Hello,

While trim is not going to be supported (unless there is some third party utility) The SSDs firmware
will perform the garbage collection without the OSes help.

I was thinking about a velociraptor myself for a fast boot drive but what about a segate momentus
hybrid SSHD?
It caches reads and learns the most used programs like those used at boot.
Writes are just the same as a spinner though.

Not sure about the noise of the raptor as well as the SSHD will be faster assuming the firmware
GC is up to the job.

Martin N

At 03:00 25/07/2013, you wrote:
Trim is outside the realm of possibility. Not sure If doing an erase free space procedure monthly or so would help a bit. Modern drive "garbage collection" is pretty good. Anybody got any benchmarks? I picked up a velociraptor to use in an old G4 rather than try to work through SSD issues.

Sent from my mobile device.

On Jul 24, 2013, at 7:58 PM, "ah...clem" <<mailto:[email protected]>[email protected]> wrote:

anyone had success putting an SSD in a G5 and getting the maximum speed out of it? issues i'm aware of include the native SATA-1 interface, which will limit speed to a theoretical max of 187.5 MB/s, regardless of how fast the SSD itself is. the way around that is to use an expansion slot and a SATA-2 or SATA-3 controller. problem is, i'm having a hard time finding a PCI-e SATA-3 controller that's compatible and bootable. i tried one of the Apricorn Velocity Solo cards (PCI-e/sata-3 controller and carrier for 2.5" SSD), and it is indeed bootable in a 2009 MacPro, but it is invisible in my G5 quad. system profiler and disk utility don't even know it's there. it's "supposed" to work in ANY computer with a PCI-e slot. waiting to hear back from customer support.

one bit of good news i can share is that at $43 (sans drive) it was an appealing alternative to the much more costly Sonnet cards, and outrageously expensive Accelsior cards, and it works flawlessly in a MacPro, delivering a read/write speed of 480 MB/s (if your SSD is up to it), just not the G5 i intended it for.

anyone have any other suggestions, or success stories with other hdwe? TIA for all replies.

Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety. Benjamin Franklin (1706–90)

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