TOKYO, Japan (Reuters) -- Japan's Hitachi Ltd. on Wednesday unveiled the world's first hard disk drive/DVD recorder that can store one terabyte of data, or enough to record about 128 hours of high-definition digital broadcasting.

Hitachi, Japan's largest electronics conglomerate, is still a relatively small player in the DVD recorder market, trailing industry leaders Matsushita Industrial Co. Ltd., Sony Corp. and Toshiba Corp.

But it hopes its new line-up, which also includes models able to store 160 gigabytes, 250 gigabytes and 500 gigabytes of data, will help boost its market share and turn its loss-making DVD recorder business profitable in October-March, the second half of the business year.

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