Western Digital WD400BB-00AUA1 is a legacy desktop internal hard drive from WD’s popular Caviar series, designed for early 2000s PCs and workstations. It features 40GB capacity, a 7200 RPM spindle speed, and an Ultra ATA/100 (IDE/PATA) interface, offering solid performance for its generation.
This drive was widely used in desktop computers and entry-level servers requiring faster data access than 5400 RPM drives. Today, it is primarily used for retro computing, legacy system maintenance, and data recovery applications.
Key Features
- Manufacturer: Western Digital
- Model: WD400BB-00AUA1
- Product Line: Caviar
- Capacity: 40 GB
- Interface: IDE / Ultra ATA-100 (PATA)
- Rotational Speed: 7200 RPM
- Cache: 2 MB
- Form Factor: 3.5″
- Application: Desktop PCs, legacy systems
Technical Specifications
- Storage Capacity: 40 GB
- Interface Type: EIDE / ATA-100 (PATA)
- Spindle Speed: 7200 RPM
- Cache Buffer: 2 MB
- Form Factor: 3.5-inch internal drive
- Drive Type: Desktop HDD
- Usage: Legacy PCs, industrial systems, retro builds
- Performance Class: High-performance desktop (for its era)
90 DAY'S