Brand: Western Digital · SKU: WD400BB-00JHC0 · MPN: WD400BB-00JHC0 · Category: Storage
The Western Digital Caviar WD400BB-00JHC0 is a 40GB 3.5-inch internal hard disk drive designed for basic desktop applications and legacy systems. It operates at a 7,200 RPM spindle speed for quick data access and features an ATA/100 (EIDE) interface for compatibility with older systems that require IDE connections. The drive includes a 2MB cache to enhance data processing by minimizing latency and boosting read/write speeds. It is often found in a refurbished condition and is a dependable choice for users looking to maintain or upgrade legacy desktop hardware. Some sources list the condition as Refurbished.
| Cache | 2MB |
|---|---|
| Capacity | 40GB |
| Interface | ATA-100 (EIDE/Ultra ATA/100) |
| Disk Family | Caviar |
| Form Factor | 3.5-inch |
| Platter Count | 2 (Implied from 1 disk/1 head configuration or similar) |
| Bytes Per Sector | 512 |
| Rotational Speed | 7200 RPM |
| Average Seek Time | 8.9 ms average |
| Warranty | 1 Year (When sold by some resellers as refurbished) |
| Weight | 440 Gm (0.97 lbs) (Source varies) |
| Dimensions | 3.5-inch Form Factor (101.6 mm Width x 147 mm Depth x 25.4 mm Height approx.) |
The WD400BB-00JHC0 is a legacy 40GB internal hard drive from the Western Digital Caviar series. It targets older desktop systems needing an IDE/ATA-100 connection, spinning at 7200 RPM with a 2MB buffer for essential storage functionality.
Yes, this Western Digital Caviar WD400BB-00JHC0 40GB 7200RPM EIDE Hard Drive (WD400BB-00JHC0) 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-00JHC0 40GB 7200RPM 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-00JHC0.