WD400JB
| Model | WD400JB |
| Manufacturer | Western Digital Technologies, Inc |
| Capacity | 40 GB |
| Purpose | Desktop Hard Drive |
| Series | WD Caviar SE |
| Serial No | WMAM9ALT8281 |
| P/N | WD400JB-00JJC0 |
| Date | 20 Feb 2008 |
| Cache Buffer Size | 8 MB |
| rpm | 7200 |
| Performance | |
| Mode 5 Ultra ATA | 100 MB/s |
| Interface | EIDE |
| Reliability | |
| Non-recoverable read errors | <1 per 10 14 bits read |
| Warranty | 3 years |
| Special Functions | |
| Data Lifeguard™ | |
| Shock Guard™ | |
The WD400JB is an EIDE Desktop hard disk drive manufactured by Western Digital Technologies Inc, in 2008. This is part of the WD Caviar SE range, which has Data Lifeguard™, and Shock Guard™ technologies making it one of the most reliable hard drives for its time.
eBay / Cost
This is a low capacity drive, however a good working one without any problems can fetch around five pounds. If you are selling one, then displaying its SMART parameters may give an indication of its health to the buyer.