Barracuda 18XL Product Manual, Rev. A 31
6.5 Mechanical specifications
The following nominal dimensions are for information only. Refer to Figures 6a and 6b for detailed (toleranced)
mounting configuration dimensions. See Section 8.4, “Drive mounting.”
Figure 6a. Mounting configuration dimensions for “W,” “LW,” and “LWV” model
Height: 1.000 in 25.4 mm
Width: 4.000 in 101.6 mm
Depth: 5.75 in 146.05 mm
Weight: 1.5 pounds 0.68 kilograms
Mounting holes three on each side, 6-32 UNC. Max
screw length into side of drive 0.15 in. (3.81 mm). Screw tightening
torque 6.0 in-lb (.675 NM) max with minimum thread engagement of
0.12 in. (3.05 mm). Mounting holes four on bottom, 6-32 UNC.
Max screw length into bottom of drive 0.15 in. (3.81 mm). Screw
tightening torque 6.0 in-lb (.675 NM) max with minimum thread
engagement of 0.12 in. (3.05 mm).
Power and interface connectors can extend past the “B” dimension
by 0.040 in. (1.02 mm).
Centerline of pad for Pin 1 of power connector.
Centerline of pad for Pin 1 of J6.
Dimension “N” is from drive mounting hole to end of drive chasis
(not the PCBA).
Nominal values. These cannot be added to any toleranced
dimension to achieve a valid toleranced dimension.
Maximum connector non-perpendicularity to side planes pointed to
by X.
Maximum amount of non-parallelism with plane -Z-.
Notes:
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
J
L
B
[2]
A
S
K
[1]
D
F
J2
J6 LED
N [5]
[1]
[3] M
R
P [4]
E
C
T
Inches
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
S
T
U
V
26.14
146.69
101.60
95.25
3.18
44.45
41.28
28.50
101.60
6.35
41.60
3.63
59.69
10.29
52.53
8.00
7.06
0.38
0.38
1.029
5.775
4.00
3.750
.125
1.750
1.625
1.122
4.000
.250
1.638
.143
2.350
.405
2.265
.315
.278
.015
.015
max
max
± .015
± .010
± .010
± .010
± .020
± .020
± .010
± .010
± .010
± .020
[6]
[6]
± .010
± .010
max
max
max
max
± .25
± .25
± .25
± .25
± .50
± .50
± .25
± .25
± .25
± .50
[6]
[6]
± .25
± .25
max
max
Dimension Table
Millimeters
G
H
[7]
-X-U
-X-
-Z-
[8]
-Z-V//
M
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