Seagate ST3146755SS, ST3300555SS, ST373355SS manual Mechanical specifications, Acoustics

6.4.7Acoustics

Sound power during idle mode shall be 3.6 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.

6.4.8Electromagnetic susceptibility

See Section 2.1.1.1.

6.5Mechanical specifications

Refer to Figure 13 for detailed physical dimensions. See Section 8.3, “Drive mounting.”

Height:	1.028 in	26.11 mm
Width:	4.010 in	101.85 mm
Depth:	5.787 in	146.99 mm
Weight:	1.85 pounds	0.839 kilograms

	26.11 MAX
	(1.028 MAX)	2X 20.14
		(2X .793)
		6.35 (.250)	24.00
			(.945)
			2X 28.45	4.22 X 90 (		.166 X 90 )
					0.36
			(2X 1.120)
				(	.014)
				2X 70.05 (2X 2.758)
				122.00 (4.803)
UNITS OF MEASURE: mm (inches)				2X 130.05 (2X 5.120)
				146.99 MAX (5.787 MAX)
				131.17 (5.164)
				85.60 (3.370)	4.57 MIN BLIND
					( .18 MIN BLIND)
20.14			41.15 (1.620)		4.22 X 90 ( .166 X 90 )
						0.36
(.793)			2X 29.21
					(	.014)
			(2X 1.150)
		1.45 (.057)
	101.60 +/- .25	3.17 (.125)
	(4.000 +/- .010)
50.80
(2.000)
	2X 100.13
	(2X 3.942)	20.68 (.814)
	98.42
	(3.875)
	33.40
	(1.315)
		0.76
	(	.030)
	0.13
	(.005)		36.37
	0.13
3.50 +/- .38			(1.432)
	(.005)
(.138 +/- .015)			0.99
	0.25		(.039)
	(.010)		0.41
			(.016)

Figure 13. Physical dimensions

DRIVE

CENTER

LINE

36 Cheetah T10 SAS Product Manual, Rev. A