Intel Reportedly Shipping New Thunderbolt Controllers Ahead of April 23 Ivy Bridge Introduction
VR-Zone reports that Intel has begun shipping its second-generation Thunderbolt controller chip, known as "Cactus Ridge". As previously discussed, Cactus Ridge will arrive in both four-channel (DSL3510) and two-channel (DSL3310) versions, offering Apple a pair of options for including the new chips in its forthcoming products.
Another aspect that makes the DSL3510 interesting is that it supports multiple internal DisplayPort inputs. What this means is that it could in theory interface with a discrete graphics card as well as the integrated graphics from an Intel CPU. This is likely to be the chip used by Apple in its desktop systems, whereas the more power efficient DSL3310 will end up in notebook products.

The arrival of the new Thunderbolt chips lines up nicely with Intel's Ivy Bridge processors to set the stage for updates to a number Apple's Mac lines. Previous reports have indicated that the first batch of quad-core desktop and mobile Ivy Bridge chips appropriate for Macs should be arriving on April 29, with an announcement coming in the week prior to that date.
Digitimes now claims that the announcement will take place on April 23, with a number of PC manufacturers lined up and ready to launch systems using the new processors. The report points to PC vendors being ready to release new ultrabooks beginning in May, but previous reports had claimed that the lower-voltage chips likely to make their way into the more compact machines won't be launching until early June.
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We've rounded up our coverage and highlighted the main feature changes for each device below.
MacBook Pro
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Apple on Wednesday updated the 14-inch MacBook Pro, iPad Pro, and Vision Pro with its next-generation M5 chip, but previous rumors have indicated that the company still plans to announce at least a few additional products before the end of the year.
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Apple on Wednesday updated the 14-inch MacBook Pro base model with an M5 chip, and there are two key storage-related upgrades beyond that chip bump.
First, Apple says the new 14-inch MacBook Pro offers up to 2× faster SSD performance than the equivalent previous-generation model, so read and write speeds should get a significant boost. Apple says it is using "the latest storage technology," ...
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