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Old January 5, 2013, 10:05 AM
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Wink what's the diff between PCI express x1 and 2.0?

First what I am trying to do is add more SATA ports to my motherboard and not spend $300 to do it.

I have a GIGABYTE GA-Z77X-UP4 TH LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard running win 7 64 bit and I am looking at new egg for controllers and I see some cheap controllers but they say PCI Express x1 or some say PCI Express 2.0.

For example:
Newegg.com - SYBA SY-PEX40052 PCI-Express x1 Low Profile Ready SATA III (6.0Gb/s) HyperDuo SSD and SATA 6G HDD Controller Card
and this
Newegg.com - SYBA SY-PEX40039 PCI-Express 2.0 SATA III (6.0Gb/s) Controller Card

they look like they go in the same slot so what's the difference? Looking at the MB it says there are three PCI Express x1 slots. I know you are thinking to yourself "just buy the one that says goes in your motherboard" but I am curious as to what the difference is.

I'd like to add something to the PCI Express 3.0 slot but the cheapest thing I find is this for $300

Newegg.com - LSI LSI00301 (9207-8i) PCI-Express 3.0 x8 Low Profile SATA / SAS Host Controller Card

Any brilliant thoughts?
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Old January 5, 2013, 10:06 AM
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Quote:
Originally Posted by bonanza2000 View Post
First what I am trying to do is add more SATA ports to my motherboard and not spend $300 to do it.

I have a GIGABYTE GA-Z77X-UP4 TH LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard running win 7 64 bit and I am looking at new egg for controllers and I see some cheap controllers but they say PCI Express x1 or some say PCI Express 2.0.

For example:
Newegg.com - SYBA SY-PEX40052 PCI-Express x1 Low Profile Ready SATA III (6.0Gb/s) HyperDuo SSD and SATA 6G HDD Controller Card
and this
Newegg.com - SYBA SY-PEX40039 PCI-Express 2.0 SATA III (6.0Gb/s) Controller Card

they look like they go in the same slot so what's the difference? Looking at the MB it says there are three PCI Express x1 slots. I know you are thinking to yourself "just buy the one that says goes in your motherboard" but I am curious as to what the difference is.

I'd like to add something to the PCI Express 3.0 slot but the cheapest thing I find is this for $300

Newegg.com - LSI LSI00301 (9207-8i) PCI-Express 3.0 x8 Low Profile SATA / SAS Host Controller Card

Any brilliant thoughts?
They are the same. PCI-E x1 is the slot type PCI-E 2.0 is the revision.
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Old January 5, 2013, 10:17 AM
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Quote:
Originally Posted by enaberif View Post
They are the same. PCI-E x1 is the slot type PCI-E 2.0 is the revision.
so why 2 versions of essentially the same thing made by the same manufacturer?

and is either of these controller chips better than the other

ASM1061 Chipset (Asmedia 1061 SATA Host Controller) on a $23 board
or
Marvell 9128 Chipset on a $30 board

Last edited by bonanza2000; January 5, 2013 at 10:25 AM.
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Old January 5, 2013, 03:48 PM
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Location: Vancouver, BC
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The revision is a bump in maximum bandwidth.

Per wiki
Quote:
PCI-SIG announced the availability of the PCI Express Base 2.0 specification on 15 January 2007.[17] The PCIe 2.0 standard doubles the transfer rate compared with PCIe 1.0 to 5 GT/s and the per-lane throughput rises from 250 MB/s to 500 MB/s. This means a 32-lane PCIe connector (32) can support throughput up to 16 GB/s aggregate.
PCI Express - Wikipedia, the free encyclopedia
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Old January 5, 2013, 05:00 PM
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I see. Ok thanks for the info.
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