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Windows 7: Do I need SATA 3 cable

10 Jun 2015   #1
skanungo

Microsoft Windows 7 Professional 64-bit Multiprocessor Free Service Pack 1
 
 
Do I need SATA 3 cable

I have recently purchased a SSD which supports sata 3. My motherboard also supports sata 3. But I can't find any sata 3 cable in the shop. So I want to know whether sata2 cable will be fine for my SSD or not. I mean, will i get the full speed of SSD or it will be slowed down due to sata 2 cable? Thanks


My System SpecsSystem Spec
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10 Jun 2015   #2
MistUnleashed

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by skanungo View Post
I have recently purchased a SSD which supports sata 3. My motherboard also supports sata 3. But I can't find any sata 3 cable in the shop. So I want to know whether sata2 cable will be fine for my SSD or not. I mean, will i get the full speed of SSD or it will be slowed down due to sata 2 cable? Thanks
Hi skanungo,

YES, SATA 2 & SATA 3 differ in data transfer speeds, SATA 3 is at 6GB/s whereas SATA 2 is at 3GB/s but this is only dependant of your hardware, NOT the cable. Therefore it should be completely fine to use a SATA 2 cable between 2x SATA 3 Devices. SATA 2 cables can handle 6GB/s speeds.

If it is bothering you that much take a look on Amazon: Amazon.in: SATA 3 cable

Let me know how it goes,

MistUnleashed
My System SpecsSystem Spec
10 Jun 2015   #3
skanungo

Microsoft Windows 7 Professional 64-bit Multiprocessor Free Service Pack 1
 
 

Thanks for your reply. I used the sata 2 cable to connect my SSD. Then I used Crystal disk mark to test the speed. Sequential read is around 560Mbps but the sequential write speed is around 170Mbps. Is the result fine or I am missing something?
My System SpecsSystem Spec
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10 Jun 2015   #4
MistUnleashed

Windows 7 Ultimate x64
 
 

Write speed should be around the same and your Read speed.

SATA Speeds
SATA 1 (1.5Gb/s) speeds are from 1MB/s to 150MB/s
SATA 2 (3Gb/s) speeds are from 151MB/s to 300MB/s
SATA 3 (6Gb/s) speeds are from 301MB/s to 600MB/s

Write speed can be improved by defragging your Hard-Drive. Please download Defraggler: https://www.piriform.com/defraggler and Defrag your Hard-Drive. Then use the built in 'Benchmark Drive' tool in Defraggler and then run the Disk Mark test again and post your results.

Also please disable Windows Defrag Tool:
  • Start > Type dfrgui in the Search bar
  • Highlight your SSD and click on Configure Schedule
  • Make sure Run On A Schedule is unchecked. If it’s checked, uncheck it.
My System SpecsSystem Spec
10 Jun 2015   #5
skanungo

Microsoft Windows 7 Professional 64-bit Multiprocessor Free Service Pack 1
 
 

Thanks..
My System SpecsSystem Spec
10 Jun 2015   #6
GokAy

Windows 7 Ultimate x64 SP1
 
 

It is an SSD, don't defrag it.

What brand/model it is?
My System SpecsSystem Spec
10 Jun 2015   #7
MistUnleashed

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by GokAy View Post
It is an SSD, don't defrag it.

What brand/model it is?
Do SSD's not require defragmentation?

Learn something new every day!
My System SpecsSystem Spec
10 Jun 2015   #8
skanungo

Microsoft Windows 7 Professional 64-bit Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by GokAy View Post
It is an SSD, don't defrag it.

What brand/model it is?
It is Transcend SSD370 128GB
My System SpecsSystem Spec
10 Jun 2015   #9
GokAy

Windows 7 Ultimate x64 SP1
 
 

Did you check what others bench with that SSD? You can try "userbench" fo that. Also try AS SSD and post a screenshot here, perhaps misaligned?

SSDs are usually fragmented due to wear levelling (and perhaps garbage collection) routines.
My System SpecsSystem Spec
10 Jun 2015   #10
skanungo

Microsoft Windows 7 Professional 64-bit Multiprocessor Free Service Pack 1
 
 

My SSD is brand new one. I will try other bench mark tools and will report here. Thanks for your help.
My System SpecsSystem Spec
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 Do I need SATA 3 cable




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