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Seagate > 
Item#: 9SIAAEE43V1379

Seagate Momentus 7200.4 ST9500420AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive

  • SATA 3Gb/s, 7200 RPM, 16 MB Cache
  • Height: 9.50mm

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews
  • newegg High Performance Hard Drive The high performance 7200 RPM 2.5” hard drive provides a large capacity of 500GB, perfect for storing and backing up your movies, music, applications and documents.
  • newegg SATA Interface with Native Command Queuing Employing the Native Command Queuing technology, the SATA interface delivers an amazing internal data rate of 3.0Gb/s for ultra-fast file transfer.
  • newegg G-Force Protection Coming with optional G-Force Protection technology, the Seagate Momentus 7200.4 ST9500420AS provides you the enhanced anti-shock data protection capability during operation.

Learn more about the Seagate ST9500420AS

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Seagate ST9500420AS

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  • Joshua P.
  • 2/27/2016 3:48:16 AM
  • Verified Owner

5 out of 5 eggsAwesome

Pros: One of the 1st 500gb laptop drives and still working today in my Dell Vostro 1500

Cons: it can be bit on the loud side

Other Thoughts: its been running since the start of 2009 no worries

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  • christian m.
  • 9/29/2015 3:57:19 AM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs

Pros: Bough this to replace a dead Barracuda and it is running strong still today 6+ years later.

Cons: None. this one is running strong

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  • Anonymous
  • 7/1/2014 1:49:50 PM
  • Ownership: more than 1 year

2 out of 5 eggsComplete Fail at 2 years

Pros: Boots up OS SUPER fast. Computer always run fast and quiet.

Cons: Completely failed after 2 years, paying hundreds for special data recovery services at the moment.

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  • DAVID R.
  • 6/12/2014 6:09:50 AM
  • Ownership: more than 1 year

3 out of 5 eggsI/O Errors after 2 yrs 6 months

Pros: Runs fairly quiet and low power consumption on Mac

Cons: Mysterious I/O Errors and freeze ups after a little over 2 years service. Caused numerous file transfer crashes. SMART reports the drive as ok but it started making clunking noises and caused my system to freeze in 15 minute cycles. Check of the logs showed I/O errors at the same time of the freeze. Ran multiple tests on the drive and everything looks good. Fortunately I had a second drive on this system and was able to switch boot to it and all is running well on the secondary drive.

Other Thoughts: I'm going to try another one just for the sake of keeping my system uniform. Hopefully this one won't crash so soon. I can't stress enough the need for a backup.

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  • BILL S.
  • 11/30/2013 11:25:55 PM
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsgood

Pros: Been working just fine!

Cons: No comment

Did you find this review helpful? Yes No

2 out of 5 eggsDo not expect to last past warranty date

Pros: Ran well for 2 years

Cons: Frequent read/write errors and BSOD just 4 months after the warranty expires. Within one afternoon, the computer crashed twice and I had save errors reported

Other Thoughts: It seems to be only on the windows partition that has trouble. I also run linux and there are never problems when running that (not sure if it simply handles those issues better but it seems there is one damaged part of the drive).

Guess they know what they are doing when the put a warranty date on a product. Too bad these are not as reliable as other brands.

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  • Kelvin C.
  • 12/20/2012 4:28:31 PM
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsdead

Pros: Ran fine for a year then it died.

Cons: died with no warning at all, just froze up, I did manage to get it to reformat but never could get the Os to install again.

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  • William S.
  • 12/20/2012 3:54:32 PM
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsDrive failed in 15 months

Pros: Cheap price
Good speed
Lots of storage
Decent warranty service

Cons: Drive failed in 15 months. Unrecoverable read errors. Can't even get it to work long enough to back up important data.

Other Thoughts: Technically covered by the Warranty but people I share the computer with aren't comfortable sending their data way so we're just going to eat the cost, but that's not really Seagate's fault.

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  • John C.
  • 12/20/2012 2:30:38 PM
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsSeagate st9500420as

Pros: Ran fine until its death.

Cons: Died one week after the warranty period expired

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  • Walter H.
  • 10/13/2012 6:04:46 AM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs

Pros: Put in a Toshiba Portege M700 in 2010. Still running just fine -- fingers crossed/knocking on wood--

Cons: None

Did you find this review helpful? Yes No

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Laptop Accessories > 
Laptop Internal Hard Drives > 
Seagate > 
Item#: 9SIAAEE43V1379
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