Exhibit 12.1

QUANTUM CORPORATION

STATEMENT OF COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

	For the year ended March 31,
(In thousands)	2009			2008			2007			2006			2005
Loss from continuing operations before income taxes	$	(359,145	)	$	(60,716	)	$	(59,156	)	$	(40,081	)	$	(12,135	)
Add fixed charges		34,389			64,337			46,545			15,789			16,907
Earnings (as defined)	$	(324,756	)	$	3,621		$	(12,611	)	$	(24,292	)	$	(4,772	)
Fixed charges:
Interest expense	$	29,261		$	58,627		$	40,748		$	9,976		$	11,212
Amortization of debt issuance costs		(i	)		(i	)		(i	)		(i	)		(i	)
Estimated interest component of rent expenses		5,128			5,710			5,797			5,813			5,695
Total fixed charges	$	34,389		$	64,337		$	46,545		$	15,789		$	16,907
Ratio of earnings to fixed charges		(ii	)		(ii	)		(ii	)		(ii	)		(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 $359.1 million, $60.7 million, $59.2 million, $40.1 million, and $12.1 million for fiscal 2009, 2008, 2007, 2006, and 2005, respectively.