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Product Specifications
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| Brand: | Seagate |
Technical Details
- Robust design and high shock tolerance
- Performance and reliability not matched in other desktop operating environments
- 1000Gs of non-operating shock
- Perpendicular recording technology
- Seagate 3-year limited warranty
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Product Description
Product Description
The Seagate Momentus 7200.4 drive offers the best combination of capacity, mobility and durability in a laptop hard drive to meet the demanding requirements of today's notebook multimedia usage models. The Momentus 7200.4 drive uses proven Seagate perpendicular magnetic recording technology to increase capacity and dependability by storing data bits vertically rather than horizontally.
The Seagate Momentus 5400.6 drive offers the best combination of performance, capacity, mobility and durability in a laptop hard drive. Using optional G-Force Protection technology, this drive provides added durability and robustness in the event of the accidental drops that can occur in strenuous mobile environments. With a capacity of 500 GB, the Momentus 7200.4 drive meets the demanding requirements of today’s notebook multimedia usage models.
Able to withstand up to 1000 Gs of shock, this highly reliable 2.5-inch drive is perfect for notebook or external storage applications. When a laptop is dropped, the most catastrophic damage to the hard drive occurs when the head scrapes across the surface of the disk, causing potential data loss. G-Force Protection technology protects the hard drive against shock by sensing when the system is in a free-fall state, moving the heads off the platter and locking them in place. All this happens within three-tenths of a second when a change in acceleration equal to the force of gravity is sensed. G-Force Protection technology results in added durability and reliability during accidental drops.
Product Description
In Verwendung mit: 34943 - Seagate 500GB 7200RPM 16MB SATA
In Verwendung mit: 34946 - Seagate 500GB 7200RPM 16MB SATA
In Verwendung mit: ICY+BOX-20279 - Seagate 500GB 7200RPM 16MB SATA
In Verwendung mit: ICY+BOX-21229 - Seagate 500GB 7200RPM 16MB SATA
In Verwendung mit: ICY+BOX-21230 - Seagate 500GB 7200RPM 16MB SATA
In Verwendung mit: ICY+BOX-20230 - Seagate 500GB 7200RPM 16MB SATA
Ähnliche Artikel: 0A72335 - Seagate 500GB 7200RPM 16MB SATA
Ähnliche Artikel: HTS725050A9A364 - Seagate 500GB 7200RPM 16MB SATA
Identische Artikel: ST9500421AS - Seagate 500GB 7200RPM 16MB SATA
Zubehör: ICY+BOX-20293 - Seagate 500GB 7200RPM 16MB SATA
Kompatibel mit:
Apple MacBook - Pro 17-inch (Aluminum Mid-2009
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Customer Reviews
Most Helpful Customer Reviews
38 of 38 people found the following review helpful
I upgraded the 320MB 5400rpm Hitachi HTS543232L9SA02 drive to the 500GB Seagate Momentus ST9500420AS in my Macbook Pro (2.66GHz Core 2 Duo). Technically it works really well, no hiccups with the installation, no heat issues even when working hard, and the system feels more nippy (I use things like Photoshop, VMware Fusion etc.).
"xbench" (a free Max benchmarking utility) now reports a "Disk Test" score of 52.6 (vs. 33.7 for the 5400rpm drive). Sample xbench results show a much better performance increase than expected:
Sequential
Uncached Write 256 MB blocks: 78 MB/s (vs. 40 MB/s for the 5400rpm drive)
Uncached Read 256 MB blocks: 80.6 MB/s (vs. 41.1 MB/s for the 5400rpm drive)
Random
Uncached Write 256 MB blocks: 52 MB/s (vs. 20.7 MB/s for the 5400rpm drive)
Uncached Read 256 MB blocks: 26.2 MB/s (vs. 13.2 MB/s for the 5400rpm drive)
Unfortunately the drive is a bit more noisy than the Hitachi, the normal "disk spin" noise is not too disturbing, but the drive vibrates a lot more than the 5400rpm Hitachi. You can feel the difference when you hold the running drives in your hand, and that vibration causes resonance at least in my Macbook Pro (aluminium body) which is very irritating.
So from a performance point of view an extremely worthwhile upgrade, but be aware that this drive might come with some noise penalties, which very much will depend on your system.
Note that the drive comes in different versions and cache sizes, the more expensive "ASG" means it has shock protection, my Macbook has that built in so the normal "AS" version was sufficient for me.
NOTE ADDED 27 May 2010: I just replaced this drive with a Hitachi 500GB Travelstar 7200rpm drive, not because I'm unhappy but because I need to test disk encryption software for work and clone my drive between the tests. I thought I'd post the results here. The pro of the Hitachi drive is that it is dead quiet compared with the Seagate, no annoying vibrating "hummmmm" from it. The drawback is that the Seagate is a bit faster. xbench scores the Seagate at just about 10% faster in all it does.
"xbench" (a free Max benchmarking utility) now reports a "Disk Test" score of 52.6 (vs. 33.7 for the 5400rpm drive). Sample xbench results show a much better performance increase than expected:
Sequential
Uncached Write 256 MB blocks: 78 MB/s (vs. 40 MB/s for the 5400rpm drive)
Uncached Read 256 MB blocks: 80.6 MB/s (vs. 41.1 MB/s for the 5400rpm drive)
Random
Uncached Write 256 MB blocks: 52 MB/s (vs. 20.7 MB/s for the 5400rpm drive)
Uncached Read 256 MB blocks: 26.2 MB/s (vs. 13.2 MB/s for the 5400rpm drive)
Unfortunately the drive is a bit more noisy than the Hitachi, the normal "disk spin" noise is not too disturbing, but the drive vibrates a lot more than the 5400rpm Hitachi. You can feel the difference when you hold the running drives in your hand, and that vibration causes resonance at least in my Macbook Pro (aluminium body) which is very irritating.
