Table 5: | Drive |
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2.1 bels (typ) |
| 2.3 bels (typ) | 2.0 bels (typ) | 2.1 bels (typ) |
2.2 bels (max) | 2.4 bels (max) | 2.1 bels (max) | 2.2 bels (max) | |
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*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels.
Test for Prominent Discrete Tones (PDTs)
Seagate follows the
*Defined as the median curve given by ISO
2.12Electromagnetic immunity
When properly installed in a representative host system, the drive operates without errors or degradation in perfor- mance when subjected to the radio frequency (RF) environments defined in the following table:
Table 6: | Radio frequency environments |
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| Performance | Reference |
Test |
| Description | level | standard |
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Electrostatic discharge | Contact, HCP, VCP: ± 4 kV; Air: ± 8 kV | B | EN | |
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Radiated RF immunity | 80 to 2,000 MHz, 10 V/m, | A | EN | |
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| 80% AM with 1 kHz sine |
| ENV 50204: 95 |
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| 900 MHz, 3 V/m, 50% pulse modulation @ 200 Hz |
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Electrical fast transient | ± 1 kV on AC mains, ± 0.5 kV on external I/O | B | EN | |
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Surge immunity | ± 1 kV differential, ± 2 kV common, AC mains | B | EN | |
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Conducted RF immunity | 150 kHz to 80 MHz, 3 Vrms, 80% AM with 1 kHz | A | EN | |
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| sine |
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Power Frequency | 1 A/m, 50Hz/60Hz, 3 axes | A | EN | |
immunity |
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Voltage dips, interrupts | 30% Reduction for 25 cycles | C | EN | |
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| >95% Reduction for 250 cycles | C |
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| >95%, 0.5 cycles | B |
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12 | Pipeline HD Mini Series SATA Product Manual, Rev. E |