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Seagate Momentus 7200 750GB SATA Notebook Hard Drive
It's hard to start talking about a platter based drive without
making mention of a Solid-State Drive at this point. Everybody in
the market for a new hard drive will at least take a quick peek at
SSD prices and start contemplating.... "Just how much space do i
need" or "should I get a small SSD for my boot drive and use a
platter drive for my apps and data". Only you can tell how much
space you really need, but Seagate is doing everything they can to
give you as much space as you want.

One of Seagates most recent 2.5" hard drives is
The Momentus Laptop 7200RPM Hard Drive. The key technology at the
heart of this drive is the utilzation of 4K sector sizes. While the
transition to a 4,096 byte sector is not new, its deployment is
becoming more routine as most modern operating system have all of
the tools built-in to ensure allingment issues are null and void. So
while most of the community has embraced Winodws 7 and the newer
flavors of Mac OS X and Linux, some folks who refuse to lay down
their latency operating systems (Windows XP) may run into
performance issues. Network appliances such as media servers and
other network attached storage devices can usually have their
allignment issues resolved by a firmware update. As always, check
with your manufacturers hardware compatibility list before
integrating any new hardware.
Key Features and Benefits
- Built-in-self-monitoring technology
continuously chechs for data safety and drive performance
- Whisper-quiet and cool operation
- Five-year warranty
- Seagate SmartAlign™ technology provides a
transition to 4K sectors without the need for software
utilities.
- Seagate Self-Encrypting Drives deliver
government-grade encryption without performance
degradation—protecting your data where it lives. The FIPS 140-2*
options are NIST government-certified for both U.S. and Canadian
usage with sensitive data.**
- Seagate G-Force Protection™ technology can
detect when your laptop is in a free-fall, swing the drive heads
to a safe zone and keep the data safe.
- 7200-RPM and 5400-RPM speeds for customized
performance, and 8MB and 16MB cache size to enhance your
application performance
- 750, 640, 500, 320, 250 and 160GB models for
5400-RPM drives for high-capacity to entry-level and mainstream
systems
- 750, 500, 320, 250 and 160GB models for
7200-RPM drives for high-capacity and high-performance systems
*See FIPS 140-2 Level 2 Certificate
**Not available in all countries.
Requires TCG-compliant host or controller support. TM: The FIPS logo
is a certification mark of NIST, which does not imply product
endorsement by NIST, the U.S., or Canadian governments.
Best-Fit Applications
- High-performance laptops, workstations,
gamer systems
- Mainstream laptops, netbooks and external
storage enclosures
- Military and government laptops for
sensitive data
- Corporate and commercial laptops
- Consumer solutions where robustness is a
necessity
- Entry-level laptops and netbooks systems
Momentus 750GB Specifications
| Specifications |
| Model Number |
ST9750420AS |
| Interface |
SATA 3Gb/s |
| Cache |
16MB |
| Capacity |
750GB |
| Areal density (avg) |
541 Gbits/inch2 |
| Guaranteed Sectors |
1,465,149,168 |
| Physical |
| Height (max) |
9.5 mm (0.370 inches) |
| Width (max) |
69.85 mm (2.750 inches) |
| Length (max) |
100.35 mm (3.951 inches) |
| Weight (typical) |
115g (0.254 lbs) |
| Performance |
| Spindle Speed |
7200 rpm |
| Average latency |
4.2ms |
| Random read seek time |
11.0ms |
| Random write seek time |
13.0ms |
| I/O data transfer rate |
300MB/s |
| Unrecoverable read errors |
1 in 1014 |
| Reliability |
| Annual Failure Rate |
0.5% |
| Power |
| 5V start max current |
1.0A |
| Average idle power |
0.96W |
| Average seek power |
2.5W |
Environment
Ambient Temperature |
| Operating |
0º-60ºC |
| Nonoperating |
-40º-70ºC |
| Maximum operating temperature change |
20ºC per hour |
| Maximum nonoperating temperature change |
35ºC per hour |
| Shock |
| Operating Shock (max) |
350 Gs for 2ms |
| Nonoperating Shock (max) |
1000 Gs for 1ms |
| Acoustics |
| Acoustics (Idle Volume) |
2.3 bels |
| Acoustics (Seek Volume) |
2.5 bels |
| Features |
| Storage Type |
HDD |
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