Seagate SSHD Hybrid making waves in the Storage Australia

Seagate SSHD Hybrid making waves in the Storage australia Stakes

What do the McLaren P1, the Porsche 918, and the Ferrari LaFerrari all have in common? They're limited-edition supercars with price tags well out of reach for mere mortals. Also, they're all hybrids. Even in the world of high-end exotics, internal combustion engines are being paired with electric motors.
Right now, hybrids seem likely to be the next evolutionary step for automobiles. Their electric motors are both efficient and environmentally friendly, while their fuel-based engines provide the road-trip range people have come to expect. There's a similar parallel in the PC storage industry.
Modern SSDs are much faster than traditional hard drives, but even with Moore's Law chipping away at NAND prices, they remain relatively expensive if you want loads of storage. SSDs in the 240-256GB range typically cost around $200, and they still don't give you a lot of space, especially if your media library is going to share the drive with your OS, applications, games, and other data.

While mechanical hard drives can't keep up with the performance of SSDs, their spinning platters can store a lot more data per dollar. Marrying the two in a hybrid configuration is a no-brainer, and it's incredibly easy to do in desktop systems that can accept multiple drives. Notebooks, however, are a whole other animal. Some laptops permit mechanical drives to ride shotgun alongside mini mSATA SSDs, but most are limited to a single drive.

Since mid-2010, Seagate's solution for single-drive notebooks has been the Momentus XT, a hybrid that combines flash memory and mechanical platters in one 2.5" chassis. The original model and its second-generation successor have had some appeal, but they've been hampered by read-only flash caches that ignore incoming writes from the host. That limitation has been lifted in Seagate's latest hybrids, which can cache both read and write requests.
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