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Usb ssd

post #1 of 6
Thread Starter 
I've moved all my virtual machines (~6) at home to an unused Kingston SSDNow V 40GB (same as Intel X25-V 40GB but w/o TRIM). Now I've never really fully appreciated the value of storing them on an SSD until I tried running 2 VM's at the same time from an external 500GB Western Digital Passport USB drive on my laptop. Suffice to say it was a painful experience.

Right now, I'm looking for a 40~80GB SSD which I can hook up via USB for storing VM's I might need on the go. Unfortunately, the laptop doesn't have an eSATA port. Drives with both SATA and USB connections are preferred. I've got a 2.5" hot-swap bay on my home PC so being able to use SATA when I need to sync VM's to the home PC is a big plus. Most important is probably random read performance since there will times when it's running 4 virtual machines simultaneously. Sequential read/write isn't particularly important. Do you guys have any recommendations?

Thanks!
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post #2 of 6
Have you thought about buying an E-sata express card for your laptop?

I would try the OCZ enyo. It's USB 3 for the future and IIRC Maximum PC gave a 9/10.
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post #3 of 6
Only advice I have is to make sure it's USB 3.0. 2.0 is a huge bottleneck for an SSD.
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post #4 of 6
I wouldn't try to run more than one at a time off of a USB 2.0 port.
30 MB/sec max and half duplex = no thanks.
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post #5 of 6
Thread Starter 
Quote:
Originally Posted by Citra View Post
Have you thought about buying an E-sata express card for your laptop?

I would try the OCZ enyo. It's USB 3 for the future and IIRC Maximum PC gave a 9/10.
Thanks. Will look into that. Unfortunately, I've got an ultraportable and aside from the USB ports, it doesn't have any other means of expansion.

Quote:
Originally Posted by AdmRose View Post
Only advice I have is to make sure it's USB 3.0. 2.0 is a huge bottleneck for an SSD.
I only have two computers that have USB3 - the laptop isn't one of them. Also, while USB 2 is a big bottleneck compared to an SSD's sequential read, it shouldn't be that big of a bottleneck for random reads. Again, the reason I'm going for an SSD is the random reads. A good SSD can easily do at least 30MB/s on random 4k. The Passport probably does less than 5MB/s. Heck, I wouldn't be surprised if it only does 1MB/s.
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Garnet
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Lucifiel
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CPUMotherboardRAMHard Drive
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post #6 of 6
Would the polling rate of USB be a factor when it comes to random reads? Just wondering.

Zalman's S series drives have a mini USB connection on the drive, if you wanted something cheaper.
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