Product Description:Up for sale is a rare, pristine New Old Stock (NOS) factory-sealed Seagate Barracuda 7200.9 Internal Hard Drive Upgrade Kit (Model: ST3160812AS-RK). This item is completely brand new, sealed in its original retail shrink-wrap, and still bounded by the factory structural security strap. Highly prized by data recovery labs as a clean donor match or by collectors building period-accurate vintage mid-2000s PC/Mac setups.Full Specifications & Features:Form Factor: Standard 3.5" Desktop DriveCapacity: 160 GBInterface: Serial ATA-300 (SATA II) up to 3.0 Gb/sSpindle Speed: 7200 RPMCache Buffer: 8 MBNative Command Queuing (NCQ): Optimizes command execution order for maximum multitasking efficiency3D Defense System: Premium protection against physical shock and rough handlingAcoustics: SoftSonic fluid dynamic bearing motor for whisper-quiet storage operationRetail Kit Contents: Factory-enclosed internal hard drive, custom installation software, SATA data cable, SATA power adapter, and mounting screws