A solid-state drive (SSD) is a data storage device that uses solid-state memory to store persistent data. It emulates a hard disk drive interface. It's a high-performance plug-and-play storage device that contains no moving parts. We're starting to see more of them, particularly in laptops, but right now they are quite pricey. Predictions vary as to when SSDs will become more mainstream, but their popularity is going to increase as prices do come down.
PerfectDisk 10's defrag engine, as well as earlier versions, works just fine with SSD. As a matter of fact, the design of PerfectDisk has been tailored for SSDs for years because of PerfectDisk's Space Restoration Technology, with its single-pass free space consolidation.
PerfectDisk helps improve the performance of SSD drives' write performance through its free space consolidation. To write a sector, the file system needs to read and merge the data, then erase and write back a data block, which is bigger than a sector, called an "erase block." The size of the sector is 1 - 4MB, which is much bigger than the sector size. By consolidating free space, the process of transferring data between erase blocks can be reduced or eliminated. As a Microsoft Certified defragmenter, PerfectDisk's use of Microsoft's defrag APIs ensures that defragmentation takes place in a safe manner.
Now, if PerfectDisk had not pioneered total single-pass free space consolidation, we might do things differently. We might put together an extra or special component and charge extra for it. But in our mind, that would be like selling a car and charging extra for breaks. We'll leave that to others.
Complete and safe SD support - standard with PerfectDisk 10.
Hi,
Thanks for providing this information it made me temped to purchase such a nice disc.
Thanks,
Posted by: Network Support Washington DC | June 30, 2011 at 01:08 PM
that "knowledge" base article joe is referring to is not plagued by factual information!
most ssds use mlc technology, which have expected write cycles in the order of 10,000. very few use slc technology, which specifies > 100,000 write cycles.
you don't want to use and don't need to use defrag for mlc drive, except for maybe once in a blue moon.
get your facts straight, folks!
h
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Posted by: Jordan 8 | August 08, 2010 at 11:24 PM
Very Very nice article its give proper information about solid-state drive (SSD) Data Storage. I like such storage
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.....Alex
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I have used SSD drives and for me they are the next generation data storage for us. I just hope that it will be available for all and in an affordable price.
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Hi Nick,
Glad to hear it - thanks for the feedback.
Joe
Posted by: PerfectDisk | November 16, 2009 at 05:08 AM
We have PC's running XP64bit raid1 on intel SSD drives. Speed is of the essence for these users. I ran a trial version of perfect disk 10 on one of the PC's (built last July 09). Smart Placement and then offline defrag (on reboot). The user noticed a difference immediately.
Posted by: Nick | November 16, 2009 at 05:02 AM
SSD's do need defragging to optimize free sapce. If this is not done the write speed of the SSD will get slower. Unfortunately my experience is that Perfect Disk 10 is very good for conventional drives but does not effectively optimize the free space of SSd's unless run off-line, i.e by having the system disk temporarily booted from a backup disk
Onclejean
16/05/2009
Posted by: John Butler | May 16, 2009 at 03:17 AM
Hi David,
Thanks for your comment. You raise a valid concern, and there are many that make the case about drive wear. The main advantage is in the area of write performance, which is why free space consolidation is the most important aspect of defragmentation for SSDs. Wear leveling, performed by the SSD controller, ensure the writes are spread out. This link (in our FAQs), has an overview and input from Samsung:
http://www.perfectdisk.com/support/kb/791
Thanks,
Joe
Posted by: PerfectDisk | February 17, 2009 at 09:23 AM
Since Solid State Drives dont have any significant latency for seeking data, what benefit would there be for defragging the data, if all you are doing is wearing out the drive more?
Posted by: David A | February 17, 2009 at 08:44 AM