A 4.7GB removable hard disk from SyQuest that was geared for DVD mastering and general storage. Using magnetoresistive (MR) heads, it was the fastest, highest-capacity, removable disk on the market when introduced in 1998. However, before it could gain any momentum, SyQuest went into Chapter 11. See SyQuest
and magnetic disk
For a brief moment in time, the Quest disk was the fastest, highest-capacity removable disk on the market. With Iomega's acquisition of SyQuest's assets, the Quest disk may yet survive.