Incentive Plan (Tables)

9 Months Ended

Sep. 30, 2012

Summary Of Incentive Award Plan's Stock Option

	Period ended September 30,  2012
	Shares			Weighted average exercise price
Options outstanding, beginning of period		337,760		$	24.17
Exercised		(207,550	)		20.11
Cancelled / Forfeited		(301	)		41.73
Options outstanding, end of period		129,909		$	30.62
Exercisable, end of period		129,909		$	30.62

Summary Of Stock Options Outstanding And Exercisable

Options outstanding									Options exercisable
Exercise price	Number outstanding		Weighted average remaining contractual life (years)		Weighted average exercise price		Aggregate intrinsic  value		Number exercisable		Weighted average remaining contractual life (years)		Weighted average exercise price		Aggregate intrinsic  value
$12.00-13.02		34,870		2.08	$	12.00	$	2,017,230		34,870		2.08	$	12.00	$	2,017,230
$20.37-28.09		17,000		3.14		21.28		825,720		17,000		3.14		21.28		825,720
$33.18-41.73		78,039		4.54		40.97		2,253,392		78,039		4.54		40.97		2,253,392
		129,909		3.70	$	30.62	$	5,096,342		129,909		3.70	$	30.62	$	5,096,342

Digital Realty Trust, L.P. [Member]

Summary Of Incentive Award Plan's Stock Option

	Period ended September 30,  2012
	Shares			Weighted average exercise price
Options outstanding, beginning of period		337,760		$	24.17
Exercised		(207,550	)		20.11
Cancelled / Forfeited		(301	)		41.73
Options outstanding, end of period		129,909		$	30.62
Exercisable, end of period		129,909		$	30.62

Summary Of Stock Options Outstanding And Exercisable

Options outstanding									Options exercisable
Exercise price	Number outstanding		Weighted average remaining contractual life (years)		Weighted average exercise price		Aggregate intrinsic  value		Number exercisable		Weighted average remaining contractual life (years)		Weighted average exercise price		Aggregate intrinsic  value
$12.00-13.02		34,870		2.08	$	12.00	$	2,017,230		34,870		2.08	$	12.00	$	2,017,230
$20.37-28.09		17,000		3.14		21.28		825,720		17,000		3.14		21.28		825,720
$33.18-41.73		78,039		4.54		40.97		2,253,392		78,039		4.54		40.97		2,253,392
		129,909		3.70	$	30.62	$	5,096,342		129,909		3.70	$	30.62	$	5,096,342