Exhibit 12.1

QUANTUM CORPORATION

EXHIBIT 12.1

STATEMENT OF COMPUTATION OF RATIOS
OF EARNINGS TO FIXED CHARGES

(in thousands)		For the year ended March 31,
		2006			2005			2004			2003			2002
Income (loss) from continuing operations before income taxes	$	(40,081	)	$	(12,135	)	$	(30,957	)	$	(137,173	)	$	(58,612	)
Add fixed charges		15,789			16,907			23,709			30,486			29,009
Earnings (as defined)	$	(24,292	)	$	4,772		$	(7,248	)	$	(106,687	)	$	(29,603	)
Fixed charges
Interest expense	$	9,976		$	11,212		$	17,617		$	24,419		$	22,976
Amortization of debt issuance costs		(i)			(i)			(i)			(i)			(i)
Estimated interest component of rent expenses		5,813			5,695			6,092			6,067			6,033
Total fixed charges	$	15,789		$	16,907		$	23,709		$	30,486		$	29,009
Ratio of earnings to fixed charges		Note (ii)			Note (ii)			Note (ii)			Note (ii)			Note (ii)

         (i)  In all years presented, the amortization of debt issuance costs is included in interest expense.

         (ii)  Earnings, as defined, were insufficient to cover fixed charges by $40.1 million, $12.1 million, $31.0 million, $137.2 million and $58.6 million for fiscal years 2006, 2005, 2004, 2003 and 2002, respectively.