So, i know this question had been asked before. I consider to buy a SSD for my Server, because i kinda hate the SAS HDDs in there.

I thought: If i connect a SSD, which, in fact, handles way more than 550MB/s which the SATA6 can, to a SAS Interface, wouldn`t it be faster, because of the SAS interface?

I do not know the specific speeds of my SAS interface in this specific server, but i would work, because you CAN connect SATA to SAS.

Thanks for answers, vortex


You'll probably get a 6Gbps link speed or a 3Gbps link speed, depending on the server, backplane and controller.

A modern SATA SSD will likely be a 6Gbps device.

But disk and storage speed isn't just about raw sequential I/O performance. The benefit of an SSD will be random I/O performance, which you're more likely to be impacted by.

  • But there are 12gbps interfaces. If i connect it to one of those, can i bypass the SATA6 bottleneck? – vortexman100 Feb 25 '16 at 6:49
  • 1
    Not unless you have a 12Gbps SATA disk. SAS is a switching protocol. This is like plugging a 100Mbps device into a gigabit port. – ewwhite Feb 25 '16 at 11:23

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.