Hitachi Deskstar 5K3000 2TB 5940RPM Hard Drive

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Hitachi Deskstar 5K3000 2TB 5940RPM Hard Drive

August 22, 2011 by Lawrence Lee

Product
Hitachi Deskstar 5K3000 HDS5C3020ALA632
2TB 3.5" HDD
Sample Supplier
Street Price
US$75

Since their inception, "green" hard drives have been maligned for reduced performance due to their low rotational speeds. While obviously not as fast as standard 7200 RPM models, lowering the spindle speed was/is the most effective way to cut cost, power consumption, and noise. The loss in performance is simply a necessary evil, without which we would not be able to affordably store the high definition video, lossless audio, and other abundant digital luxuries. Balancing the aforementioned qualities with speed is the difficult part.

We've reviewed Western Digital, Samsung, and Seagate candidates, and now it is Hitachi's turn to show us what a low power, low noise, hard drive should be. The Hitachi Deskstar 5K3000 series comes in three sizes, 1.5TB, 2TB, and 3TB, each with a 512 byte sector size (not Advanced Format so there no XP compatibility issues), 32MB of cache, and "CoolSpin" technology, which is their code for a lower than 7200 RPM rotational speed. The spindle speed is not specified on Hitachi's website, but it is listed as an odd 5940 RPM in the support documents. Labeling a drive as anything less than 7200 RPM continues to carry a stigma. The 5K3000 2TB is a three-platter drive like most of the current competition.


The Deskstar 5K3000 2TB.


The underside.

The drive itself is unremarkable in appearance. It's difficult to differentiate the 5K3000 from previous Hitachi drives without the affixed label. As usual, the underside casing is minimal with less structural support for the area around the motor than Samsung and Western Digital models. Our sample weighed 630 grams, the same as the Seagate Barracuda Green 2TB which is also a three-platter model with a similar spindle speed of 5900 RPM.

Hitachi Deskstar 5K3000: Specifications
(from product overview)
Model(s) HDS5C3030ALA630
HDS5C3020ALA632
HDS5C3015ALA632
Capacity (GB) 3TB/2TB/1.5TB
Sector size (variable, Bytes/sector) 512
Performance
Data buffer (MB) 32
Rotational Speed CoolSpin
Media transfer rate (Mbits/sec, max) 1366
Interface transfer rate (MB/sec, max) 600
Acoustics
Idle (Bels) 3TB: 2.5
<3TB: 2.4
Power
Requirement: Start-up (W, peak, max) 1.2 (+5V) & 2.0 (+12V)
Performance Idle 3TB: 4.8
<3TB: 4.4
Physical size
Z-height (mm) 26.1
Dimensions (width x depth, mm) 101.6 (+/-0.25) x 147
Weight (g, max) 3TB: 690
<3TB: 680


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