Which SATA port to use for Intel SSD with Dell Optiplex 990

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I just bought an Intel 520 Series SSD and I have 4 SATA ports on my Dell Optiplex 990. SATA0 – dark blue, SATA1 – black and SATA2 and SATA3 – white. On the datasheet of Dell Optiplex 990 I can not see which of those 4 ports are SATA 2 and which are SATA 3 for my SSD.

Anyone could help me? Thank you.

Best Answer

The user manual for your pc can be found here: ftp://ftp.dell.com/Manuals/all-products/esuprt_desktop/esuprt_optiplex_desktop/optiplex-990_Service%20Manual4_en-us.pdf

With most motherboards you should always work from port 1 so on, but it really doesn't matter unless they are different speeds and you want peak performance. For example my asus mother board has 4 ports, two sata 6gbps and two sata 3gbps.. I would want to use my 6gbps ports first before using my 3gbps ports. I believe the colours is use to highlight port one.

If the other ports are all the same colour I wouldn't worry.

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