This product manual describes the Seagate Barracuda 9LP family of SCSI hard‑disk drives, covering the ST39173 and ST34573 series with model suffixes N, W, WD, LW, WC and LC. It includes detailed sections on drive features, media characteristics, performance, reliability, and physical/electrical specifications.
Key chapters cover power requirements, SCSI interface details, mounting and grounding, error management, and service information. The manual also provides tables of DC voltage/current values, environmental limits, and recommended installation procedures.
| Regulation | ±5% |
|---|
The drives have no AC power requirement and need DC supplies of +5 V and +12 V with specific current limits.
The drives are rated for a mean time between failures of 1,000,000 hours.
The specified service life is five years.