APacer Dual Interface SSD - SATA + USB Type C

http://ap.apacer.com/products/Solid-State-Drive-Panther-AS720

Good idea I think. Not from a common or more known vendor but still I think this should be incorporated or at least versions of SSD's with this option. USB 3.1 Type C connection on the 2.5" drive so you can use it externally or internally. Great idea.

 

No TRIM over USB, huh?

 

Indeed as far as I'm aware..

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No TRIM over USB yet, even 3.1.

 

I had an adapter 2x mSATA to 2.5" SATA with USB 3.0 in the back a while ago, so this idea is not really new. Just a gimmick - until, or rather if they ever, implement TRIM over USB.

 

There's a difference between adapter and natively incorporated. You can get adapters for almost anything. TRIM all depends on the GC routine too. Some are aggressive and TRIM really doesn't do a whole lot. Plus with this it's a standard height SSD, just plug it into your computer to get TRIM, but just unplug when you need to go. Even better yet if your machine has eSATA just plug it in there and then take it with you to have access to your files. Not for everyone, but neat to see this option nevertheless.

 

Can you not to do some manual TRIM with some program or something?

 

There are methods, but not exactly the same as TRIM. Best thing to do is periodically a secure erase. And by secure erase, I mean an OEM specific secure erase command because that actually zaps all the cells, resetting them to a fresh state. If there is no secure erase program available, then you may need to find the hdderase tool that needs to be run from DOS. There was a procedure years ago that was called "TonyTrim" which was developed by a guy named "Tony", that apparently worked as a TRIM substitute.

In the case of this specific SSD though, it has a typical SATA interface so easy enough to plug it in and let regular TRIM ATA commands do their magic. One thing I don't know, however, is if you were doing lots of read/write/delete/changes to files on an SSD through USB, once you hook it up to the SATA port if it will update the TRIM for all existing stale or deleted files, or if it only affects it for files while active when connected SATA.

See these articles:

http://arstechnica.com/gadgets/2015...garbage-collection-so-i-dont-need-trim-right/

http://www.kingston.com/us/community/articledetail?ArticleId=10

 

@HTWingNut it only affects the data written over SATA.

 

I assumed so. Just wasn't sure if when computer was idle Windows might periodically make sure all LBA addresses are trimmed.


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Actually, if Apacer does provide some kind of tool for manual TRIM, this SSD is good news; I'm just not used to fancy tools from SSD manufacturers so didn't consider this possibility.

 

Although from Windows 8.1 and 10 you can do a manual TRIM from within Windows, so it is an option.

 

I still don't think that is possible with a USB connected drive though? (TRIM is dependent on the O/S to be passed along properly and USB is still not one of the methods in which it is passed).

 

No, but I was saying if you use it as an external you could connect it periodically through SATA and TRIM it.