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Hitachi Ultrastar DK32DJ 08K2139 / DK32DJ-72MW 73GB 10K 68pin 3.5″ Ultra160 SCSI Hard Drive
Availability:
30 in stock
AED1,039.00
30 in stock
Hitachi 08K2139 Ultra160 SCSI Hard Drive
Capacity: 73GB
Spindle Speed: 10,000RPM
Interface Type: SCSI 68pin / HD68 Female
Disk Size: 3.5″x1.0″ (LFF Hard Drive)
Sustained Throughput (MBps): 33.8 – 66.7
Average Seek Time (read/write ms): 4.7ms
Electrical Interface Speed: SCSI LVD U320 – 320MBps 16-bit
On-Board Cache: 8MB
High capacity, high performance drives for for workstations, LAN servers,RAID and multi-user systems.
10,025 rpm rotational speed
Dual Spin Valve GMR head & MEEPRML TECHNOLOGY
4MB and 16MB read /write cache
250G Non-Operating Shock
Available in U320 SCSI, U160 SCSI and 2 Gb FCAL interfaces
Model Number: DK32DJ-72MW
Part Number: 08K2139
| Configuration | ||
| Interface | Ultra320 / Ultra160 SCSI | |
| Capacity (GB)1 | 146.8/73.4/36.7/18.3 | 146.8/73.4/36.7/18.3 |
| SECTOR size (bytes) |
512-528 (variable, 2 byte inc.) | 512-528 (8 byte inc) |
| Recording ZONES |
15 | 15 |
| Data heads (physical) | 12/6/3/2 | 12/6/3/2 |
| Data disks | 6/3/2/1 | 6/3/2/1 |
| Max. areal density (Mbits/sq. inch) | 26,263 | 3126,263 |
| Max. recording density (BPI) | 548,000 | 548,000 |
| Track density (TPI) | 47,900 | 47,900 |
| Performance | ||
| Data Buffer | 8192 KB | 8192 KB |
| Rotational speed (rpm) | 10,000 | 10,000 |
| Latency average (ms) | 3.00 | 3.00 |
| Data transfer rate (max. Mbits/sec) | 433 – 825 | 433 – 825 |
| Interface transfer rate (max. MB/sec) | 320 | 200/400 |
| Sustained data rate (MB/sec) | 33.8 – 66.7 | 33.8 – 66.7 |
| Seek time (read, typical)2 | ||
| Average (ms) | 4.7 | 4.7 |
| Track to track (ms) | 0.5 | 0.5 |
| Full track (ms) | 7.2/8.0 | 7.2/8.0 |
| Reliability | ||
| Error rate (non-recoverable) | 10 in 10E16 bits read | 10 in 10E16 bits read |
| Start/stops (at 40° C) | 50K | 50K |
| Acoustic | ||
| Idle – Typical (Bels) | 3.7/3.4/3.4/3.4 | 3.7/3.4/3.4/3.4 |
| Operating – Typical (Bels) | 4.5/4.5/4.5/4.5 | 4.5/4.5/4.5/4.5 |
| Power | ||
| Requirement | +5VDC (+-5%), +12 VDC (+-5%) | +5VDC (+-5%), +12 VDC (+-5%) |
| Dissipation | ||
| Startup current (max. peak) | 1.07A (5V), 2.40A (12V) | 1.12A (5V), 2.40A (12V) |
| Idle (W) | 10.2/7.7/7.0/5.9 | 11.1/8.6/7.9/6.8 |
| Power consumption efficiency INDEX |
0.07 W/GB , 0.11 W/GB | 0.08 W/GB , 0.12 W/GB |
| 0.19 W/GB , 0.33 W/GB | 0.22 W/GB , 0.38 W/GB | |
| Dimensions | ||
| Height (mm) | 25.4 (+-0.4) | 25.425.4 (+-0.4) |
| Width (mm) | 101.6 (+-0.4) | 101.6 (+-0.4) |
| Depth (mm) | 146 (+-0.6) | 146 (+-0.6) |
| Weight (max. kg) | 0.78 | 0.78 |
| Environmental CHARACTERISTICS |
||
| Operating | ||
| Ambient temperature | 5° to 55° C | |
| Relative humidity (non-condensing) | 8% to 90% | |
| Max. wet bulb (non-condensing) | 29.4° C | |
| Shock (half sine wave) | 10G (11 ms) / 45G (2 ms) | |
| Random Vibration (RMS) | 0.67G for horizontal | |
| 0.56G for vertical | ||
| Non-operating | ||
| Ambient temperature | -40° to 65° C | |
| Relative humidity (non-condensing) | 5% to 95% | |
| Max. wet bulb (non-condensing | 35° C | |
| Shock (half sine wave) | 75G (11 ms) / 225G (2 ms) for 146GB / 300G (2 ms) for 73, 36, and 18GB | |
| Random Vibration (RMS) | 1.04G | |
1 GB equals one billion bytes when referring to hard drive capacity; accessible capacity may be less.
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