So from a performance point of view an extremely worthwhile upgrade, but be aware that this drive might come with some noise penalties, which very much will depend on your system.
Note that the drive comes in different versions and cache sizes, the more expensive "ASG" means it has shock protection, my Macbook has that built in so the normal "AS" version was sufficient for me.
NOTE ADDED 27 May 2010: I just replaced this drive with a Hitachi 500GB Travelstar 7200rpm drive, not because I'm unhappy but because I need to test disk encryption software for work and clone my drive between the tests. I thought I'd post the results here. The pro of the Hitachi drive is that it is dead quiet compared with the Seagate, no annoying vibrating "hummmmm" from it. The drawback is that the Seagate is a bit faster. xbench scores the Seagate at just about 10% faster in all it does.
6 of 6 people found the following review helpful
It's hard to see past the value of this 500GB 2.5" notebook hard drive. I still find it amazing the way storage space doubles - the drive replaces a non-functional 250GB 5400rpm Western Digital unit that was original OEM equipment. The difference in speed between a 5400rpm and 7200rpm drive is easily noticeable during boot, with Windows 7 Professional starting to a login prompt in less than 25 seconds on my system. However, once things are up and running and in everyday use scenarios, the benefits are more marginal. I'm sure this is partly due to the built-in flash cache module on my Dell XPS M1330 notebook (aka Windows ReadyBoost/ReadyDrive/SuperFetch), and party because the seek to seek times don't really improve with a higher spindle RPM.
Suummary:-
Excellent drive, backed by Seagate's rock-solid reliability and performance. No noticeable increase in noise over a 5400rpm drive, and with Vista/Windows 7 hybrid disk power savings I'd say the battery life is more or less the same as well. It therefore comes down to cost, with the slower drives saving you about £15. For a one-off purchase I'd say it's worth the extra, although you can understand why OEMs generally go for 5400rpm units, wanting to make that saving in parts costs.
I was originally planning to rate this review at 4 stars due to the high price, but it is a 5 star product in reality that you have to pay a little premium to get.
Suummary:-
Excellent drive, backed by Seagate's rock-solid reliability and performance. No noticeable increase in noise over a 5400rpm drive, and with Vista/Windows 7 hybrid disk power savings I'd say the battery life is more or less the same as well. It therefore comes down to cost, with the slower drives saving you about £15. For a one-off purchase I'd say it's worth the extra, although you can understand why OEMs generally go for 5400rpm units, wanting to make that saving in parts costs.
I was originally planning to rate this review at 4 stars due to the high price, but it is a 5 star product in reality that you have to pay a little premium to get.
4 of 4 people found the following review helpful
Amazon Verified Purchase
Easy to install and just a couple of minutes to format.
Used Time Machine to load on a full clone of the original drive which took a couple of hours.
No problems at all - no vibrations, no more heat than the original.
Probably the best £55 I have spent in years.
Used Time Machine to load on a full clone of the original drive which took a couple of hours.
No problems at all - no vibrations, no more heat than the original.
Probably the best £55 I have spent in years.
Most Recent Customer Reviews
Terrible Amazon Service.
I'd very much like to be able to review this product but neither it nor its replacement ever arrived! It's now over a month since I ordered it. BEWARE!!!
Published 4 months ago by Very Annoyed!
It reboosted my PC
I needed to change my primary HD on my Dell Inpiron 1720.
I looked on Dell site the list of HD which were compatible and this Seagate was my choice. Read more
I looked on Dell site the list of HD which were compatible and this Seagate was my choice. Read more
Published 4 months ago by Mauro Bufano
Great drive
Used as a straight replacement drive in a 2007 Macbook Pro. Did a bit of research and these drives were factory equipped on later models. Read more
Published 5 months ago by duncfunk
great
This HDD was exactly what it said and exactly what i wanted. Had a slight problem with it, was faulty had a bad sector but Amazon sorted it so fast! Read more
Published 5 months ago by booney
Very good indeed
I had to pay top dollar for this - £99 - presumably because of current shortage of hard drives - but it seems entirely worth it. It is a dream. Read more
Published 6 months ago by Mr. J. L. Tafler
Seagate 500GB Mobile SATA Momentus, 7200RPM 16MB Cache
Having gone through the pros and cons of ssds i decided to replace my old wd 5400rpm hard drive with the seagate 500gb mobile sata momentus 7200rpm drive and i have been using it... Read more
Published 7 months ago by footloose
good, but a tad noisy in my dell...
Got this a few weeks back, and so far it seems great value, no problems. the ONLY thing is it is definitely noisier than my old one, possibly because the old one was the slower... Read more
Published 7 months ago by cderm
Works well so far
I put this in my Inspiron 9400 to increase the capacity and to make it a bit faster as the original hard drive was only 5400 rpm. Read more
Published 8 months ago by Rob Frost
Excellent
Works perfectly on my Sony Vaio! Easy to install, runs smoothly - saved me from buying a new laptop. I would recommend this product.
Published 8 months ago by Krzysztof
Seagate ST9500420S 500GB SATA Momentus 72000RPM Hard Disk.
Purchased this excellent SATA 2.5 7200RPM drive as a replacement for my early 2008 Apple MacBook Pro 15 inch laptop.. I originally had a 200GB SATA 2. Read more
Published 8 months ago by Mr. K. R. Craft
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