seagate momentus 7200.4 250 gb 7200rpm sata 3gb s 16mb cache 2.5 inch internal nb hard drive st9250410as-bare drive amazon frustration-free packaging
the seagate momentus 2.5-inch drive is the world s most feature-rich 2.5-inch drive for laptops and external enclosures . momentus drives deliver solutions and customer confidence with options in speed and capacity and innovative features such as self-encrypting drives and drop sensor technology . choose from six capacities 750 640 500 320 250 and 160gb two performance speeds 7200 rpm and 5400 rpm and three innovative features self-encrypting drives fips 140-2 certification in process and free-fall drop sensor . momentus drives give you the power to transform from ordinary to extraordinary . seagate momentus momentus laptop hard drives what the experts are saying ... the world s most feature-rich 2.5-inch drive for laptop upgrades and external enclosures . the momentus drive family offers innovative options capacities to 750gb two performance speeds and significant feature options . the seagate momentus drives are perfect for any standard laptop and meet your specific upgrade needs whether they are more capacity higher performance lower power consumption more security greater reliability why choose the seagate momentus 7200-rpm and 5400-rpm speeds and 8mb and 16mb cache size to increase application performance 750 640 500 320 250 and 160gb models for 5400-rpm drives 750 500 320 250 and 160gb models for 7200-rpm drives seagate smartalign technology provides a transition to 4k sectors without the need for software utilities optional fips 140-2 validated seagate self-encrypting drive technology delivers government-grade encryption without performance degradation - protecting your data where it lives . optional seagate g-force protection technology can detect when your laptop is in a free-fall swing the drive heads to a safe zone and keep the data safe . not available in all models or countries . requires tcg-compliant host or controller support . tm the fips logo is a certification mark of nist which does not imply product endorsement by nist the u.s. or canadian governments . the overall read and write speeds were the best of the comparison drives for all of the testing reaching over 100mb a second at one point . the fact that this is a 2.5 hard drive this makes it a great contender ... - overclockers club august 2009 forget the charts forget the benches we had a real life winner here . the 7200 rpm platter speed consuming only .05 v more voltage than a 5200 rpm drive had won us over quickly . - bjorn3d april 2009 the seagate momentus st9500420as is one hell of a performer and the 500 gb capacity makes it an excellent choice for notebooks to be used as desktop replacements . - techtree may 2009 seagate momentus 7200.4 mobile hard drive st9500420as buzzilions reviewers choice finalist 2010 . ranked 14 - buzzilions 2010 seagate dominates the performance segment with the momentus 7200.4 . - tom s hardware june 2009 the world s most feature-rich 2.5-inch drive for laptop upgrades and external enclosures now available up to 750gb seagate momentus family hard drives seagate momentus 5400 amp 7200 rpm drives with capacities up to 750gb seagate momentus xt solid state hybrid drives with adaptive memory technology click here momentus specifications momentus 5400 drives momentus 7200 drives feature options 640gb 1 500gb 1 320gb 1 250gb 1 160gb 1 750gb 1 500gb 1 320gb 1 250gb 1 160gb 1 standard models st9640320as st9500325as st9320325as st9250315as st9160314as st9750420as st9500420as st9320423as st9250410as st9160412as free-fall sensor models st9500325asg 2 st9500420asg 2 st9250410asg 2 fde models st9500327as st9250317as st9500421as st9250411as fde fips 140-2 models st9500422as st9250412as interface sata 3gb s ncq sata 3gb s ncq sata 3gb s ncq sata 3gb s ncq sata 3gb s ncq sata 3gb s ncq sata 3gb s ncq sata 3gb s ncq sata 3gb s ncq sata 3gb s ncq cache mb 8 8 8 8 8 16 16 16 16 16 configuration bytes per sector 512 512 512 512 512 4096 3 512 512 512 512 reliability data integrity head-rest method quiet step ramp load quiet step ramp load quiet step ramp load quiet step ramp load quiet step ramp load quiet step ramp load quiet step ramp load quiet step ramp load quiet step ramp load quiet step ramp load load unload cycles gt 600 000 gt 600 000 gt 600 000 gt 600 000 gt 600 000 gt 600 000 gt 600 000 gt 600 000 gt 600 000 gt 600 000 nonrecoverable read errors per bits read 1 per 10e14 1 per 10e14 1 per 10e14 1 per 10e14 1 per 10e14 1 per 10e14 1 per 10e14 1 per 10e14 1 per 10e14 1 per 10e14 annualized failure rate afr 0.48 0.48 0.48 0.48 0.48 0.50 0.50 0.50 0.50 0.50 power management power w seek typical idle typical 1.3 0.68 1.54 0.81 1.54 0.81 1.54 0.81 1.54 0.81 1.5 0.7 1.554 0.67 1.554 0.67 1.554 0.67 1.554 0.67 environmental temperature c operating nonoperating 0 to 60 -40 to 70 0 to 60 -40 to 70 0 to 60 -40 to 70 0 to 60 -40 to 70 0 to 60 -40 to 70 0 to 60 -40 to 70 0 to 60 -40 to 70 0 to 60 -40 to 70 0 to 60 -40 to 70 0 to 60 -40 to 70 shock gs operating 2ms nonoperating 1ms 350 1000 350 1000 350 1000 350 1000 350 1000 350 1000 350 1000 350 1000 350 1000 350 1000 acoustics bels sound power idle typical seek typical 2.3 2.6 2.4 2.6 2.4 2.6 2.4 2.6 2.4 2.6 2.3 2.5 2.3 2.5 2.3 2.5 2.3 2.5 2.3 2.5 physical height in mm 0.374 9.5 0.374 9.5 0.374 9.5 0.374 9.5 0.374 9.5 0.370 9.5 0.370 9.5 0.370 9.5 0.370 9.5 0.370 9.5 width in mm 2.75 69.85 2.75 69.85 2.75 69.85 2.75 69.85 2.75 69.85 2.75 69.85 2.75 69.85 2.75 69.85 2.75 69.85 2.75 69.85 depth in mm 3.957 100.5 3.957 100.5 3.957 100.5 3.957 100.5 3.957 100.5 3.951 100.35 3.951 100.35 3.951 100.35 3.951 100.35 3.951 100.35 weight lb g 0.218 98.8 0.218 98.8 0.218 98.8 0.218 98.8 0.218 98.8 0.254 115 0.238 110 0.238 110 0.227 105 0.227 105 1 one gigabyte or gb equals one billion bytes and one terabyte or tb equals one trillion bytes when referring to drive capacity . 2 drive with g-force protection feature 3 advanced sector format 4k drive with smartalign technology resolves misalignment conditions .