Brand: Western Digital · SKU: WD400BB-22JHA0 · MPN: WD400BB-22JHA0 · Category: Storage
The Western Digital WD400BB is a Caviar series 3.5-inch internal hard disk drive with a capacity of 40GB. It features a 7200 RPM rotational speed, a 2MB buffer size, and an EIDE (Ultra ATA/100) interface. The physical form factor is 3.5-inch, and it is suitable for Desktop PCs. It uses 512 bytes per sector and has 2 platters with 4 data surfaces. Performance specifications include an average read seek time of 8.9 ms and an average write seek time of 10.9 ms.
| Cache | 2 MB |
|---|---|
| Heads | 4 |
| Capacity | 40 GB |
| Platters | 2 |
| Interface | EIDE / Ultra ATA/100 |
| Form Factor | 3.5-inch |
| Bytes Per Sector | 512 |
| Rotational Speed | 7200 RPM |
| Average Seek Time (Read) | 8.9 ms typical |
| Warranty | 1 Year (Refurbished, varies by seller) |
| Weight | N/A |
| Dimensions | 3.5-inch (Form Factor) |
The WD400BB is an older generation 40GB EIDE hard drive from Western Digital's Caviar line, designed for desktop PCs requiring a 3.5-inch IDE interface drive.
Yes, this Western Digital Caviar WD400BB 40GB EIDE Hard Drive (WD400BB-22JHA0) is 100% genuine Western Digital hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Western Digital Caviar WD400BB 40GB EIDE Hard Drive includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the WD400BB-22JHA0.