From the factory, a 500GB SATA III drive if what I’m finding is correct based on [link|https://www.amazon.com/Dell-Inspiron-15-3521-Screen/dp/B00H7ODTUA|Amazon]. Most likely a Seagate hard drive since Dell loves them for the lower capacity drives like the one yours came with.
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***The problem with these Dells which use Seagate drives from the factory is the FAILURE RATE of the drive, not the computer. The laptops are fine, but these original drives are failure prone after a few years to the point they cannot be relied upon to not fail.*** ***Seagate has had problems with this since the 7.01 (data scraping), 7200.11(BSY) and 7200.12("fixed" 7200.11). The new ones are still troublesome, especially Seagate Rosewood, which is also known for platter scraping (with no recall like the 7.01 where they had to because they were once called out for it)!!! All of the "Made in China" Seagates are junk.***
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***The problem with these Dells which use Seagate drives from the factory is the FAILURE RATE of the drive, not the computer. The laptops are fine, but these original drives are failure prone after a few years to the point they cannot be relied upon to not fail.*** ***Seagate has had problems with this since the 7.01 (headstack data scraping), 7200.11(BSY) and 7200.12("fixed" 7200.11). The new ones are still troublesome, especially Seagate Rosewood, which is also known for platter scraping (with no recall like the 7.01 where they had to because they were once called out for it or files class actions against them)!!! All of the "Made in China" Seagates are junk.***
Due to their tendency to fail (even if it works), I would replace it with an SSD when you can afford to do so due to the age of the laptop (5 years). This is about the time the POH/POC gets high and they often have problems. ***NOTE: Not all of them fail, but the risk of it is higher then normal for a good WD drive. Consider it preventive maintenance.***
From the factory, a 500GB SATA III drive if what I’m finding is correct based on [link|https://www.amazon.com/Dell-Inspiron-15-3521-Screen/dp/B00H7ODTUA|Amazon]. Most likely a Seagate hard drive since Dell loves them for the lower capacity drives like the one yours came with.
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The problem with these factory Seagate drives Dell uses is long term reliability. After the 7.01/7200.11 disasters (7.01 eats your data alive by scraping the platters/7200.11 BSY FW error requiring BSY reset)
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***The problem with these Dells which use Seagate drives from the factory is the FAILURE RATE of the drive, not the computer. The laptops are fine, but these original drives are failure prone after a few years to the point they cannot be relied upon to not fail.*** ***Seagate has had problems with this since the 7.01 (data scraping), 7200.11(BSY) and 7200.12("fixed" 7200.11). The new ones are still troublesome, especially Seagate Rosewood, which is also known for platter scraping (with no recall like the 7.01 where they had to because they were once called out for it)!!! All of the "Made in China" Seagates are junk.***
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'''NOTE: The modern 2.5” Seagates aren’t any better, ESPECIALLY modern made in China Seagates although they have different issues or repeats of old issues like Rosewood platter grinding and the end result being unrecoverable). It’s quite common to find dead Seagate drives that are relatively new (1-4 years).'''
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Due to their tendency to fail, I would recommend replacing it when you can afford to do so because 5 years is when they really begin to act up in my experience and yours is about that old. In many cases, they tend to show problems around the 10k+ POH range, give or take. '''Not all of these drives do fail, but they have enough have issues it’s usually better to do as preventive maintenance on a machine with one of them installed.'''
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Due to their tendency to fail (even if it works), I would replace it with an SSD when you can afford to do so due to the age of the laptop (5 years). This is about the time the POH/POC gets high and they often have problems. ***NOTE: Not all of them fail, but the risk of it is higher then normal for a good WD drive. Consider it preventive maintenance.***
From the factory, a 500GB SATA III drive if what I’m finding is correct based on [link|https://www.amazon.com/Dell-Inspiron-15-3521-Screen/dp/B00H7ODTUA|Amazon]. Most likely a Seagate hard drive since Dell loves them for the lower capacity drives like the one yours came with.
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The problem with these factory Seagate drives Dell uses is long term reliability. After the 7.01/7200.11 disasters (7.01 eats your data alive by scraping the platters/7200.11 BSY FW error requiring BSY reset) '''(ESPECIALLY made in China drives)''' have a tendency to croak in 3-4 years '''without fail''', so I would recommend replacing it when you can afford to do so because 5 years is when they really begin to act up in my experience. In many cases, they tend to show problems around the 10k+ POH range, give or take. '''Not all do, but enough have issues it’s usually better to do as preventive maintenance on a machine with one if you can afford to replace it.'''
