Seagate U7 ST3120020A, Product Manual

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24 U7 Product Manual, Rev. D
3.3 Drive mounting
You can mount the drive in any orientation using four screws in the side-
mounting holes or four screws in the bottom-mounting holes. See Figure 5 for
drive mounting dimensions. Follow these important mounting precautions
when mounting the drive:
• Allow a minimum clearance of 0.030 inches (0.76 mm) around the entire
perimeter of the drive for cooling.
• Use only 6-32 UNC mounting screws.
• Use only .045” +/- .005 high by .050” diameter bosses (4x) for bottom mounting
applications to prevent deformation of the SeaShield.
• Do not overtighten the mounting screws (maximum torque: 6 inch-lb).
• Do not use a drive interface cable that is more than 18 inches long.
Figure 5. Mounting dimensions—top, side and end view
Notes:
1. Dimensions are shown in inches (mm).
2 Dimensions per SFF-8301 specification.
3 Dimension measured from bottom of SeaShield.
3 x 6-32 UNC-2B
.225 (5.71) max. fastener
penetration both sides. 3 threads
minimum engagement.
Recommended
case temperature
measurement location
0.125 0.01
(3.18 0.25)
3.75 0.01
(95.25 0.25)
4.0 0.01
(101.60 0.25)
Recommended
case temperature
measurement location
4 x 6-32 UNC-2B
.250 (6.35) max. fastener
penetration. 3 threads
minimum engagement.
1.75 0.01
(44.45 0.25)
1.625 0.02
(41.28 0.51)
4.0 0.01
(101.60 0.25)
5.787 max
(146.99)
1.638 0.01
(41.61 0.25)
1.122 0.02
(28.5 0.51)
3 x 0.25 0.015
(6.35 0.037)
both sides
1.028 max
(26.11)
0.218
(5.54)
0.168
(4.27)
2.23
(56.56)
2.83
(71.80)
3.71
(94.35)
3
3
2
3
3