Feeds

Toshiba: Our 2.5-incher does the same job as a 3.5-incher

A case of trying hard to put a better spin on it - in a good way

Build a business case: developing custom apps

Toshiba sees life in fast 2.5-inch drives yet, and has followed close on HGST's heels by announcing a 600GB model spinning at 15,000rpm.

There are also 300GB and 450GB capacity points in this 24 x7 operation enterprise drive product set.

The two drives are pretty similar. Toshiba's AL13SXB has a 15mm z-height, meaning we believe, 3 x 200GB platters with a 341Gbit/in2 areal density or higher. It has a 6Gbit/s SAS interface and features 512n and 4K sector lengths with 512e emulation. The drive streams out sequential data at up to 228MiB/s, or 243MiB/s for the long sector models. There is an AL13SXQ self-encrypting version.

The HGST Ultrastar C15K600 has a faster 12Gbit/s interface and a 128MB cache compared to the 64MiB of the Toshiba drive. It also has a quoted 528Gbit/in2 areal density.

Both drives have a 2 million hour MTBF (HGST) or MTTF (Toshiba). Like HGST, Toshiba has doubled the capacity of a previous enterprise drive; in its case the MK01GRRB/R product.

In its announcement material Toshiba makes the point that its new 15K rpm 2.5-incher equals the capacity of a 15K 3.5-inch drive in a smaller form factor needing less power and enabling more spindles to be crammed into a rack enclosure. Again, like HGST, Toshiba is seeing a withdrawal from the market of 3.5-inch enterprise drives and their replacement by, both say, 2.5-inch drives or, as we all know, solid state drives which are more expensive per GB but much faster responding, especially for random data.

Toshiba says 15K hard disk drives are and will remain the mainstay of enterprise mission-critical storage operations to which thought we add "for a while yet." ®

Boost IT visibility and business value

More from The Register

next story
The Return of BSOD: Does ANYONE trust Microsoft patches?
Sysadmins, you're either fighting fires or seen as incompetents now
Microsoft: Azure isn't ready for biz-critical apps … yet
Microsoft will move its own IT to the cloud to avoid $200m server bill
Shoot-em-up: Sony Online Entertainment hit by 'large scale DDoS attack'
Games disrupted as firm struggles to control network
Cutting cancer rates: Data, models and a happy ending?
How surgery might be making cancer prognoses worse
Silicon Valley jolted by magnitude 6.1 quake – its biggest in 25 years
Did the earth move for you at VMworld – oh, OK. It just did. A lot
VMware's high-wire balancing act: EVO might drag us ALL down
Get it right, EMC, or there'll be STORAGE CIVIL WAR. Mark my words
Forrester says it's time to give up on physical storage arrays
The physical/virtual storage tipping point may just have arrived
prev story

Whitepapers

Implementing global e-invoicing with guaranteed legal certainty
Explaining the role local tax compliance plays in successful supply chain management and e-business and how leading global brands are addressing this.
Endpoint data privacy in the cloud is easier than you think
Innovations in encryption and storage resolve issues of data privacy and key requirements for companies to look for in a solution.
Scale data protection with your virtual environment
To scale at the rate of virtualization growth, data protection solutions need to adopt new capabilities and simplify current features.
Boost IT visibility and business value
How building a great service catalog relieves pressure points and demonstrates the value of IT service management.
High Performance for All
While HPC is not new, it has traditionally been seen as a specialist area – is it now geared up to meet more mainstream requirements?