never used any overprovisioning or took any special care of drives, just used them normally).
Issue with 990 Pro sounds like firmware bug or bad reporting by SMART.
Senior Member
Posts: 3029
Joined: 2008-02-25
Had the same issue with my Sabrent 1TB Rocket 4 Plus, within 6 months I`d lost 13% and its been on 16% for over a year with 9.5 tb written