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| Seagate 750GB Barracuda ES Serial ATA Hard Drive |
The result of their efforts, the Barracuda ES enterprise hard drive, offers not only a much higher capacity but also lower cost than other enterprise-grade hard drives. In other words, the Barracuda ES melds the advantages of desktop hard drives with the reliability of enterprise-grade hard drives. Like all new desktop hard drives from Seagate, the Barracuda ES makes use of Perpendicular Recording technology to achieve its remarkable capacity. The use of perpendicular recording also gave the drive a much greater areal density, which has the benefit of a higher platter-to-buffer transfer rate. In fact, that's just what we saw in our test results - significantly higher transfer rates than the Barracuda 7200.9 hard drive. However, performance or even capacity is not the criteria for selecting the Barracuda ES. The Barracuda ES is virtually the enterprise twin of the Barracuda 7200.10 desktop hard drive. Both drives offer the same capacity and virtually the same performance. The only difference between the two is the higher rotational vibration tolerance and reliability, and of course a higher price tag in the Barracuda ES. If you are a desktop user looking for fast drive with a really large capacity, then the Barracuda 7200.10 would be something more up your alley. The Barracuda ES is really for those who are looking for a more cost-effective storage solution for their servers. It not only offers the greater reliability required for 24x7 operations, it also offers much greater storage capacity and lower cost than competing enterprise hard drives. Incidentally, like the other Barracuda hard drives, the Barracuda ES also offers a magnificent 5-year limited warranty. While this does not guarantee that this hard drive won't quit on you in the next five years, it does show the amount of confidence Seagate has in the reliability of this model. For more details, read our Comprehensive Review! |
| MSRP |
• NA |
| Lowest PriceGrabber Price |
|
| Review |
|
| Model |
• ST3750640NS |
| Formatted Capacity |
• 750 GB |
| Guaranteed Sectors |
• 1,465,149,168 |
Bytes Per Sector |
• 512 bytes |
Sectors Per Track |
• NA |
| Cylinders |
• NA |
| Read/Write Heads |
• NA |
| Recording Method |
• NA |
| Interleave |
• 1 : 1 |
| Spindle Speed |
• 7,200 RPM |
| Cache Buffer |
• 16 MB SDRAM |
| Average Latency |
• 4.16 msec. |
Maximum Data Transfer Rate |
• 128.75 MB/s (internal) |
| Maximum I/O Transfer Rate |
• 300
MB/s (Serial ATA) |
Average Seek |
• 8.5 ms (Read) |
| Track-to-Track Seek |
• 0.8 ms (Read) |
| Average Latency |
• 4.16 msec. |
| Interface |
• Serial ATA 3Gb/s |
| Supported SATA Data Transfer Mode |
• 3 Gbits/s |
| SATA II Hotplug Capability |
• Yes |
| Maximum Size |
• 26.11 mm (1.028 inches) high |
| Maximum Weight |
• 720 g |
| Power Requirements |
• +12V DC |
| Operating Power |
• 13.0 W (typical) |
| Ambient Temperature |
• 5 °C to 55 °C
(Operating) |
| Maximum Shock |
• 68 G @ 2 ms (Operating) |
| Drive Acoustics |
• 3.2 bels (Seek) |
Contact Start-Stop Cycles |
• 50,000 Cycles |
| Annualized Failure Rate |
• 0.73 % |
| Non-Recoverable Read Errors |
• 1 error per 1014 bits read |
| Warranty |
• 5 Years Limited Warranty |
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