Seagate ST3400755FC, ST3300955FC Mechanical specifications, Mounting configuration dimensions

6.5Mechanical specifications

Refer to Figure 7 for detailed physical dimensions. See Section 8.4, “Drive mounting.”

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):	1.76 pounds	0.800 kilograms

B

H

L

// T -Z- S REF

[1]

R REF

N -X-

A

-Z-

M C -X-

U -X-

P

F [1]

E

D

J

K

-Z-

Notes:

[1]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).

	Dimension Table
	Inches		Millimeters
A	1.028	max	26.10	max
B	5.787	max	147.00	max
C	4.000	± .010	101.60	± .25
D	3.750	± .010	95.25	± .25
E	0.125	± .010	3.18	± .25
F	1.750	± .010	44.45	± .25
H	1.122	± .020	28.50	± .50
J	4.000	± .010	101.60	± .25
K	0.250	± .010	6.35	± .25
L	1.638	± .010	41.60	± .25
M	0.181		4.60
N	.040		1.02
P	1.625	± .020	41.28	± .50
R	1.618		41.10
S	0.276	± .040	7.00	± 1.02
T	.015	max	0.38	max
U	.015	max	0.38	max

Figure 7. Mounting configuration dimensions

Cheetah NS FC Product Manual, Rev. A 35