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Toshiba SSHD Review (MQ01ABDH) Discussion

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The Toshiba MQ01ABDH is a SSHD that ranges up to 1TB in capacity, features performance assisted by 32MB of DRAM as a buffer and 8GB of Toshiba's own NAND flash, and comes in a slim 7mm (MQ01ADFH) or standard 9.5mm (MQ01ABDH) form factor. As with almost all other HDDs hitting the market these days, the MQ01ABDH spins at 5,400RPM, which helps to reduce power consumption which matches the intended applications. Since the Toshiba SSHDs (which is how they'll be referenced in this review) are shipping in both the slim and standard form factors, the drives are primarily designed for thin and light notebooks where users want to leverage the transfer rates of SSDs without making the sacrifice of surrendering several hundred gigabytes of storage.

Toshiba SSHD Review (MQ01ABDH)

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The Toshiba MQ01ABDH is a SSHD that ranges up to 1TB in capacity, features performance assisted by 32MB of DRAM as a buffer and 8GB of Toshiba's own NAND flash, and comes in a slim 7mm (MQ01ADFH) or standard 9.5mm (MQ01ABDH) form factor. As with almost all other HDDs hitting the market these days, the MQ01ABDH spins at 5,400RPM, which helps to reduce power consumption which matches the intended applications. Since the Toshiba SSHDs (which is how they'll be referenced in this review) are shipping in both the slim and standard form factors, the drives are primarily designed for thin and light notebooks where users want to leverage the transfer rates of SSDs without making the sacrifice of surrendering several hundred gigabytes of storage.

Toshiba SSHD Review (MQ01ABDH)

The IOmeter curve graphs are hardly legible. Additionally, comparing one model with frequently-used data cached against other models whereby it's (perhaps) not the case makes little sense, or give a wrong impression...

Thanks for the review anyway, good to see Seagate has competitors =)

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Very nice - at these price points there's pretty much no reason any more to equip an SSD-less notebook with a standard HDD rather than this!

MrS

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Just and FYI: The prices you quoted were nearly 1/2 the real street price for the drives. Your prices are for the older, non-hybrid versions of the drives. Example: MQ01ABD100H is over $100. The MQ01ABD100 can be found for $66 but it is a SATA-II non-Hybrid drive. I was excited about the prices too but be careful when you buy. Also, I have a request: Can you compare the Toshibas and the Seagate within their cache envelopes directly?

Edited by Faster!!!

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Would be useful to have cached performance data of the Seagate drive, not just the Toshibas so we can more closely look at flash performance of Toshiba vs Seagate.

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The labels on the drives indicate that they were manufactured on 21 June 2013. However, the YYWW (Year / Week) date codes for the chips on the PCB are 1306, 1313, and 1308. This would suggest that the PCB may have been in stock for 3 months before the drive was assembled. In general I find that other HDD manufacturers adopt a "just-in-time" philosophy when manufacturing their drives, so I'm wondering whether these models are slow moving items.

Edited by fzabkar

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Would be useful to have cached performance data of the Seagate drive, not just the Toshibas so we can more closely look at flash performance of Toshiba vs Seagate.

The real world traces are the best indication of the cache being in effect.

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OK. Does the Toshiba do write caching on the NAND flash? Doesn't look like it.

Wonder if the WD hybrid drive with 16GB of flash differs. Thanks

Edited by danwat1234

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They say they do, but it's much harder than I think most people realize to implement that effectively. Not sure on the WD, since they're OEM only we haven't been able to wiggle loose a review drive yet.

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