How can I determine if UASP is supported on my MacBook Pro? I've read the instructions here, but this means I would need a UASP enabled device first in order to check if it is recognised as such.do you need to run something like Chameleon SSD Optimizer to enable TRIM on the external disk? Is it true that UASP offers TRIM support? If so, what do you need to do to enable it (if anything)? E.g.However, TRIM should be supported when using the USB Attached SCSI (UASP) protocol instead of the Bulk-Only-Transport (BOT) protocol. Other interfaces are not really an option: the MacBook does not have eSATA and anything with a Thunderbolt connector is prohibitively expensive.įrom what I've read, the USB controller does not support TRIM, which is less than ideal.
![chameleon ssd optimizer reviews chameleon ssd optimizer reviews](http://ww1.sinaimg.cn/large/005JrPv6gw1emxnd8s56qj30mo0wqdmd.jpg)
the Inateck USB3 HDD Enclosure with UASP). AFAIK, I have the option between using a flash disk (such as the VisionTek 120GB USB 3.0 Pocket SSD Drive) or buying an internal SSD drive and sticking it in a USB enclosure (e.g. Therefore, I was looking at external SSD disks, specifically for running my virtual machines. Here's a screenshot of test using the Blackmagic Disk Speed Test software on the USB drive:
![chameleon ssd optimizer reviews chameleon ssd optimizer reviews](https://www.cyberpowerpc.com/images/cs/Syber_L/CS-192-202_400.png)
As my SSD is limited in size, I'm unable to host all of my VMs on it, and constantly moving VMs between the external disk and the SSD is quite time-consuming. The external disk is fine for regular usage, but the performance difference between running a VM from the external drive compared to running it from the internal SSD is huge.
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I'm running VMware Fusion on my Apple Macbook Pro (15 inch, Mid 2012, OSX 10.10.2), and have several VM images that are stored on an external USB3 disk (WD Passport).