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Seagate Momentus 7200.3 ST9320421AS 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Notebook Hard Drive Bare Drive

Ships from United States. Most customers receive within 3-9 days.

Sold and Shipped by E.O.L. Tech Inc,. a-seller

Purchases from these Sellers are generally covered under our Newegg Marketplace Guarantee.
Marketplace Seller
  • 7200 RPM
  • 16MB Cache
  • SATA 3.0Gb/s
  • 3 years limited

  • Specs
  • Warranty & Returns
  • Reviews

Learn more about the Seagate ST9320421AS

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
Ownership: more than 1 year
Verified Owner
5/ 5
Lasts Forever 4/24/2013 5:43:03 PM

Pros: I purchased this HD on 12-2008. It has 1524 days of power on. It was originally in a laptop, then I transferred it to my HTPC in June of 2010.

This is what seagate was known for. Solid, long lasting, dependable drives. What made me check into it is the transfer speed has slowed down to 30MBs over my network.

Cons: Sadly seagate doesn't make products like this anymore.

1 out of 1 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
3/ 5
dead 8/16/2011 3:59:29 PM

Pros: Worked 2yrs 7 mo no problems. 3 yr warranty

Cons: Died

Overall Review: Has a 3yr warranty ... will call them & see how tgat goes

0 out of 1 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
5/ 5
nice PS3 upgrade 6/12/2011 3:33:45 AM

Pros: Nice storage upgrade

Cons: No noticeable speed improve 7200RPM over stock 5400RPM PS3 HDD

0 out of 1 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
5/ 5
top notce 5/25/2011 4:54:14 PM

Pros: owned for 2 years. top notch. not a single problem. runs quiet, and fast

Cons: a little warm, not a big deal

1 out of 1 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
3/ 5
Lasted 2 years 4/19/2011 5:08:12 PM

Pros: While it worked it was good and fast

Cons: It lasted in a Macbook Pro for a little over 2.5 years. Now it wont spin up and is dead as a door nail

Overall Review: I had hopes that it would have held up better -- in a basically stationary laptop. This was my upgrade from the 160GB Hitachi that originally came with the laptop.. It was good while it lasted.

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Ownership: more than 1 year
5/ 5
Excellent drive 2/24/2011 7:35:35 PM

Pros: Time in the field doesn't lie: Owned and used intensely for over 2.5 years in a 15" MBP (late 2008 unibody). About to upgrade, and just wanted to add to the stats. I'll be getting a Seagate of twice the capacity for the same price... amazing.

Cons: None, for a drive of its age, it's performing perfectly.

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Ownership: 1 week to 1 month
Verified Owner
2/ 5
Seagate Momentus 7200.3 ST9320421AS 320GB 9/8/2009 10:41:57 AM

Pros: Easy to install in no time and for the price its its great.

Cons: Its crash with no warning, one day its running fine and the next minute crash.

0 out of 2 people found this review helpful. Did you?
Ownership: 1 day to 1 week
Verified Owner
5/ 5
Wow..... 9/1/2009 8:47:03 PM

Pros: Wow, I never write reviews because frankly I am too lazy and dont have the time. This replaced an IBM Travelstar 100gb 7200 Rpm made on August 9 2006 because I needed more space on my thinkpad (I have lots of junk on my computer). This new drive is much quiter, and faster. I keep my HD defragmented, and my OS and startup lean, but this made a bid difference. Everything is faster and quiter.

Cons: It wasnt free

Overall Review: Great drive, I have had lots of hard drives of all types, and dont really notice a big difference, until I got this one.

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The following guidelines apply to all product categories unless otherwise indicated within specific categories.

  • New : This means the product will ship as received by the manufacturer, sealed, with all advertised components, and with the manufacturer warranty.
  • Refurbished : This means the product was tested and repaired as required to meet the standards of the refurbisher, which may or may not be the original manufacturer. Any exceptions to the condition of the item outside the manufacturer’s information should be provided in the listing, up to and including warranty details.
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  • Used - Like New : This means that the product has been opened, possibly used but is in perfect condition with no signs of cosmetic or functional defect. Product may includes warranty, and accessories found with the original product. Product may or may not be in the original packaging. Returned items with minor packaging defects fall under this category.
  • Used - Very Good : This means that the product has been opened, may show slight signs of use and cosmetic blemish, and may be missing minor accessories, but remain in excellent condition. Product does not come with warranty unless stated otherwise in product description.
  • Used - Good : This means that the product has been used, may show clear signs of use and may be missing minor accessories, but remain in good condition. Product does not come with warranty unless stated otherwise in product description.
  • Used - Acceptable : This means that the product shows clear signs of use, cosmetic defect, and may be missing minor accessories and manual, but remain in working condition. Product does not come with warranty unless stated otherwise in product description. Functionality issues beyond signs of use should be disclosed in product description.
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