Thunderbolt HDD enclosure for Windows

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Jasis

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Jul 13, 2015
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Hi. Since the Thunderbolt II speed is much faster than SFP fiber, and many thunderbolt HDD enclosure in store is either expensive or have less bays (e.g. netstor NA333TB and highpoint NA211TB-LD ). I am thinking of DIY one for windows server. I am not sure if the following design works, could you give some advice? If this works, can I reach the highest speed of thunderbolt II (if the raid supports that speed)? If it doesn't work, why?

VU5AR28.jpg
 
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Jasis

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Hi. The blue box on the right, thunderbolt card and SAS card are in the same motherboard, is that not enough? They cannot connect each other without a CPU?
 
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kanewolf

kanewolf

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No. They still need a coordinator. Something that knows to router traffic between them. They might know to put data into RAM without a CPU (RDMA), but would not know to move it between the two devices.
 
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Jasis

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Alright, thanks kanewolf. But I am wondering the HighPoint NA333TB (http://www.highpoint-tech.com/USA_new/series_NA333TB_overview.htm). It has RocketRAID card supports 16 disks and transfer data via thunderbolt, but I didn't see there is a CPU in the specification sheet or in the photos, why is that? Does it have a router inside instead of CPU as you described?

thunderbolt_page-4-1.jpg


thunderbolt_page-4-2.jpg
 
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kanewolf

kanewolf

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If you look at this picture from Amazon --
81D01uQqpSL._SL1500_.jpg

You can see the motherboard. Notice it has USB, ethernet, even a card reader. That requires a CPU. Just like there is a CPU in a router, there is one in here.
 
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