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 Цена: 14994 руб. Мера: шт.
Артикул: 12499
Товар на складе: есть
Полное описание
Жёсткий диск HDD Fujitsu MAS3735NC 72.8GB, 15K rpm, Wide Ultra320 (U320) SCSI, 1", 80-pin
Описание и характеристики:
Fujitsu's new 15,000rpm MAS3735NC/NP series includes models with optimum capacities of 18.4GB, 36.7GB and 73.5GB. The series is thus ideal for all mainstream SCSI applications, such as Enterprise Servers, PC Servers, Workstations, and RAID subsystems, where data integrity and reliability are essential.
These new drives offer new performance standards with a maximum internal transfer rate of 118.2MB/s and a fast average seek time of 3.3ms. The new series support Ultra320 SCSI (320MB/s) interface, which boasts new performance and reliability enhancing features, such as data packet protocol, quick arbitration and selection, and signal pre-compensation.
Concerning reliability, the new series provide the industry's highest MTBF rating of 1,200,000 hours. It also incorporates many reliability enhanced features, such as alloy top cover for lower acoustics and an improved SMART detection system.
FEATURES
Drive Features
- High Capacities of 18.4GB, 36.7GB and 73.5GB respectively
- Fast average positioning time: Read 3.3ms ; Write 3.8ms
- Industry's fastest rotational speed of 15,000rpm
- High reliability of 1,200,000 hours MTBF
- Advanced GMR head
- EEPR4ML read channel technology
SCSI Features
- Supports FAST/URTRA-1/ULTRA-2/U160/U320 Wide SCSI
- Supports Multi-Mode LVD (Single-Ended/Low-Voltage Differential)
- Programmable 8MB multisegmented buffer
- Read-ahead cache / Write cache
- Tagged Command Queuing
- 480Bit Reed Solomom ECC with on-the-fly correction
- SCSI Active Negation
- SMART
- ID-Less Format
- Hot Swap Case-4 (Dynamic Switchover between SE/LVD)
Functional Specifications
| Storage Capacity (formatted) |
18.4GB |
36.7GB |
73.5GB |
| Disks |
1 |
2 |
4 |
| Heads (Read /Write) |
2 |
4 |
8 |
| Tracks capacity |
285KB~360KB |
| Bytes / sectors |
512 |
| Cylinders |
27,100 |
| Sectors/track |
558 to 705 |
| Seek time |
Track to track |
Read: 0.3ms (typ.) / Write: 0.5ms (typ.) |
| Average |
Read: 3.3ms (typ.) / Write: 3.8ms (typ.) |
| Maxiumum |
Read: 8.0ms (typ.) / Write:9.0ms (typ.) |
| Average latency time |
2.00ms |
| Rotational speed |
15,000rpm |
| Recording density |
580K BPI |
| Track density |
60K TPI |
| Data transfer rate (max.) |
118.2MB/s (Media) |
| Recording code |
32/34 MATCHED NPV2 |
| Interface |
SCA-2 (NC type), 68Pin Wide (NP type) |
| Head positioning method |
ROTARY VCM |
| Start time |
30 sec. (typ.), 60 sec. (max.) |
| Stop time |
30 sec. (typ.) |
| Buffer size |
8MB |
Physical Specifications
Power
requirements |
Idle |
5V ± 5%, 12V ± 5% |
| Start-up |
12V ± 5% 2.50A (peak), 3.0A (peak<100us), 5V ± 5% 0.85A |
| Dimensions (HxWxD) |
25.4mm x 101.6mm x 146.0mm |
| Weight |
800 g |
Ambient
temperature |
Operating |
5°C to 55°C (DE base 60oC max.) |
| Non-operating |
-10°C to 70°C |
| Gradient |
15°C/H (max.) |
| Relative humidity |
Operating |
Operating 5% to 95% (non-condensing) |
| Non-operating |
5% to 95% (non-condensing) |
| Max. wet bulb |
29oC (Operating) |
| Vibration |
Operating |
0.3mm (5 to 20Hz)/ 1.0G (20 to 300Hz) |
| Non-operating |
3.1mm (5 to 20Hz)/ 5.0G (20 to 300Hz) |
| Shock |
Operating |
65G max. (2ms) |
| Non-operating |
250G max. (2ms) |
| Attitude (operation) |
Operating |
3,000m (max.) |
| Non-operating |
12,000m (max.) |
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