Seagate CHEETAH 15K.5 SCSI ST3146855LC - Manual (Page 39)

Cheetah 15K.5 SCSI Product Manual, Rev. J 33
7.4.7 Acoustics
Sound power during idle mode shall be 3.7 bels typical when measured to ISO 7779 specification. Sound
power while operating shall be 4.3 bels typical when measured to ISO 7779 specification.
There will not be any discrete tones more than 10 dB above the masking noise on typical drives when mea-
sured according to Seagate specification 30553-001. There will not be any tones more than 24 dB above the
masking noise on any drive.
7.4.8 Electromagnetic susceptibility
See Section 3.1.2.
7.5 Mechanical specifications
The following nominal dimensions are exclusive of the decorative front panel accessory. However, dimensions
of the front panel are shown in figure below. Refer to Figures 8 and 9 for detailed mounting configuration
dimensions. See Section 9.4, “Drive mounting.”
Figure 8. LW mounting configuration dimensions
Height (max): 1.028 in. 26.11 mm
Width (max): 4.010 in. 101.85 mm
Depth (max): 5.787 in. 146.99 mm
Weight (max): 1.85 pounds 0.839 kilograms
J H
L
B
S
K
[1]
F
[1]
D
E
P
Mounting holes are 6-32 UNC 2B, three
on each side and four on the bottom.
Max screw penetration into side of drive
is 0.15 in. (3.81 mm). Max screw
tightening torque is 6.0 in-lb (3.32 nm)
with minimum full thread engagement of
0.12 in. (3.05 mm).
Notes:
[1]
-X- U
-Z- T // -Z-
A
M
C
R REF
-Z-
V
-X-
Inches
A
B
C
D
E
F
H
J
K
L
M
P
R
S
T
U
V
26.10
147.00
101.60
95.25
3.18
44.45
28.50
101.60
6.35
41.60
4.60
41.28
46.13
8.00
0.38
0.38
6.73
1.028
5.787
4.000
3.750
.125
1.750
1.122
4.000
.250
1.638
.181
1.625
1.816
.315
.015
.015
.265
max
max
± .010
± .010
± .010
± .010
± .020
± .010
± .010
± .010
± .020
± .020
max
max
± .010
max
max
± .25
± .25
± .25
± .25
± .50
± .25
± .25
± .25
± .50
± .50
max
max
± .25
Dimension Table
Millimeters
REF