En gammeldags harddisk er billig og kommer med masser af kapacitet, hvor SSD koster en del mere, men til gengæld også er langt hurtigere. Disse to kan kombineres i en hybrid disk eller SSHD, her i form af en Seagate Momentus XT 500GB SSHD.
There are still a good chunk of users that haven't fully given themselves over to the solid state evolution. Hybrid drives, a mesh of traditional spinning platter drive and solid state components, may be a little more appealing to some as they bring large capacities with some of the performance perks of an SSD. Large capacity solid state drives are still cost prohibitive for most so hybrids are also a viable, lower cost alternative. Until now, if your device (think Ultrabooks) could only fit 7mm height drives, you could only choose from a spinning platter drive or an SSD. Seagate's third generation hybrid drive, what they term an SSHD, has not only slimmed down from 9.5mm height to 7mm height but also bumped performance and dropped the unit cost.
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