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takyon [soylentnews.org] writes:

Seagate has launched the world's first 5 TB 2.5" hard disk drives [anandtech.com] (HDDs). However, they won't fit in most laptops:

The new Seagate BarraCuda 2.5" drives resemble the company's Mobile HDDs [anandtech.com] introduced earlier this year and use a similar set of technologies: motors with 5400 RPM spindle speed, platters based on [shingled magnetic recording [anandtech.com] (SMR)] technology with over 1300 Gb/in² areal density, and multi-tier caching. The 3 TB, 4 TB and 5 TB BarraCuda 2.5" HDDs that come with a 15 mm z-height are designed for external storage solutions because virtually no laptop can accommodate drives of that thickness. Meanwhile, the 7 mm z-height drives (500 GB, 1 TB and 2 TB) are aimed at mainstream laptops and SFF desktops that need a lot of storage space.

Seagate has also launched a 2 TB shingled solid-state hybrid drive [anandtech.com] (SSHD) with 8 GB of NAND cache and a 128 MB DRAM cache buffer. The 1 TB and 500 GB versions also have 8 GB of NAND and 128 MB of DRAM. These are the first hybrid drives to use shingled magnetic recording.

Seagate press release [seagate.com] (for "mobile warriors" only).

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