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Founded Year



Debt - II | Dead

Total Raised


Last Raised


About Kalok

Producer of a series of 3.5-inch Winchester disk drives for the personal computer with capacities from 20- to 80MB. Kalok drives contain a very low parts count, providing higher reliability, volume manufacturability and low cost for the majority of computer storage tasks. The company's chief technical officer, Steve Kaczeus, designed the world's most widely-used hard disk drive, the Seagate ST-225, as well as Kyocera's Spartan model disk drives. Currently the company has two families of products, the Octagon I and the Octagon II. The Octagon families utilize a unique "inverted bowl" design, allowing every component to be installed robotically, in a straight line, and inspected directly, thus cutting production costs and increasing yields dramatically. Failures normally caused by optical sensors, index sensors, ground springs, breather filters, solenoids, or redundant connectors are non-existent because these components are not required in the Kalok design. Their high reliability is measured by the mean-time-between-failure (MTBF) specification of over 43,500 hours for Octagon I and over 50,000 hours for Octagon II. The company has manufacturing facilities in Korea and the Philippines, and has a manufacturing and inventory financing arrangement, valued at over $30MM, with Oriental Precision Company of Korea.

Kalok Headquarters Location

1289 Anvilwood Avenue

Sunnyvale, California, 94089,

United States


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  • When was Kalok founded?

    Kalok was founded in 1987.

  • Where is Kalok's headquarters?

    Kalok's headquarters is located at 1289 Anvilwood Avenue, Sunnyvale.

  • What is Kalok's latest funding round?

    Kalok's latest funding round is Debt - II.

  • How much did Kalok raise?

    Kalok raised a total of $32.6M.

  • Who are the investors of Kalok?

    Investors of Kalok include TVM Capital Life Science, Mitsubishi and Sunwestern.

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