Toshiba MQ01ABD100H 1000GB & MQ01ABF050H 500GB Solid State Hybrid Drives Review
Review: Toshiba MQ01ABD100H & MQ01ABF050H Solid State Hybrid Drives
Welcome to Myce’s review of the Toshiba MQ01ABD100H 1000GB Solid State Hybrid Drive (‘SSHD’) and the very latest generation, MQ01ABF050H 500GB SSHD, both of which have only recently become available for review by European Reviewers.
At the heart of the SSHD value proposition is the idea of marrying the low cost per Gigabyte of a traditional rotating magnetic disk (HDD) with the speed of NAND Flash Memory to deliver an SSD type user experience. The key to success is a caching algorithm that intelligently places a specific user’s most frequently accessed data in NAND memory so that a higher proportion of data access is performed at SSD like speeds.
Both SSHDs have 8Gb of 32nm SLC NAND memory. So the opportunity for storing data on NAND is limited, and the algorithm is going to have to be very clever in the way it learns about a specific user’s most frequently accessed data.
The other opportunity for an SSHD is to write to the NAND and defer the writing of data to the magnetic disk, thereby improving the user experience in writing as well as reading data.
Market Positioning and Specification
This is how Toshiba positions the MQ01ABDxxxH Hybrid drives -
Toshiba’s first generation of 2.5-inch (6.4 cm) hybrid drives provide fast SSD-like performance combined with the high capacity of a hard disk drive (HDD). The new MQ01ABDxxxH series is available in 1TB and 750GB capacity points. This combined with 8GB of NAND flash make it ideal for high performance gaming notebooks and PCs. Its lightweight design makes it ideal for ultra-portable computing devices.
Toshiba’s hybrid drives utilize self-learning algorithms that enable the drive to identify the user’s access patterns, allowing frequently used data to be stored in the NAND cache making it quickly accessible to the host. Likewise, data that is used less often is moved from the NAND flash to the HDD for long term storage. This self-learning mechanism continues to develop throughout the lifespan of the drive, constantly improving the drive’s performance.
Toshiba is the only storage vendor that designs and develops both HDD and NAND flash technology, the core components of hybrid drive technology ensuring the highest quality and innovation.
Here is the specification for the MQ01ABDxxxH series of drives, which is available in 750GB and 1,000GB capacities -
and here is the specification for the MQ01ABFxxxH series, which is available in 320GB and 500GB capacities –
You can see that the specifications are nigh on identical. The big difference is that the MQ01ABFxxxH series is a very slim 7mm thick, which is suitable for deployment in the latest slimline laptops/ultrabooks.
Here are some pictures of the SSHDs that I tested –
The MQ01ABD100H 1,000GB SSHD is to the left and the MQ01ABF050H 500GB SSHD is to the right.
Here are pictures of all the drives tested in this review. On the far right you can see how slim the MQ01ABF050H is.
For interest here is a picture of the two hybrid drives together with a classic Toshiba MK5076GSX magnetic spinning drive (to the left). You can see the all the drives are very similar to look at and there is little or nothing to give away the true nature of the hybrid drives.
Now let’s head to the next page, to look at the Testing Approach…..
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