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Fujitsu/Toshiba MJA2500CH (500GB)

Laptop Storage: 640GB And 500GB Drives From WD And Fujitsu
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The Toshiba buyout announcement arrived in February, and the acquisition became effective just recently. Fujitsu still holds 19.9% of the former hard drive business throughout the transitional period, but Toshiba now controls the hard drive design, manufacturing, and sales divisions formerly operated by Fujitsu.

The goal was to obtain Fujitsu’s large business clientele, whose importance is growing given the transition from 3.5” to 2.5” formats. Toshiba did not have enterprise-class drives in its portfolio, but the company is strong in NAND flash, making it obvious that it needs a door opener for the enterprise market. Additionally, the 38.6 million 2.5” drives shipped by Fujitsu in 2008, combined with Toshiba’s 34.5 million shipped drives, makes Toshiba the #1 global supplier for 2.5” drives.

The Toshiba 2.5” hard drive index page lists all hard drives from Fujitsu and Toshiba. We found the MJA2500CH, which is no longer available through fujitsu.com. This drive is available at 80GB, 250GB, and 500GB capacities, and they all share the same basic specifications: 5,400 RPM, 8MB buffer, SATA/300, and 9.5 mm standard Z-height. The 500GB model is based on two platters and weighs in at 101g while the two other versions are based on a single platter and weigh 96g.

The Fujitsu drive’s 89 MB/s maximum throughput is best of class; the second-fastest is WD’s new 640GB Scorpio Blue. Unfortunately, access time isn’t really quick at 20 ms. Other 500GB notebook drives range around 16 to 19 ms. I/O results are similar, with the Fujitsu drive providing great throughput, but only average I/O and PCMark Vantage performance.

But the MJA2500CH has other good qualities. Its 0.7W idle power is as low as you can get today, and it never consumed more than 2.5W. The 0.9W required for HD video playback is excellent—right down there with Hitachi’s Travelstar 5K500.B and, ironically, the in-house competition from Toshiba.

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  • 0 Hide
    Anonymous , November 2, 2009 8:11 AM
    toshiba and fujitsu have already merged
  • 3 Hide
    davidgrenier , November 2, 2009 9:29 AM
    Random read + Random write please next time.
  • 1 Hide
    martin33w20 , November 2, 2009 2:45 PM
    While it may not fit every drive bay of the many laptop manufactures. WD has a 12.5mm 1TB 2.5" drive.
  • 0 Hide
    acme_petey , November 2, 2009 3:20 PM
    I bought the WD 500GB drive a few months ago now and am very pleased with it. I don't have benchmarks, but it feels a LOT faster than my older 60GB drive and extended my battery life a bunch. Running Win7 on top of that almost doubled my battery life under normal usage.
  • 0 Hide
    pharge , November 2, 2009 5:38 PM
    Wondering can a 12.5mm 2.5" drive fit in the PS3?

  • -3 Hide
    Zoonie , November 2, 2009 9:12 PM
    phargeWondering can a 12.5mm 2.5" drive fit in the PS3?


    I wouldn't bet on it, but 640gb should be enough for a while :) 
  • 1 Hide
    ssslip , November 4, 2009 7:22 PM
    Yes I too am wondering if the 9.5mm 120GB/250GB 2.5" Toshiba hard drives that Sony ships inside the PS3 Slim can be replaced with a 12.5mm 2.5" drive. I don't have access to a PS3 Slim or a fat 12.5mm drive so I can't confirm myself.
  • 0 Hide
    tmc , November 4, 2009 7:40 PM
    Oh, that's why these HD makers have capacities as low a 80gb.. newsflash... flash memory is beginning to overlap these.. a redesign of the PS3/XBOX be made to use usb flash or sdhc flash instead of a HD at comparable prices!

    I was about to comment that the numbers of hd's shipped in the 2.5" capcacities seemed like oversupply.. but when you factor in the low capacity hd's for consoles, it's about right. Still, anything below 250gb should be discontinued, IMO and come with 16mb cache memory (that's a big spread to have 80gb - 1000gb capacity in HD's when flash is beginning to overlap 64gb & 128gb usb sticks coming out and prices are bound to come down eventually).