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  • USB 3 / SATA bridge chips are in
  • 1 TB in 2.5’’ from Western
  • OCZ Colossus: RAID from Indilinx!
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     USB 3 / SATA bridge chips are in
      Posted on 27/07/2009 at 14:38 by Marc - source: EETimes
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    Within several days of each other, LucidPort then Fujitsu have announced the availability of their first USB 3.0 to SATA bridges. These bridge chips will be used in USB 3.0 (or SuperSpeed USB) hard disk and flash drives, one of a range of peripherals that will benefit from the increase in theoretical bandwidth from 60 MB/s to 625 MB/s from the 2 to 3 version of the standard.


    In practice, the current USB 2.0 to SATA bridges do not work at over 35 MB/s, while standard drives go beyond 100 MB/s and some SSDs 200 MB/s. LucidPort has announced speeds of 210 MB/s for its USB300 using the standard USB Mass Storage Class transfer protocol but we should see an improvement on this with the next protocol, the USB Attached SCSI. Fujitsu has already demoed speeds of 200 MB/s with its MB86C30.

    LucidPort says that with the UAS protocol, it should even be possible to get speeds of 336 MB/s… a rate that would then be limited by the SATA 3 Gbits interface! It is a shame then that these chips do not support SATA 6 Gbits straight away. Other manufacturers such as Faraday Electronics and PLX Technologies should soon launch similar chips.



     1 TB in 2.5’’ from Western
      Posted on 27/07/2009 at 14:04 by Marc
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    Western Digital is the first to launch a 2.5 inch hard drive with a 1 TB capacity. The WD Scorpio Blue 1 TB WD10TEVT as well as the smaller WD7500KEVT with a 750 GB capacity have been announced at $249.99 and $189.99 and use platters with a maximum capacity of 333 GB.


    To achieve this, Western has used 3 platters making the drive 12.5 mm high instead of the usual 9.5 mm for portable drives. For a two platter 1 TB design, we’ll have to wait a year or two!



     OCZ Colossus: RAID from Indilinx!
      Posted on 27/07/2009 at 12:28 by Marc - source: Hot Hardware
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    In the weeks to come OCZ should launch the Colossus, a new 3.5 inch form factor SSD based on two Indilinx Barefoot controllers. Presented at Computex, we now know a little more thanks to new photos of the beast.


    As with the APEX, what we have here is an internal RAID, but if the photos of the SSD are anything to go by, no additional controller is needed – the RAID 0 of the two Jmicron JMF602s on the APEX was handled by a JMB390. A 4x version coupling two Colossus SSDs is also likely to be available, using 4 Indilinx Barefoots: here OCZ will use an extra controller from Silicon Image to couple each of the pairs.

    In terms of performance, according to the early information filtering through, random writes of small blocks of data (4 KB for example) will benefit most from this design. Sequential speeds are limited by the SATA 3 Gbits/s interface while random reads of small blocks of data don’t seem to benefit from the Barefoot RAID. These limited gains mean that this SSD is likely to be of only limited interest.

    The OCZ Colossus should be available in August in 128, 256, 512 GB and 1 TB versions at $299, $649, $1199 and $2199 respectively.


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