--- On Tue, 12/25/12, Rieni <[email protected]> wrote:
> I checked all my external drives (I have two
> storage towers and 13 individual external G-Tech
> and WD drives) again, and all have eSata
> connectors. eSata is faster than FW800, the
> downside is that eSata drives can't be chained
> like FW drives can, so I definitely have to stay
> away from motherboards that only have 1 eSata
> connector if I want to be able to move data
> around between drives.
There are two solutions for that. One is an eSATA port multiplier, sort of like
an Ethernet switch for SATA. They're also available for internal SATA devices.
The other is a PCI Express eSATA card to add more ports.
One thing to watch for with PCIe slots on motherboards are ones that are only
partially connected. A favorite thing on many boards are x4 slots that are only
connected up as x2 and x8 slots that are really only x4.
The section of a PCIe slot next to the back end of the board is the minimum a
PCIe card needs. The rest of it is just more "lanes" for data. *Most* PCIe
cards are made to work at any xN lower than their maximum, but with reduced
data transfer speed. The cards that can't step down to lower xN aren't fully
compliant with the PCI Express standards.
The partially connected slots are just to allow cards with bigger connectors to
be plugged in. It's possible to carefully cut a slot in the front end of a
short PCIe connector to plug in a longer card. Very rare are factory made open
ended PCIe slot connectors.
This flexibility is what enables those boxes with a x16 length PCIe slot to
plug into ExpressCard slots on laptops, which only have a PCIe x1 connection.
With high end x16 video cards that's like trying to neck a fire hose down to a
3/4" garden hose.
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