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  • Seagate Momentus 5400 250GB 5400RPM SATA 3Gb/s 8MB Cache 2.5 Inch Internal NB Hard Drive ST9250315AS-Bare Drive (Amazon Frustration-Free Packaging)
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Seagate Momentus 5400 250GB 5400RPM SATA 3Gb/s 8MB Cache 2.5 Inch Internal NB Hard Drive ST9250315AS-Bare Drive (Amazon Frustration-Free Packaging)

by Seagate
| 42 answered questions

Available from these sellers.
  • 5,400 RPM Spin Speed, 8 MB Cache Buffer, SATA 3Gb/s interface with Native Command Queuing,250 GB Capacity
  • Support for Read Multiple and Write Multiple commands
  • 1000 Gs of nonoperating shock make the drive ideal for notebook PCs and industrial applications.
  • Robust design and high shock tolerance enable mobility in rugged operating environments.
  • Ships in Certified Frustration-Free Packaging
  • Ships in Certified Frustration-Free Packaging. Two Year Warranty
4 new from $85.00 3 used from $29.99 5 refurbished from $39.00
Is this a gift? Please note that this item ships in its own packaging and cannot be gift-wrapped or concealed.

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  • Buy Used and Save: Buy a Used "Seagate Momentus 5400 250GB 5400RPM SATA 3Gb/s 8MB..." and save 68% off the $94.99 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

Technical Details

  • Brand Name: Seagate
  • Model: ST9250315AS
  • Hard Disk Size: 250 GB
  • Warranty: 3 Year Warranty
  • Hardware Platform: CONSUMER_ELECTRONICS
  See more technical details

Product Details

  • Product Dimensions: 12 x 6 x 6 inches ; 3.2 ounces
  • Shipping Weight: 7.2 ounces
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B002BWPWXK
  • Item model number: ST9250315AS
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (40 customer reviews)
  • Date first available at Amazon.com: April 1, 2009

Product Description

From the Manufacturer

Seagate Momentus 2.5" Internal Hard Drive

Energy Efficient, High Capacity Storage

Engineered specifically for low-power applications, the Momentus internal drive has a 5400RPM spindle speed and a 8MB cache to provide energy-efficient performance at whisper-quiet acoustic levels. With reduced power consumption and heat generation, this drive will reduce power costs up to 50% over the life of the system compared to standard drives. It is optimized for standard laptops and small form factor PCs.

Seagate Momentus Laptop Hard Drive
Robust design and high shock tolerance enable mobility in rugged environments
Durable Mobility Anywhere, Anytime

Momentus is 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 it's more capacity, higher performance, lower power consumption, more security, or greater reliability.

With speeds of 5400 RPM, the Momentus series brings quality and reliability to high-performance laptops, workstations, and gamer systems, as well as mainstream laptops, netbooks and external storage enclosures. Momentus drives are ideal for any consumer solution where robustness and data reliability are a necessity.

Seagate Momentus Laptop Hard Drive
The best combination of performance, capacity, mobility and durability in a laptop hard drive

Momentus Series Technology Features

SmartAlign Technology for Easy 4K Migration

A change is coming to the hard drive industry. The smallest sector of organized data on a drive is moving from 512 to 4,096 bytes. The new format, known as Advanced Format (AF) 4K, offers advantages like increased efficiency, but migrating your drive can be challenging. Luckily, Seagate is ready to help you make a seamless transition to 4K sectors. Seagate's SmartAlign technology automatically does the work of AF migration in the background. The drive's performance is not affected, and there is no need for time-consuming utilities required by other AF-enabled drives.

Seagate Momentus 2.5-Inch Drive Specifications

Momentus 5400 Drives Momentus 7200 Drives
Momentus 750GB1 500GB1 320GB1 250GB1 750GB1 500GB1 320GB1 250GB1
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
Cache (MB) 16 8 8 8 16 16 16 16
How Much Will it Store?
Digital Music Digital Music (Hours) 12,495 8,330 5,331 4,165 12,495 8,330 5,331 4,165
Digital Photos Digital Photos (Files)
Average file size using cameras highest resolution JPEG mode
240,000 160,000 102,400 80,000 240,000 160,000 102,000 80,000
Digital Videos Digital Videos (Hours) 750 500 320 250 750 500 320 250
DVD Quality DVD Quality (Movies)
Based on standard 2 hour movie
187 125 80 63 187 125 80 63
HD Video HD Video (Hours)
Based on H.264 compression at a 6.75Mbs bitrate
187 125 80 63 187 125 80 63
1One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion bytes when referring to drive capacity.

Product Description

Momentus 5400.6 2.5Inch 250Gb 5400Rpm 8Cch Sata

Customer Questions & Answers

Customer Reviews

Installed this in a laptop and it is working great.
Doxie Mom
I replaced my broken laptop hard drive with this one and it worked with no problem.
Lyndon Yamane
Installed OS and transferred all data using recovery software, no issues at all.
Joseph Lydon

Most Helpful Customer Reviews

3 of 3 people found the following review helpful By mc1990 on February 22, 2013
Verified Purchase
I bought it to use in my ps3 and had no difficulty replacing the old one. I surprised my husband (with the replacement already loaded with all of his settings, saved content) and he couldn't have been happier! Awesome product with a better price!
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3 of 3 people found the following review helpful By S. Smith on November 29, 2010
Verified Purchase
I bought this for my son's Playstation 3 and it works terrific. It provided him with more memory, was easy to install, and it has held up great. Recommended.
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5 of 6 people found the following review helpful By Think on January 9, 2012
Installed this in an upgraded Thinkpad T60 with Windows 7. The hard disk was new, not refurbished. Worked perfectly initally. HD started hiccuping and my system diagnostics warned me my hard disk was failing, at about 9 months after installing. It lasted another 2 months and now I'm waiting for a new HD to arrive in the mail to get my computer running. We'll see how Western Digital does.... I would consider myself a very shrewd computer user and I maintain my system very well, but still the Seagate was, unfortunately, a let down.
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2 of 2 people found the following review helpful By john Carter on November 4, 2013
Verified Purchase
it gave my ps3 room to breath and at the same time i can put all of my games on it with room to spare. it was so very easy to install. highly recommended!

since adding this hard drive to my ps3 it has given me way more memory and it has been working like a champ. It has made my ps3 feel like it was brand new again and right out of the box from game stop where i bought it brand new. with this hard drive you will have the same feeling all over again.
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2 of 2 people found the following review helpful By KAB555 on January 24, 2013
Verified Purchase
I used it to replace my PS3 HDD. It's been about 3 months and my PS3 still works so 5 stars.
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1 of 1 people found the following review helpful By Jon K. Myers on September 2, 2012
Verified Purchase
Amazon is very competitive. I needed a hard drive fast and didn't want to pay more for it than other specialty houses such as Newegg...turns out this drive was cheaper than the same model at Newegg, and arrived in 2 days with PRIME...Great job. I downloaded Seagates seatools to duplicate the old drive to the new one and the drive was replaced in no time.
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2 of 3 people found the following review helpful By John Elliott on January 13, 2010
Verified Purchase
Arrived before promised as a replacement drive for a two year old laptop. Worked fine and installed without problem. Finding many newer SATA drives have a shorter life than old PATA drives. Perhaps the mass production or the higher capacity crammed into the same physical space. At least they are very inexpensive
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Verified Purchase
I also needed a case for the hard drive with a usb cable becuase i have to back up the info in it first. Then take out the old HD and put in the new hard drive.

I haven't done it yet but will post if it works.
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