Hi i have an Intel D945GCNL Motherboard. I would like to know which all hard disk drives will be compatible with my motherboard. I was planning on uprading to a Seagate Barracuda® 7200.11 model#ST3750330AS 750GB or model#ST31000333AS 1TB ( SATA 3.0Gb/s ). My mother board has SATA ports but i don know if its like it supports SATA 1 only or SATA 2 like that. So please help me.
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It doesn't matter, as SATA HDD's are backwards compatible. (same as USB)
Yup, you can use any SATA hard drive out there with no issues.