Question I can't be the first person to think of this idea?

ch33r

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So to make hard drives speed up to compete with SSDs, why don't they add more than one needle to read the platters, just on opposite sides of eachother so they don't interfere with eachother? Why is this not a thing?
 

ch33r

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That's 2 readers each reading half the platters... What I mean is this....

2 readers that can both read all the platters at the same time. We've always had 1 needle that reads all platters, why don't we have 2 needles that both read all platters?
 
10000 RPM HDDs exist, which in theory would double the performance of a 5900rpm drive like your method would.
However,
The 10000rpm drives cost a ton and are slower than SSDs. They made sense when they were faster than most HDDs and SSDs weren't available much.
 

USAFRet

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ch33r

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And it still won't be anywhere near a basic SSD.
Ok so then make it 4 readers, one on each side of the disc. Make it so they wont interfere. Then they could be close to the speed of a traditional 2.5" SSD. But we can have capacities up to 16TB. A 4TB SSD would be like $600 USD right now, around the same price as a 12TB HDD. But that 12TB HDD with 4 readers, one on each side, not interfering with eachother would probably be about the same speed as an SSD
 

USAFRet

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Ok so then make it 4 readers, one on each side of the disc. Make it so they wont interfere. Then they could be close to the speed of a traditional 2.5" SSD. But we can have capacities up to 16TB. A 4TB SSD would be like $600 USD right now, around the same price as a 12TB HDD. But that 12TB HDD with 4 readers, one on each side, not interfering with eachother would probably be about the same speed as an SSD
Amazing that all the designers and engineers at the billion dollar companies have not made this yet.

Maybe they were just waiting for you to come up with the idea?
 
Having many read/write heads would have the following drawbacks:
Increased power consumption over ssd.
Less reliability compared to ssd
Higher cost than traditional hard drives.
More noise
High design and development costs.
Completely redesigned circuitry and firmware.

Those super high rpm drives never really caught on because they had simmilar drawbacks to your design idea.
Higher energy consumption.
Higher noise.
Higher cost.
Still worse performance over ssd.
 

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