by Anand Lal Shimpi on 6/1/2011 2:50:00 AM
Posted in Trade Shows , Thunderbolt , Promise , Computex 2011 , Apple , Mac , Intel
Posted in Trade Shows , Thunderbolt , Promise , Computex 2011 , Apple , Mac , Intel
Buy the be.ez 100911 2181 Computing
$24.99
Yesterday Intel told us that Ivy Bridge would feature both USB 3.0 and Thunderbolt on its Ivy Bridge platform (USB 3.0 will be integrated into the chipset, Thunderbolt will simply be an optional component), that should help make both standards see more widespread adoption in 2012.
Two lines of systems currently support Thunderbolt: the new MacBook Pro and the new iMac, unfortunately there are no Thunderbolt peripherals available. Apparently both Apple and Intel want to approve devices before they go on sale, at least initially to ensure there are no embarrassing problems at launch. Although Promise showed off Thunderbolt enabled external storage devices at the Thunderbolt launch in February, we won't see availability until the end of June at the earliest.
Promise will release two external storage devices that use Thunderbolt as their sole interface: the Pegasus R4 and Pegasus R6. The difference between the two is strictly the number of drive bays; the R4 has 4 bays and the R6 has 6 bays. Both platforms support RAID 0/1/5/6 and 10.
The Pegasus enclosure has two Thunderbolt ports, one for input and one for output. Pegasus can pass through video, however the final connection to your display has to be via a DisplayPort cable since there are no Thunderbolt displays today other than what's integrated into the iMac/MBP. The Thunderbolt spec as implemented in the Macs supports up to 6 devices per root connection.
The Pegasus' bays support both 3.5" and 2.5" drives. Promise had a setup using Intel X25-Es although I'd expect SSD 510s to be used in any shipping products with SSDs. Pegasus does support 6Gbps drives, although the highest transfer rates I ever saw on the machine maxed out at 850MB/s despite the use of a 6-drive RAID-0. It looks like there may be some internal bottlenecks at work here.
Here's a shot of what a connected TB device looks like in System Profiler:
Activity Monitor accurately reports disk activity that happens over the Thunderbolt interface:
And of course performance results:
Promise also had its SANlink on display at the show:
The prototype takes a single Thunderbolt connection and allows you to bridge it to up to two 4Gbit Fibre Channel ports for connected a system to a beefier SAN.
7 Comments
Promise Bridge by MGSsancho on Wednesday, June 01, 2011
This thing will sell very very well. I assume towers will just use a pcie/pcix Fiber Channel card and this bridge will be of use to imacs and macbooks. To me this bridge is more interesting that the enclosures as currently avaliable
MGSsancho
Reply
Price? by Kristian Vättö on Wednesday, June 01, 2011
Any word on the prices? I think that is the biggest unknown atm.
RE: Price? by dagamer34 on Wednesday, June 01, 2011
Expensive.
Connector? by Guspaz on Wednesday, June 01, 2011
Intel tells us that it'll be widespread, but with Sony using a different connector than Apple, will Thunderbolt fail because of fragmentation?
"Pegasus does support 6Gbps drives, although the highest transfer rates I ever saw on the machine maxed out at 850MB/s despite the use of a 6-drive RAID-0."
Unless thats a typo, 850MB/sec is equivalent to 6.8Gbps.
Unless thats a typo, 850MB/sec is equivalent to 6.8Gbps.
It's not a typo. 6 x 6Gbps is far more than 6.8Gbps. I don't know how many drives was in the demo unit, but I'd say the author likely thought that n-SSDs would be able to saturate the 10Gbps Thunderbolt connection.
sdvfsfv by wanlewanle on Tuesday, July 19, 2011
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@nadamany the UX32, not the thinner UX31, has a single SO-DIMM slot. Only qualified for up to 4GB, 8GB should work but not 100% yet
Just a little Jay-Z and SSD testing, maybe even building a new HTPC for the theater
ASUS' Zenbook Prime UX21A now in Bench: http://t.co/o8WRdDKX
@JonWorrel the UX21A, the review just posted: http://t.co/LN9GNdiY
@DrPizza @mcrommert @babgvant there's progress, just not along this one vector. that will come too.
@DrPizza @mcrommert @babgvant hangon now: 19x10 in an 11.6-inch form factor, much better CPU perf, much better wifi, USB 3, etc...
@DrPizza @mcrommert @babgvant wait seriously it is?!? is that why all of my machines are running so slow? :-P
@DrPizza @babgvant @mcrommert welcome to the world of appliance computing, just upgrade again next year when you need more memory
@babgvant @DrPizza @mcrommert I agree that I would like to see more, but 4GB with an SSD is definitely usable for most client workloads
Running a cTDP battery life test on the Zenbook Prime at 13W while I prepare the V4 1.4 on the SSD testbed
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