Gb	$	$/Gb	Drives / Tb	Drive Cost / Tb	Controllers / Tb	Controller Cost / Tb	Cases / Tb	Case Cost / Tb	$ / Tb
20	$57.00	$2.85	52	$2,964.00	7	3535	4	13466.12	$19,965.12
25	$63.00	$2.52	41	$2,583.00	6	3030	3	10099.59	$15,712.59
30	$70.00	$2.33	35	$2,450.00	5	2525	3	10099.59	$15,074.59
40	$67.00	$1.68	26	$1,742.00	4	2020	2	6733.06	$10,495.06
45	$79.00	$1.76	23	$1,817.00	3	1515	2	6733.06	$10,065.06
60	$86.00	$1.43	18	$1,548.00	3	1515	2	6733.06	$9,796.06
75	$199.00	$2.65	14	$2,786.00	2	1010	1	3366.53	$7,162.53
80	$117.00	$1.46	13	$1,521.00	2	1010	1	3366.53	$5,897.53
100	$193.00	$1.93	11	$2,123.00	2	1010	1	3366.53	$6,499.53
120	$205.00	$1.71	9	$1,845.00	2	1010	1	3366.53	$6,221.53
160	$259.00	$1.62	7	$1,813.00	1	505	1	3366.53	$5,684.53