Skip to main content

Perpendicular Hard Drives

Hitachi's Travelstar 5K160 5400 rpm 2.5" hard drive with a capacity of 160 GB.

Hitachi’s Travelstar 5K160 5400 rpm 2.5" hard drive with a capacity of 160 GB.

Comparison between traditional longitudinal and newer perpendicular recording technology. Perpendicual recording typically will provide more capacity, more reliability and in most cases also more data read/write performance.

Comparison between traditional longitudinal and newer perpendicular recording technology. Perpendicual recording typically will provide more capacity, more reliability and in most cases also more data read/write performance.

Hitachi has published a simple, fun animation to explain the very basics of perpendicular recording and why the technology will offer much more data capacity than longitudinal recording. The animation can be viewed here.

Hitachi has published a simple, fun animation to explain the very basics of perpendicular recording and why the technology will offer much more data capacity than longitudinal recording. The animation can be viewed here.

Western Digital's 2.5" SATA Scorpio drive has a capacity of 160 GB.

Western Digital’s 2.5" SATA Scorpio drive has a capacity of 160 GB.

Seagate currently has the most aggressive roadmap to transition its product line to perpendicular recording technology. This is the 2.5" Momentus 5400.3 drive with a capacity of 160 GB. The drive began shipping in January 2006.

Seagate currently has the most aggressive roadmap to transition its product line to perpendicular recording technology. This is the 2.5" Momentus 5400.3 drive with a capacity of 160 GB. The drive began shipping in January 2006.

Seagate also offers the only perpendicular 3.5" hard drive on the market. The 10th generation Barracude drive (7200.10) was announced on April 26.

Seagate also offers the only perpendicular 3.5" hard drive on the market. The 10th generation Barracude drive (7200.10) was announced on April 26.

3D illustration from Seagate on perpendicular recording.

3D illustration from Seagate on perpendicular recording.

Hitachi's 0.85" drive (center) is promised to offer a capacity of up to 10 GB sometime later this year. Seagate also announced a 0.85" drive with capacities of up toe 12 GB.

Hitachi’s 0.85" drive (center) is promised to offer a capacity of up to 10 GB sometime later this year. Seagate also announced a 0.85" drive with capacities of up toe 12 GB.

The Toshiba MK 1.8" perpendicular drive. This hard drive was the first perpendicular hard drive on the market and began shipping in August of 2005 as a 40 GB drive. Pictures is the 80 GB model MK8007 GAH, which has been reviewed by Tom's Hardware.

The Toshiba MK 1.8" perpendicular drive. This hard drive was the first perpendicular hard drive on the market and began shipping in August of 2005 as a 40 GB drive. Pictures is the 80 GB model MK8007 GAH, which has been reviewed by Tom’s Hardware.

Toshiba's MK2035GSS 2.5" drive with a capacity of 200 GB.

Toshiba’s MK2035GSS 2.5" drive with a capacity of 200 GB.

Toshiba's MK8007 GAH as it is sold in retail stores.

Toshiba’s MK8007 GAH as it is sold in retail stores.