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The problem with these factory Seagate drives Dell uses is long term reliability. After the 7.01/7200.11 disasters (7.01 eats your data alive by scraping the platters/7200.11 BSY FW error requiring BSY reset)
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'''NOTE: The modern 2.5” Seagates aren’t any better, ESPECIALLY modern made in China Seagates although they have different issues or repeats of old issues like Rosewood platter grinding and the end result being unrecoverable). It’s quite common to find dead Seagate drives that are relatively new (1-4 years).'''
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Due to their tendency to fail, I would recommend replacing it when you can afford to do so because 5 years is when they really begin to act up in my experience and yours is about that old. In many cases, they tend to show problems around the 10k+ POH range, give or take. '''Not all of these drives do fail, but they have enough have issues it’s usually better to do as preventive maintenance on a machine with one of them installed.'''
From the factory, a 500GB SATA III drive if what I’m finding is correct based on [link|https://www.amazon.com/Dell-Inspiron-15-3521-Screen/dp/B00H7ODTUA|Amazon]. Most likely a Seagate hard drive since Dell loves them for the lower capacity drives like the one yours came with.
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Any Seagate after the 7.01/7200.11 '''(ESPECIALLY made in China drives)''' have a tendency to croak in 3-4 years '''without fail''', so I would recommend replacing it when you can afford to do so - '''especially if it has 10k+ POH which is when I’ve noticed they begin to degrade'''. Not all of them do, but if you use your machine regularly it tends to be a more serious issue with them once you hit the 5 year mark.
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The problem with these factory Seagate drives Dell uses is long term reliability. After the 7.01/7200.11 disasters (7.01 eats your data alive by scraping the platters/7200.11 BSY FW error requiring BSY reset) '''(ESPECIALLY made in China drives)''' have a tendency to croak in 3-4 years '''without fail''', so I would recommend replacing it when you can afford to do so because 5 years is when they really begin to act up in my experience. In many cases, they tend to show problems around the 10k+ POH range, give or take. '''Not all do, but enough have issues it’s usually better to do as preventive maintenance on a machine with one if you can afford to replace it.'''
From the factory, a 500GB SATA III drive if what I’m finding is correct based on [https://www.amazon.com/Dell-Inspiron-15-3521-Screen/dp/B00H7ODTUA|Amazon]. Most likely a Seagate hard drive since Dell loves them for the lower capacity drives like the one yours came with.
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From the factory, a 500GB SATA III drive if what I’m finding is correct based on [link|https://www.amazon.com/Dell-Inspiron-15-3521-Screen/dp/B00H7ODTUA|Amazon]. Most likely a Seagate hard drive since Dell loves them for the lower capacity drives like the one yours came with.
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Any Seagate after the 7.01/7200.11 that is made in China has a tendency to croak in 3-4 years '''without fail''', so I would recommend replacing it when you can afford to do so - '''especially if it has 10k+ POH which is when I’ve noticed they begin to degrade'''. Not all of them do, but if you use your machine regularly it tends to be a more serious issue with them once you hit the 5 year mark.
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Any Seagate after the 7.01/7200.11 '''(ESPECIALLY made in China drives)''' have a tendency to croak in 3-4 years '''without fail''', so I would recommend replacing it when you can afford to do so - '''especially if it has 10k+ POH which is when I’ve noticed they begin to degrade'''. Not all of them do, but if you use your machine regularly it tends to be a more serious issue with them once you hit the 5 year mark.
From the factory, a 500GB SATA III drive if what I’m finding is correct based on [https://www.amazon.com/Dell-Inspiron-15-3521-Screen/dp/B00H7ODTUA|Amazon]. Most likely a Seagate hard drive since Dell loves them for the lower capacity drives like the one yours came with.
Any Seagate after the 7.01/7200.11 that is made in China has a tendency to croak in 3-4 years '''without fail''', so I would recommend replacing it when you can afford to do so - '''especially if it has 10k+ POH which is when I’ve noticed they begin to degrade'''. Not all of them do, but if you use your machine regularly it tends to be a more serious issue with them once you hit the 5 year mark.