Intel Working to Boost Thunderbolt Speeds with Move to PCI-Express 3.0

IDG News reports that Intel is currently working on shifting its Thunderbolt standard to the PCI-Express 3.0 protocol, a move that could allow the company to double data transfer speeds over existing implementations based on PCIe 2.0.

Intel in the future will support the PCI-Express 3.0 protocol to shuttle data faster between host devices and peripherals, an Intel spokesman said in an email. Computers with Thunderbolt interconnect currently communicate with external devices using the older PCI-Express 2.0 technology.

The company will incorporate PCI-Express 3.0 in Thunderbolt, but could not provide a time frame for when it will be accomplished.

PCIe 3.0 offers a 60% boost in raw data transfer speed compared to PCIe 2.0, going from 5 gigatransfers per second (GT/s) to 8 GT/s. But significantly lower overheard requirements in PCIe 3.0 mean that the effective bandwidth can be doubled by moving to the latest standard.

thunderbolt
PCIe 3.0 is already making an appearance in Intel's chip products, including the just-launched Xeon E5 chips that could power updated Mac Pro models, as well as the forthcoming Ivy Bridge chips for notebooks and desktops. It will, however, take some time to move Thunderbolt over to PCIe 3.0 and get peripheral manufacturers onboard with the standard.

Apple and Intel debuted Thunderbolt technology with a MacBook Pro update in February 2011, and the standard has rolled out to Apple's entire Mac product line with the exception of the Mac Pro, which has not been updated since mid-2010.

Top Rated Comments

Fraaaa Avatar
133 months ago
Give me external graphic cards already!!
Score: 20 Votes (Like | Disagree)
CrackedButter Avatar
133 months ago
I think it's more important to actually have 3rd party devices we can buy and use before needing to upgrade the specification.
Score: 15 Votes (Like | Disagree)
smileyborg Avatar
133 months ago
I think Thunderbolt is a great spec. But until there are more peripheral devices to use with it, it really doesn't matter how fast it is...

The existing PCIe 2.0 spec is lightning fast, if only we could get it showing up on docking stations, external hard drives, external graphics/physics cards, etc.
Score: 13 Votes (Like | Disagree)
tatonka Avatar
133 months ago
How about boosting some actual products instead .. just saying.
Score: 11 Votes (Like | Disagree)
theheadguy Avatar
133 months ago
Is now a bad time to buy a 17" MBP then? :(
Only you can decide that. Is 5 gigatransfers per second too slow for you?
Score: 9 Votes (Like | Disagree)
wikus Avatar
133 months ago
It all sounds great, external video cards, fast speeds, etc... Where's the hardware?! At least Apple could make something by now since third parties are way behind...

:mad:

If Apple were to release any kind of device, you can be damn sure it would cost at least 50% more than anyone elses for NO LEGITIMATE REASON.
Score: 6 Votes (Like | Disagree)

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