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PostPosted: Mon Sep 19, 2016 12:58 pm 
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Black Belt 3rd Degree
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can anyone help me find a pci-e add on card that has (1) usb 3.1 type-c external port, and (1) usb 3.0 or 3.1 type-a internal port.
if there's an extra type-a or type-c external port, that would be fine.

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PostPosted: Mon Sep 19, 2016 3:42 pm 
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Checked New Egg?
http://www.newegg.com/Product/ProductLi ... isNodeId=1

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PostPosted: Tue Sep 20, 2016 5:21 am 
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sure, but I saw nothing with at least one external usb3.1 type-c connector AND an internal usb 3.0 or 3.1 type-a connector.

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my main rig...
asrock 970 extreme3
AMD FX-6300 Vishera CPU
zalman cpns5x performa hs/fan
crucial ballistix 2x4gb sport ddr3-1333
powercolor ax7750 1GBK3-H vga
antec neo he 650r
Samsung 840 EVo SSD 120 GB
toshiba 2TB HDD 64M cache sata3
seagate 1TB HDD 64M cache sata3
hitachi 2TB HDD 64M cache sata3
lg wh14ns40 bd burner
optiarc ad-7240s sata dvdrw (nec chipset)


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PostPosted: Tue Sep 20, 2016 5:35 am 
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this was the closest I found...
http://www.newegg.com/Product/Product.a ... -_-Product
it would be fine except there's no external type-c connector.

what are the advantages of the type-c connector compared to type-a, besides the reversibility?

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my main rig...
asrock 970 extreme3
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zalman cpns5x performa hs/fan
crucial ballistix 2x4gb sport ddr3-1333
powercolor ax7750 1GBK3-H vga
antec neo he 650r
Samsung 840 EVo SSD 120 GB
toshiba 2TB HDD 64M cache sata3
seagate 1TB HDD 64M cache sata3
hitachi 2TB HDD 64M cache sata3
lg wh14ns40 bd burner
optiarc ad-7240s sata dvdrw (nec chipset)


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PostPosted: Tue Sep 20, 2016 6:41 am 
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aha!
http://www.sybausa.com/index.php?route= ... Y-PEX20203

although there is a question as to if this card is usb3.1 or not, but it does have internal and external connectors of the type I want.

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my main rig...
asrock 970 extreme3
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zalman cpns5x performa hs/fan
crucial ballistix 2x4gb sport ddr3-1333
powercolor ax7750 1GBK3-H vga
antec neo he 650r
Samsung 840 EVo SSD 120 GB
toshiba 2TB HDD 64M cache sata3
seagate 1TB HDD 64M cache sata3
hitachi 2TB HDD 64M cache sata3
lg wh14ns40 bd burner
optiarc ad-7240s sata dvdrw (nec chipset)


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PostPosted: Tue Sep 20, 2016 3:18 pm 
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USB "A" is the old standard. USB "C" is the newer, 'future-proof' standard.
https://en.wikipedia.org/wiki/USB_Type-C

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PostPosted: Fri Sep 23, 2016 11:43 am 
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I guess my real question, which I can't find out the answer for is... can the older type-a fitted "3.1" connectors do 10 gbps? or are they just legacy connectors not really intended to reach full bandwidth?
this is why I perceive I need to have type-c connectors.

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crucial ballistix 2x4gb sport ddr3-1333
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Samsung 840 EVo SSD 120 GB
toshiba 2TB HDD 64M cache sata3
seagate 1TB HDD 64M cache sata3
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PostPosted: Fri Sep 23, 2016 3:05 pm 
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http://www.tomshardware.com/news/usb-31 ... 29933.html

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PostPosted: Mon Sep 26, 2016 6:10 am 
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Karlsweldt wrote:
http://www.tomshardware.com/news/usb-31-usb-type-c-refresher,29933.html


terrific article, thanks. the answer to my question may be found in there.... or not.

can type-a connectors do the theoretical 10 gbps, or not? can they even do 5 gbps?

correct me if I'm wrong, but 5 gb/s is equivalent of 625 megabytes/second... which is pretty high for even most current sata ssd's. I've seen some usb 3.0 type-a connectors send almost 250 MB/s through to externally attached ssd's before, so I know it can go that fast... but 10 gbps is over a GB/s! how can that same type-a connector do that kind of speed?!!!

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my main rig...
asrock 970 extreme3
AMD FX-6300 Vishera CPU
zalman cpns5x performa hs/fan
crucial ballistix 2x4gb sport ddr3-1333
powercolor ax7750 1GBK3-H vga
antec neo he 650r
Samsung 840 EVo SSD 120 GB
toshiba 2TB HDD 64M cache sata3
seagate 1TB HDD 64M cache sata3
hitachi 2TB HDD 64M cache sata3
lg wh14ns40 bd burner
optiarc ad-7240s sata dvdrw (nec chipset)


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PostPosted: Mon Sep 26, 2016 3:24 pm 
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Throwing text or images on screen has the least overhead or intensive needs for data transfer. But a hard drive needs a write-back or write-through cache to allow a more constant data flow. The faster the platter spins, the larger the write cache, the better for getting near maximum performance.
If only one host communicating on one USB port, then the data flow should be near max. But if two hosts on one USB port, then data flow is roughly 1/2 max to each.

One old rule has not changed, 8 bits equals one byte, so 5 Gb/s divided by 8 = 78.12500 MB/s (per Google)
https://www.gbmb.org/gb-to-mb

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