Seagate Momentus 7200.3 ST9320421AS 320 GB

Seagate Momentus 7200.3 ST9320421AS 320 GB

ST9320421AS - Internal hard drive - 2.5" x 1/8H - 7200 rpm - 300 MBps - Serial ATA-300 more

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The Seagate Momentus 7200.3 drive - the industry's highest-performing 7200-RPM laptop hard drive - delivers performance, small size and mobility to all users. Available with...
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Seagate Momentus 7200.3 ST9320421AS 320 GB

Hard drive

Form Factor: 2.5" x 1/8H

Capacity: 320 GB

Interface Type: Serial ATA-300

Buffer Size: 16 MB

Features: QuietStep, Native Command Queuing (NCQ), Perpendicular Recording, Ramp Load

Performance

Drive Transfer Rate: 300 MBps (external) / 80 MBps (internal)

Seek Time: 11 ms (average)

Average Latency: 4.17 ms

Spindle Speed: 7200 rpm

Reliability

MTBF: 500,000 hour(s)

Non-Recoverable Errors: 1 per 10^14

Start / Stop Cycles: 600,000

Manufacturer's product description

The Seagate Momentus 7200.3 drive - the industry's highest-performing 7200-RPM laptop hard drive - delivers performance, small size and mobility to all users. Available with G-Force Protection, this drive also offers added durability and robustness in the event of the accidental drops that can occur in strenuous mobile environments. The Seagate Momentus 7200.3 laptop hard drives are perfect for mainstream and performance laptops, workstations and small form factor PCs.

Expansion / connectivity

Interfaces: 1 x Serial ATA-300 - 7 pin Serial ATA

Compatible Bays: 1 x internal - 2.5" x 1/8H

Environmental parameters

Min Operating Temperature: 0 °C

Max Operating Temperature: 60 °C

Shock Tolerance: 350 g @ 2ms (operating) / 1000 g @ 1ms (non-operating)

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Listed on Ciao since : 28/06/2008


Reviews which might be of interest for Seagate Momentus 7200.3 ST9320421AS 320 GB    
Seagate Momentus 7200.1 ST910021A 100 GB Review
Review of Seagate Momentus 7200.1 ST910021A 100 GB by  Jon_Farrimond

Advantages: Small, fast, large cache
Disadvantages: Expensive

...times. So overall it performs well. Seagate are a trusted manufacturer and have been around for a while. As far as I'm aware they have never made a bad device line, but then my HDD's of preference are normally Western digital. The device uses an 8mb cache, this isn't a special as it used to be since many other 2.5"HDDs now use this amount but its still a plus point for the device. It runs a 7200RPM, this is about the same as many normal 3.5" HDDs but is quite fast for a laptop variant. As I said before it is important to look at your need for this type of device, there are many other devices available that do the same job but for a far lower price. You should only buy 2.5" HDD's if you really need one and if you can't use anything else. I bought this one new from Ebuyer for just over £100 inc VAT and delivery. Its now happily running... Read review

Ciao members have rated this review on average helpful

helpful
25.06.2006
Best 7200.10 hard drive but still not perfect
Review of Seagate Barracuda 7200.10 320 GB by  neo1983

Advantages: Fast except multithread read,good capacity, stable, 5 years warranty
Disadvantages: Weak at multithread/multiple reads, a little noisy

...I've used a similar model for a long time and I have mixed opinions about 7200.10 hard drives. The good things of Seagate Barracuda 7200.10 Seagate hdd are the most stables drives in the market, I've used my drive for quite a time and never experienced a single problem. Large capacity, 320 GB is more than enough (300 Gb real) Good speed, especially at writing data, but also at reading excepting multiple file copy. Speed is about 75-80 Mb at large files The access time is about 13-14ms (about the same as other hdd) Temperature IS OK. Very stable and reliable The not so good things: Multitasking read performance. While on single thread the performance is high, 75 Mb, while increasing the threads, many aplications used the speed drops at about 5-10 Mb A little noisy especially when many aplications are used Conclusion. Good hard drive... Read review

Ciao members have rated this review on average helpful

helpful
18.07.2007
Very quiet, fast HDD, Perpendicular recording
Review of Seagate Barracuda 7200.10 320 GB by  zedreview

Advantages: Fast, new Perpendicular Technology, very quiet, fair price
Disadvantages: Not keen on cloning software available from Seagate

...The 7200.10 hard disk drives from Seagate are the first to use new Perpendicular Technology for recording data. This makes them, in theory, faster than other hard disk drives. This is because the drive head has less far to move in order to record/retrieve the same amount of data. I have recently purchased the 320GB ATA100 version and I do notice slightly higher speeds compared to my previous Seagate Barracuda 7200.9 80GB drive. Official reviews claim that the seek noise is higher with the 7200.10 than 7200.9, and higher than the majority of other leading drives. However, I cannot personally hear it seek at all, even when the drive is very busy. I do have a well insulated case but I am still able to hear the internal fans and another older hard disk I have. The reviews I've seen give very favourable figures for the spinning noise, which... Read review

Ciao members have rated this review on average helpful

helpful
02.03.2007

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Related tags for Seagate Momentus 7200.3 ST9320421AS 320 GB
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