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Seagate 750GB Barracuda 7200.10 Hard Drive Review
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Seagate 750GB Barracuda 7200.10 Serial ATA Hard Drive

Seagate has always been at the forefront of pushing the capacity of their desktop drives. With the release of the Barracuda 7200.10 hard drive, they were the first to achieve the remarkable single-drive capacity of 750GB.

Of course, Hitachi has recently upped the ante by beating Seagate to the 1 TB (terabyte) line. Still, it's a matter of time before Seagate releases their own TB capacity hard drive. We will be eagerly awaiting the opportunity to test one when it is released. In the meantime, we still have 750GB of storage goodness in the Barracuda 7200.10!

The Barracuda 7200.10 is not the first Seagate desktop drive to support the new SATA 3Gb/s transfer protocol. Neither is it the first Seagate desktop drive to support NCQ (Native Command Queuing). But it is the first 3.5" drive from Seagate to feature the new Perpendicular Recording technology which we first saw in the Seagate Momentus 5400.3 hard drive.

Thanks to Perpendicular Recording, this drive features a much greater areal density, giving it not only more storage space but also 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.

If you are looking for the largest-capacity desktop hard drive from Seagate, well, the Seagate Barracuda 7200.10 is your man for the job. It not only comes with a high capacity of 750GB, it also has much better performance than its predecessors even though they are all running at the same spindle speed.

You will also be glad to know that it comes with 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!


• NA

Lowest PriceGrabber Price


Comprehensive Review


• ST3750640A (Ultra-ATA)
• ST3750640AS (Serial ATA)

Formatted Capacity

• 750 GB

Guaranteed Sectors

• NA

Bytes Per Sector

• 512 bytes

Sectors Per Track




Read/Write Heads


Recording Method

• NA


• 1 : 1

Spindle Speed

• 7,200 RPM

Cache Buffer


Average Latency

• 4.16 msec.

Maximum Internal Data Transfer Rate

78 MB/s

Maximum I/O Transfer Rate

300 MB/s (Serial ATA)
100 MB/s (Ultra-ATA)

Average Seek

• NA

Average Latency

• 4.16 msec.


• Serial ATA 3Gb/s
• Serial ATA 1.5Gb/s
• Ultra-ATA/100

Supported SATA Data Transfer Mode

• 300 Gbits/s
• 150 Gbits/s

SATA II Hotplug Capability

• Yes

Maximum Height

• 26.1 mm
• 1.028 inches

Maximum Width

• 101.6 mm
• 4.000 inches

Maximum Length

• 146.99 mm
• 5.787 inches

Maximum Weight

• 720 g
• 1.59 lb

Power Requirements

• +12V DC
• 2.8 A Max.

Voltage Tolerance
(Including Noise)

• 12V ± 10 %

Seek Power (Typical)

• 12.6 W

Operating Power (Typical)

• 13.0 W

Idle Mode (Typical)

• 9.3 W

Ambient Temperature

• 0 °C to 60 °C (Operating)
• -40 °C to 70 °C (Non-Operating)

Maximum Operating Shock
(@ 2 msec.)

• 68 G

Maximum Non-Operating Shock
(@ 1 msec.)

• 300 G

Idle Drive Acoustics

• 2.7 bels (Typical)

Seek Drive Acoustics

• 3.0 bels (Typical)

Contact Start-Stop Cycles

• 50,000 Cycles

Non-Recoverable Read Errors

• 1 error per 1014 bits read

Service Life

• 5 Years


• 5 Years Limited Warranty


Our Review System

Tech ARP is committed to developing new ways to improve your experience with us. As part of our continuous efforts to improve the value of our reviews to you, we are implementing a multi-tier review system.

This review system is designed to allow you to quickly receive information on the latest hardware or software. This new system also allows you to quickly get the gist of the review without reading through it. This can be very useful, especially in situations where you need to make a quick purchase decision.

In this new system, we start with a Product Overview whenever a company sends us a press release about their latest product. We shift through extraneous PR-talk to create a straightforward summary of the product's features as well as specifications. This allows you to quickly find out all the pertinent details about the product, without reading through official press releases.

When we receive the product for review, we will quickly take photos of it and create a Pictorial Review. The purpose of a pictorial review is to allow you, the reader, to quickly examine the product visually. It may help you make better purchase decisions, especially if you cannot wait for the full review.

After thorough testing, we will post a Comprehensive Review of the product. This adds on to the pictorial review with comprehensive test results and our final conclusion on the product.

But no matter whether you are reading a Pictorial Review or a Comprehensive Review, you can always read the summary of the review as well as examine the product's specifications right on the first page. In all our new reviews, we will maintain the first page as a Product Overview page. If the product is listed in PriceGrabber, you can also check out the lowest price online.

We hope this new review system will make your experience a lot more enjoyable and informative!


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