The lowest-priced item that has been used or worn previously. Power draw also drops dramatically, down to notebook drive levels. Windows Power Management only allows a single idle time-out to be set for all drives in the system. Show less Show more. A multiple-layer filter sifts through collected data, silently omitting questionable results or results from questionable participants. AAM has virtually no effect on the seek noise, although there is a touch of rumble when it is not enabled. Hitachi specs seek times at 8.

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Skip to main content. Visit the western digital blog. Two forms of hard drive noise are measured: SR presents results to readers through a percentile ranking system. Low-Level Results For diagnostic purposes only, StorageReview measures the following low-level parameters: Vibration noise is rated on a scale of by comparing against our standard reference drives.

Measurements are taken at a 7k20 of one meter above the top of the drive using an A-weighted filter. How did the hitachj 10GB come about?

General Hard Drive Use: The difference in volume is at least partially caused by the higher number of platters in the Deskstar.

Seek noise is average; it is not especially bad, nor is it particularly good. Here’s the detailed technical specifications: Ambient noise at the time of testing was 18 dBA. Both 2- hitacni 8-megabyte buffer sizes are available in the PATA lineup- the smallest drives come only with 2 MB, the flagship with 8 MB, while other sizes available in both.


A multiple-layer filter sifts through collected data, silently omitting questionable results or results from questionable participants. Colocation Server Hosting by Binary Environments. Be the first to write a review. Low RPM 7k50 lowers the spindle speed.

Thanks to sturdy construction, this Hitachi 40 GB hard drive is highly dependable, which means you are able to enjoy years of maintenance-free uptime without fearing loss of disk crashes or data errors. Multi-User Performance StorageReview uses the following tests to assess server performance: Windows XP’s boot procedure involves significantly different access patterns and queue depths than those found in other disk accesses.

At the rear end, you’ll find the SATA data and power connectors along with a legacy 4-pin power adapter.

Hitachi DeskStar 7K250: A New King of Performance?

Service Time Graphs in milliseconds. Acoustically, they are similar enough that a choice between these drives ultimately comes down to price and performance rather than noise.

It’s roughly the same volume as the head reset noise. In stock form, the noise level of the Deskstar 7K is about average. K7250 more information click here.


DafixXpand HITACHI 7K250 – hard drive – 40 GB – ATA-100

The figures provided are net temperatures representing the difference between the measured drive temperature and ambient temperature.

Because the feature is enabled on the drive itself, it is possible to spin down only the Deskstar without affecting other 72k50 in the system.

Our two samples were tested according to our standard hard drive testing methodology. Its idle noise is quite similar to the DiamondMax 10, and while its vibration is not as bad as the Maxtor, it’s still far from stellar.

Maxtor Diamondmax 10/ & Hitachi 7K Hard Drives |

It’s at roughly the same level as a Nidec motor Spinpoint, which leaves room for improvement. Hitachi has easily managed to impress. According to filtered and analyzed data collected from participating StorageReview. Personally, I think the closest comparison is the sound a camcorder makes when loading a tape.

Airborne acoustics are measured using a professional caliber SLM with absolute sensitivity below 0 dB. The ambient noise during most recordings is 18 dBA or lower.