| Travelstar DK23FB model summary |
Capacity (GB) |
RPM |
Interface |
|
| DK23FB-60 |
|
| DK23FB-40 |
|
| DK23FB-20 |
|
| |
|
| Configuration |
|
| Interface |
ATA-5 |
| Capacity (GB)1 |
60/40/20 |
| Sector size (bytes) |
512 |
| Recording zones |
16 |
| Data heads |
4/3/2 |
| Disks |
2/2/1 |
| Max. areal density (Gbits/sq.inch) |
68.5 (2 disks) / 62.5 (1 disk) |
| |
|
| Performance |
|
| Data buffer (MB)2 |
8 |
| Rotational speed (rpm) |
5400 |
| Latency (average ms) |
5.6 |
| Max. media transfer rate (MB/sec) |
50.2 (2 disks) / 45.5 (1 disk) |
| Max. interface transfer rate (MB/sec) |
100MB/sec Ultra DMA mode-5 |
| |
16.6MB/sec PIO mode4/Multiword DMA mode 2 |
| Seek time (ms) |
|
| Average (typical) |
13 |
| Track-to-track (typical) |
3 |
| Full-stroke (typical) |
24 |
| |
|
| Reliability |
|
| Error rate (non-recoverable) |
< 1 per 1013 bits transferred |
| Load/unload cycle |
300,000 |
| |
|
| Power |
|
| Requirement |
+5VDC (±5%) |
| Dissipation (typical) |
|
| Startup (max. peak) |
4.50 W |
| Seek (average) |
2.25 W |
| Read (average) |
2.00 W |
| Write (average) |
2.10 W |
| Performance idle (average) |
0.85 W |
| Active idle (average) |
1.10 W |
| Low power idle (average) |
1.75 W |
| Standby (average) |
0.15 W |
| Sleep |
0.10 W |
| |
|
| Physical size |
|
| Height (mm) |
9.5 |
| Width (mm) |
70 |
| Depth (mm) |
100 |
| Weight (g) |
95 (2 disks), 91 (1 disk) |
| |
|
| Environmental characteristics |
|
| |
|
| Operating |
|
| Ambient temperature |
5° to 55° C |
| Relative humidity (non-condensing) |
5% - 90% |
| Maximum wet bulb (non-condensing) |
29° C |
| Shock (half sine wave) |
250G/2ms |
| Vibration (sine wave) |
1.0 G (22 - 500Hz) |
| |
|
| Non-operating |
|
| Ambient temp |
-40° to 70° C |
| Relative humidity (non-condensing) |
5% - 95% |
| Maximum wet bulb (non-condensing) |
40° C |
| Shock (half sine wave) |
800G/1ms |
| Vibration (sine wave) |
5.0G (22 - 500Hz) |
| |
|
| Acoustics (A-Weighted Sound Power
(Bels)) |
|
| Idle (typical) |
2.8 |
| Seek (typical) |
3.1 |
