Please refer to the following chart for SMART RUGGED product line.
1. Estimated. Official MTBF pending
2. Based on 128 KByte block transfers and continuous, sequential writes to the drive. The number does not include file system overhead, which may vary depending on the file system. The total life span of the drive depends on both the write endurance numbers and MTBF. TDW = Total Drive Writes = (Terabytes Written)*1000/(Drive Capacity GB)
3. Testing Pending
4. FIPS 140-2 Inside