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[Review] SSK HE-G300 Enclosure W/ Write Protect Switch


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#1 venerence

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Posted 28 July 2015 - 02:37 AM

So I posted a couple days ago about the write protect enclosure, and now I have some hard figures on it.

 

Where to purchase

I purchased mine from miniinthebox. There appear to be some other suppliers, but miniiinthebox works (just make sure to opt out of the spam they send you, I had to log back in later and find the checkbox buried in account settings).

 

Pictures

So for my initial purchase, I bought 4 of them (at ~$20 per enclosure, it isn't a bad purchase). Gave one to a fellow techie, the other three are present in this review. I have them used with three different drives:

 


  • Samsung Evo 240 1TB msata drive (in a 2.5" adapter)

  • WD Blue 1TB mechanical drive

  • Toshiba 750GB mechanical drive


Both mechanical drives are 5400RPM. I tried a 7200RPM drive, but there wasn't quite enough juice to run it (would probably work with a Y cable).

 

Here is the three drives, along with a zalman zm-ve400 enclosure for comparison

z9dBIvV.jpg

 

Cat for scale

gzofrMc.jpg

 

End of the drive, has a OTB button (which will never be used), and also an additional DC Jack for extra power if needed. The LED is also quite bright when in use.

u9nviEQ.jpg

 

Enclosure when apart. The two sides slide onto the enclosure, and each is held in with two *very* tiny screws (4 total). requires a PH00 screwdriver to properly screw in (none provided). Four additional screws hold the drive in the enclosure.

GO4w898.jpg

 

Picture of the chipset being used. the ASM1053 identification is barely visible, couldn't get the camera to zoom close enough for that detail. The same chipset is used in all four drives received.

Qqk2OGo.jpg

 

SSD being used for testing:

JlwbEGb.jpg

 

 

Does it work?

Short answer, yes. The write protect switch does indeed work as expected. It is worth noting that flipping the switch while in use doesn't do anything, so if you want to protect a drive, flip the switch *before* plugging in.

 

Performance

Performance is quite decent, especially with UASP support for SSDs.

 

UASP?

UASP is a feature built into new chipsets (new being anything with a 3rd generation intel or later). Note that UASP *only* works if the device, the USB chipset, *and* the software support it (windows 8 or linux only for the most part). It allows USB to emulate a SCSI device, and dramatically increase the IOPS (input output per second) of the device. For a mechanical drive, this isn't really anything interesting. For an SSD, this does make a difference.

 

Here we see a zalman drive alongside two of the SSK enclosures. The zalman drive (which does not support UASP) only shows up as a "USB Mass Storage Device". The two SSK enclosures show up as "USB Attached SCSI"

uWsehNb.jpg

 

 

Benchmarks

 

First, for the baseline, we will test the internal 250GB SSD (inside the computer). That gets around 500MBps read/write, which is about what we expect

0Lhz5Xc.jpg

 

Now we test the SSD in the enclosure. We are getting around 250MBPS both read and write, which is not too shabby and about what we can hope for out of USB 3.0

XdqzxTu.jpg

 

Now it's time to show how UASP really shines. I re-ran the test on my older 2nd gen i5 computer, which does not support UASP. Read is approximately the same, but you can see how the write performance suffers dramatically. The max IOPS also goes *way* down. Ouch.

A93nPZ6.jpg

 

Finally, lets test a mechanical drive. Wow, look at that IOPS. Why does anyone use mechanical drives as their system drive anymore?

p5JgSvo.jpg

 

Bootability

Not much to say here, I have booted about three dozen computers from these drives, and they appear to work just fine as boot media. There has been an odd computer here or there that doesn't supply enough power to the mechanical drives, but the solid state drive seems to work every time.

 

Conclusion

If you want a cheap and reliable enclosure with a write protect switch, this is the way to go. I like my zalman drive, and still use it for the ISO capabilities, but you can't really beat a physical switch to make sure nothing nasty gets on your tools.



#2 Wonko the Sane

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Posted 28 July 2015 - 10:01 AM

NIce :).

 

I wonder if it could become a "standard" el-cheapo tool for forensics and/or data recovery. :dubbio: replacing high cost write blockers, I will forward the news onto forensicfocus, maybe some of the more adventurous guys will have time to test one of these for this scope.

 

 

:duff:

Wonko

 

P.S.: Done, JFYI the thread is here:

http://www.forensicf...wtopic/t=13235/

 

P.P.S.: Cute cat :smiling9: Wonko approves of alternative units of measure, the thingy is 0.33 ct (cat tail) long, right? :thumbsup: 



#3 venerence

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Posted 28 July 2015 - 10:38 AM



NIce :).

 

I wonder if it could become a "standard" el-cheapo tool for forensics and/or data recovery. :dubbio: replacing high cost write blockers, I will forward the news onto forensicfocus, maybe some of the more adventurous guys will have time to test one of these for this scope.

 

 

:duff:

Wonko

 

P.S.: Done, JFYI the thread is here:

http://www.forensicf...wtopic/t=13235/

 

P.P.S.: Cute cat :smiling9: Wonko approves of alternative units of measure, the thingy is 0.33 ct (cat tail) long, right? :thumbsup:

 

Approximately 0.34ct actually :).

 

If you are looking for a low cost HDD write blocker, you might be better served by This Coolgear Dock. It's not much more expensive, and it has the advantage of being able to attach all sata/ide drives, not just 2.5" sata drives. This enclosure was my choice more from protecting my portable storage from infections.



#4 Wonko the Sane

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Posted 28 July 2015 - 12:29 PM

 

If you are looking for a low cost HDD write blocker, you might be better served by This Coolgear Dock. It's not much more expensive, and it has the advantage of being able to attach all sata/ide drives, not just 2.5" sata drives. This enclosure was my choice more from protecting my portable storage from infections.

Sure :), I know it (and it is referenced in the thread on forensic focus), and at the time I found even cheaper bridges/adapters, JFYI:

http://www.forensicf...wtopic/t=10557/

http://www.forensicf...er=asc/start=7/

 

 

 

 

Approximately 0.34ct actually :).

Good, someone will then soon define it as "in excess of 1/3 ct" ;).

 

:duff:

Wonko






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