Overview
The Western Digital WD2500AAKX is a 250GB internal hard disk drive from the WD Blue Caviar line. This 3.5-inch SATA drive combines proven reliability with straightforward performance specifications, making it a practical choice for system replacements, testing, or archival storage applications. With 7200 RPM rotational speed and a 16MB cache, the WD2500AAKX offers consistent data access without unnecessary complexity.
Key Features
- 250GB formatted capacity with 16MB cache buffer
- 7200 RPM spindle speed for stable performance
- SATA 6Gb/s (SATA III) interface for broad compatibility
- 3.5-inch form factor fits standard drive bay installations
- Auto park/actuator latch for mechanical protection
Technical Specifications
- Capacity: 250GB (250,059 MB formatted)
- Interface: SATA 6 Gb/s
- Rotational Speed: 7200 RPM
- Cache: 16MB
- Form Factor: 3.5 inches
- Bytes Per Sector: 512
- Dimensions: 101.6 mm × 25.4 mm × 147 mm (L × H × W)
- Actuator: Latch/auto park mechanism
Typical Applications
The WD2500AAKX is well-suited for:
- Desktop or workstation storage upgrades
- Server or NAS array expansion (non-critical tier)
- Replacement drives in legacy systems
- Retrofit or compatibility testing in industrial control enclosures
- Archive or backup storage where sustained 7200 RPM performance is sufficient
Compatibility & Replacements
Compatible With
- Any system with a standard 3.5-inch drive bay
- Desktop motherboards with SATA connectors
- Server systems supporting SATA storage
- Industrial PC enclosures with SATA backplane
- External USB/eSATA enclosures with 3.5-inch bays
Replaces / Drop-In Replacement For
The WD2500AAKX is a direct replacement for any failed or aging 3.5-inch 250GB SATA hard drive. Verify the original drive’s interface (SATA 6Gb/s), form factor, and mounting configuration before ordering.
Works With
- All SATA controllers and motherboards
- BIOS and UEFI firmware (no special drivers required)
- Operating systems: Windows, Linux, FreeBSD, and other OS with standard SATA drivers
- Backup and disk imaging software (Acronis, Clonezilla, dd, etc.)
- Hardware RAID and SAN systems supporting SATA-III drives
