Western Digital Caviar 1.6GB IDE hard drive (part no. 99-004169-005) features a 3.5-inch form factor with 5200 RPM spindle speed and 128KB cache buffer. ATA/IDE interface provides standard connectivity for legacy systems and embedded storage applications. Typical throughput reaches approximately 15-20 MB/s depending on workload. Compatible with aging enterprise servers, workstations, and systems requiring vintage or replacement IDE-based storage. Well-suited for archival, non-critical data retention, or retrofit scenarios where modern drive interfaces are unavailable. Unit tested and guaranteed; available via quote.