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Seagate Barracuda 7200.10 ST3320620AS
The Seagate Barracuda 7200.10 ST3320620AS is a 320 GB hard drive with a 16 MB buffer and a SATA 3 GB /s interface. It is featured as the hard drive of choice in ExtremeTech's best bang for the buck PC. This drive makes use of the perpendicular recording found on all drives in the Barracuda 7200.10 family. This drive is an excellent value purchase coming in around $90 and effective bargain hunter can find it for $80 or less. At this price point you get a very large capacity drive that delivers excellent performance.
MSRP $90.00
Release date --
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Pros & Cons6
Reviews3
Details
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Pros & Cons
2 positive
0 mixed
1 negative
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Details
Perpendicular recording is a technology first introduced in the 7200.10 line and is succeeded by the second generation version found in the newer 7200.11 drives. Perpendicular recording aligns the bits vertically on the disk rather than horizontally, effectively squeezing more data in a smaller area. This means that hard drives made in such a way can increase their maximum capacity, as well as deliver increased sustained data throughput. The drive head can read more data in a small physical distance.
Figure: Bit orientations for longitudinal recording (above) and perpendicular recording (below). (via The Tech Report)
| Specifications |
320 GB |
| Model Number |
ST3320620AS |
| Interface |
SATA 3.0Gb/s |
| Cache |
16 MBytes |
| Capacity |
320 GB |
| Guaranteed Sectors |
625,142,448 |
| PHYSICAL |
|
| Height (max) |
26.1 mm (1.028 inches) |
| Width (max) |
101.6 mm (4.010 inches) |
| Length (max) |
146.99 mm (5.787 inches) |
| Weight (typical) |
635 grams (1.40 pounds) |
| PERFORMANCE |
|
| Spindle Speed |
7,200 rpm |
| Average latency |
4.16 msec |
| Random read seek time |
<8.5 msec |
| Random write seek time |
<10.0 msec |
| RELIABILITY |
|
| MTBF |
700,000 hours |
| Annual Failure Rate |
0.34 % |
| POWER |
|
| Maximum start current, DC |
2.80 amps |
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This report was started
July 6, 2007 at 1:00 pm by
Erik
with the last edit occurring
July 18, 2009 at 10:13 am by
S&M Computers
This page has been viewed
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with
16 edits by
3 contributors.
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Buy It
Seagate Barracuda 7200.10 ST3320620AS
• Seagate Barracuda ST3320620AS, 7200.10 - Hard drive - 320 GB - internal - 3.5" - SATA-300 - 7200 rpm - buffer: 16 MB
• Barracuda 7200.10 320GB Hard Drive
UPC: 000067574933
EAN: 4049982003193
MPN: ST3320620AS
Competitors
There aren't any competitors listed here yet.
Reviews
July 18, 2009
approved
reviewer
have it
1 out of 1 people found this review helpful.
Pros
Did not agree with any pros
Cons
- First drive had numerous errors - many bad sectors
- Makes a lot of clicking sounds as it is reading data off the disk
- Slow access timings
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April 24, 2008
approved
reviewer
love it
have it
Pros
- Great value drive (large capacity, good performance at a good price ~$90)
- Perpendicular recording improves sustained transfer rates
Cons
- Superceded by the 7200.11 drives with 2nd generation perpendicular recording
Comments
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July 6, 2007
approved
reviewer
Pros
- Great value drive (large capacity, good performance at a good price ~$90)
- Perpendicular recording improves sustained transfer rates
Cons
- Superceded by the 7200.11 drives with 2nd generation perpendicular recording
Did you find this review helpful?
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This product is also known as:
7200, ., 10, 7200., .10, 7200.10, ST, 3320620, AS, ST3320620, 3320620AS, ST3320620AS
