|
| Manufacturer |
Western Digital Corporation |
| Manufacturer Part Number |
WD400BB |
| Manufacturer Website Address |
www.westerndigital.com |
| Product Line |
Caviar |
| Product Name |
Caviar High-Performance Hard Drive |
| Marketing Information |
WD Caviar® 7200 hard drives are the performance
champions for advanced desktop personal computers. |
| Packaged Quantity |
1 |
| Package Type |
OEM |
|
| Storage Capacity |
40GB |
| Heads |
4 Physical
16 Logical
|
| Cylinders |
16383 |
| Discs/Platters |
2 |
| Bytes per Sector |
512 |
| Sectors per Track |
63 |
| User Sectors per Drive |
78165360 |
| Actuator Type |
Rotary VCM |
| Servo Type |
Embedded |
|
| Data Transfer Rate |
100MBps External Maximum
244Mbps Internal Minimum
400Mbps Internal Maximum
|
| Rotational Speed |
7200 rpm |
| Seek Time |
28 ms Full-stroke Seek(s) Maximum
5 ms Track-to-Track Seek(s) Maximum
8.9 ms Average Read Typical
10.9 ms Average Write Typical
21 ms Full-stroke Seek(s) Typical
18 ms Average Read Maximum
20 ms Average Write Maximum
2 ms Track-to-Track Seek(s) Typical
|
| Latency |
4.2 ms Average |
| Buffer |
2MB |
| Start/Stop Cycles |
50000 |
|
| Interfaces/Ports |
1 x 40-pin IDC Ultra ATA/100 (ATA-6) - IDE/EIDE |
|
| MTBF |
500000 Hour(s) |
| Shock Tolerance |
65Gs @ 2 ms Half Sine Wave Read Operating
20Gs @ 2 ms Write Operating
250Gs @ 2 ms Non-operating
|
| Vibration Tolerance |
0.25Gs 5 Hz to 500 Hz Operating
4Gs 20 Hz to 500 Hz Non-operating
|
| Data Error Rate |
< 1/10E14 bits Read Non-recoverable |
|
| Input Voltage |
5 V DC ±5%
12 V DC ±10%
|
| Input Current |
190 mA @5V DC Standby
25 mA @12V DC Sleep
80 mA @5V DC Sleep
340 mA @12V DC Idle
610 mA @5V DC Idle
25 mA @12V DC Standby
|
| Power Consumption |
7.1W Idle
1.3W Standby
0.7W Sleep
|
|
| Temperature |
41 °F (5 °C) to 131 °F (55 °C) Operating
-40 °C (-40 °F) to 60 °C (140 °F) Non-operating
|
| Humidity |
5 to 95% Non-condensing Relative Humidity Non-operating
5 to 85% Non-condensing Relative Humidity Operating
|
| Altitude |
-1000 ft to 10000 ft Operating
-1000 ft to 40000 ft Non-operating
|
| Sound Emission |
35 dB(A) Idle
37 dB(A) Seek Mode 0
34 dB(A) Seek Mode 3
|
|
| Form Factor |
3.5" 1/3H Internal |
| Dimensions |
1.028" Height x 4.00" Width x 5.787" Depth |
| Shipping Dimensions |
4.25" Height x 7.5" Width x 9" Depth |
| Shipping Weight |
1.3 lb |
|
| Compatibility |
- PC |
| System Requirement |
- Interface required: EIDE
- Bay size (Internal): 3.5" full height |
|
| Standard Warranty |
1 Year(s) Limited |