USB3

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First Light · #1 Post by **First Light** » Wed Aug 18, 2010 5:33 pm

Does anyone have an idea when USB3 will become available in Thinkpad's?

Radioguy · #2 Post by **Radioguy** » Wed Aug 18, 2010 11:11 pm

I don't know myself, but I do see the new Seagate FreeAgent GoFlex portable 2.5" external drives are selling well at Best Buy. They are 3.0, yet come with a 2.0 cable. (The 3.0 cable is sold separately)

I mention it, because unlike ExpressCard (which I saw as an option on ThinkPads before I commonly saw cards), this is a major laptop peripheral which is widely available before the laptops themselves. Hopefully it will push Lenovo into 3.0 sooner rather than later, if it's not included in the next model designs already.

dr_st · #3 Post by **dr_st** » Wed Aug 18, 2010 11:18 pm

W510/W701 already have USB3.

Rochefort · #4 Post by **Rochefort** » Thu Aug 19, 2010 6:36 am

dr_st wrote:W510/W701 already have USB3.

Are they working alone like USB2 ports or a power supply is required ?

Radioguy · #5 Post by **Radioguy** » Thu Aug 19, 2010 9:41 pm

dr_st wrote:W510/W701 already have USB3.

Superego · #6 Post by **Superego** » Thu Aug 19, 2010 10:54 pm

Rochefort wrote:Are they working alone like USB2 ports or a power supply is required ?

I'm using a Seagate FreeAgent GoFlex with a USB3 cable on my W510 and no power cord is needed. Not sure about other devices

Radioguy · #7 Post by **Radioguy** » Fri Aug 20, 2010 7:36 pm

How's the performance compared to 2.0?

fasteez · #8 Post by **fasteez** » Sat Aug 21, 2010 12:42 pm

This is old data, but first bench, using usb3 expresscard adapter and an external harddrive, concluded in 100+ MB/s.

Another long awaited feature is the event-driven bus (instead of a constantly polling one) which in theory would improve cpu usage and power consumption too.

Rochefort · #9 Post by **Rochefort** » Mon Aug 23, 2010 6:15 am

Superego wrote: I'm using a Seagate FreeAgent GoFlex with a USB3 cable on my W510 and no power cord is needed. Not sure about other devices

Fine
*************
@ fasteez
Is a power cord required for an XpressCard ?

fasteez · #10 Post by **fasteez** » Mon Aug 23, 2010 12:22 pm

I don't know, it may supply power but it can depend on the XpressCard specs.
After a quick search (I'm not really knowlegable here anyway) it seems that XpressCard is a little bit low on power supply , 3.3V instead of the 5V of USB2/3 ...

Rochefort · #11 Post by **Rochefort** » Tue Aug 24, 2010 6:27 am

fasteez wrote:I don't know, it may supply power but it can depend on the XpressCard specs.
After a quick search (I'm not really knowlegable here anyway) it seems that XpressCard is a little bit low on power supply , 3.3V instead of the 5V of USB2/3 ...

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