Seagate ST3250310ASIM manual Electromagnetic immunity, Reliability, Radio frequency environments

2.11Electromagnetic immunity

When properly installed in a representative host system, the drive operates without errors or degradation in performance when subjected to the radio frequency (RF) environments defined in the following table:

Table 6:	Radio frequency environments
Test		Description	Performance level	Reference standard
Electrostatic discharge		Contact, HCP, VCP: ± 4 kV; Air: ± 8 kV	B	EN 61000-4-2: 95
Radiated RF immunity		80 to 1,000 MHz, 3 V/m,	A	EN 61000-4-3: 96
		80% AM with 1 kHz sine		ENV 50204: 95
		900 MHz, 3 V/m, 50% pulse modulation @
		200 Hz
Electrical fast transient		± 1 kV on AC mains, ± 0.5 kV on external I/	B	EN 61000-4-4: 95
		O
Surge immunity		± 1 kV differential, ± 2 kV common, AC	B	EN 61000-4-5: 95
		mains
Conducted RF immunity		150 kHz to 80 MHz, 3 Vrms, 80% AM with	A	EN 61000-4-6: 97
		1 kHz sine
Voltage dips, interrupts		0% open, 5 seconds	C	EN 61000-4-11: 94
		0% short, 5 seconds	C
		40%, 0.10 seconds	C
		70%, 0.01 seconds	B

2.12	Reliability
Nonrecoverable read errors		1 per 1014 bits read, max
Annualized Failure Rate (AFR)		0.34% (nominal power, 25°C ambient temperature)
Contact start-stop cycles		50,000 cycles
		(at nominal voltage and temperature, with 60 cycles per hour and a 50% duty
		cycle)
Service Life		5 years
Warranty		5 years on distribution units.
		To determine the warranty for a specific drive, use a web browser to access the
		following web page:
		www.seagate.com/support/service/
		From this page, click on the “Verify Your Warranty” link. You will be asked to pro-
		vide the drive serial number, model number (or part number) and country of pur-
		chase. The system will display the warranty information for your drive.
Preventive maintenance		None required.

18 Barracuda 7200.8 Serial ATA Product Manual, Rev. F