Toshiba has introduced a brand new household of three.5" exhausting drives for house and SOHO NAS units. The brand new MN-series HDDs have as much as eight TB of capability and help among the options present in Toshiba’s enterprise-class exhausting drives. The efficiency of the brand new HDDs is analogous to the efficiency of high-end exhausting drives from different makers, all on account of elevated areal density.

The Toshiba MN-series household contains four TB, 6 TB and eight TB fashions with a SATA 6 Gb/s interface (be aware that the higher-end mannequin helps the SATA three.three, whereas the others are compliant with the SATA three.1). The HDDs function 7200 RPM spindle pace, are outfitted with 128 MB buffers, and use rotational vibration (RV) sensors that detect and compensate for transient vibrations in multi-bay NAS and server environments – this goals to make sure that the drives ship constant efficiency. Talking of efficiency, Toshiba declares as much as 230 MB/s sustained information switch fee in addition to four.17 ms common latency time for the top-of-the-line eight TB mannequin.

The brand new drives are primarily based on a number of PMR platters (perpendicular magnetic recording) however aren’t stuffed with helium. (Helium can be utilized to extend the variety of disks per drive past six). The Toshiba MN05ACA800 due to this fact makes use of six 1.33 TB platters, and the opposite drives use both fewer platters or ones with a decrease capability (in addition to decrease areal density).

Toshiba MN-Sequence HDDs
 MN05ACA800MN05ACA600MN04ACA400
Capabilityeight TB6 TBfour TB
RPM7200 RPM
InterfaceSATA three.three 6 GbpsSATA three.1 6 Gbps
DRAM Cache128 MB
Knowledge Switch Velocity
(Sustained)
230 MB/s205 to 230 MB/s195 to 205 MB/s
MTBF1 million hours
Rated Workload (Drive Writes Per Day)zero.061zero.082zero.123
180 TB/yr
Acoustics (Search)33 dB30 dB
Energy Working9.2 W10.1 W9.6 W
Lively Idle6.2 W6.7 W5.2 W
Guaranteeunknown
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The MN-series HDDs from Toshiba are rated for 24/7 availability, with 1 million hours MTBF in addition to a 180 TB/yr workload ranking. Whereas the MTBF and the annual workload rankings are significantly decrease when in comparison with enterprise-class exhausting drives, the MN-series nonetheless supply increased endurance in comparison with common desktop HDDs.  

The Toshiba MN-series HDDs might be accessible within the coming weeks and months, however the producer has not printed its beneficial costs simply but.

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