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Seagate Cheetah 15K.5 300GB ST3300655LW 68pin 15K U320 SCSI Hard Drive
Seagate Cheetah 15K.5 300GB ST3300655LW 68pin 15K U320 SCSI Hard Drive

Seagate Cheetah 15K.5 300GB ST3300655LW 68pin 15K U320 SCSI Hard Drive

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AED2,399.00

30 in stock

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Seagate ST3300655LW SCSI Hard Disks

Capacity: 300GB
Spindle Speed: 15,000RPM
Interface Type: SCSI 68pin / HD68 Female
Disk Size: 3.5″x1.0″ (LFF Hard Drive)
Sustained Throughput (MBps): 85 – 142
Average Seek Time (read/write ms): 3.5 / 4.0
Electrical Interface Speed: SCSI LVD U320 – 320MBps 16-bit
On-Board Cache: 16MB

The Cheetah 15K.5 is mainstream enterprise disc drive storage. It is the best price/performance, lowest cost of ownership, 3.5-inch disc drive, with the industry’s highest 3.5″ disc drive reliability.
Features Benefits
15K RPM spindle speed
 		 Delivers more I/O’s per second and faster sustained transfer rates than 10K 3.5-inch drvies, enabling the same high performance to be met with fewer drives.
 
Background Media Scan (BMS)
 		 Second generation Seagate-exclusive BMS proactively scans the media for potential defects during drive idle time. It enables incipient errors to be corrected before data is lost.
 
Perpendicular Recording
 		 Perpendicular recording is fundamentally superior, enabling the highest areal density with 30 percent higher performance.
 
Nonrecoverable Error Rate 
 		 The nonrecoverable error rate has been improved by a factor of 10.
 
Idle Read After Write (IRAW)
 		 Seagate-exclusive IRAW enhances data protection by verifying-during drive idle time-that data in the drive buffer was properly written.
 
  • The industry’s highest reliability 3.5″ drive
  • 30% more IOPS and 20% faster response times than 3.5″ 10K drives

The 68-pin version of these low-profile 1″ of these SCSI hard drives are compatible with all systems having a SCSI controller with a 68pin internal connector including (this list is not all inclusive):

Dell® Dimension XPS, 8400, 8300, 8250, 8200, 4500, 4550; 
Optiplex GX150, GX260, GX270, GX280; 
Precision Workstations 210, 220, 330, 340, 350, 360, 360N, 370, 380, 400, 410, 420, 450, 450N, 470, 530, 610, 620, 650, 650N, 730.

 

Also fully compatible with HP / Compaq ProSignia, Presario, EVO, Alienware, Hypersonic, Gateway, Sony, eMachines, and Acer desktop PCs / computers.
 

Technical Specifications
 Description
Model number ST3300655LW
Model Name Cheetah 15K.5
Form Factor(width) 3.5-inch
Form Factor(height) low-profile
 Physical Specifications
Height 26.11 mm
Width 101.85 mm
Length 146.99 mm
Weight 0.839 kg
 Capacity/Interface
Formatted Capacity 300 Gbytes
Interface Type 68-pin
 Performance
  Transfer Rates  
Internal Transfer Rate (min) 960 Mbits/sec
Internal Transfer Rate (max) 1,607 Mbits/sec
Formatted Int Transfer Rate (min) 89 MBytes/sec
Formatted Int Transfer Rate (max) 150 MBytes/sec
External (I/O) Transfer Rate (max) 320 MBytes/sec
  Seek Times  
Average Seek Time, Read 3.5 msec typical
Average Seek Time, Write 4 msec typical
Track-to-Track Seek, Read 0.2 msec typical
Track-to-Track Seek, Write 0.4 msec typical
Full Disc Seek, Read 6.7 msec typical
Full Disc Seek, Write 7.4 msec typical
Average Latency 2 msec
  Other  
Default Buffer (cache) Size 16,000 Kbytes
Spindle Speed 15K RPM
Power-on to Ready Time 20 sec
 Configuration
Number of Discs (physical) 4
Number of Heads (physical) 8
Total Cylinders 73,340
Total Tracks 586,720
Bytes Per Sector 512
Areal Density (Mbits/sq in) 110,000 Mbits/square inch
Track Density (TPI) 125,000 tracks/inch
Recording Density (BPI, max) 890,000 bits/inch
  Recording Components  
 Electrical Requirements
  Current  
Typical Current (12VDC +/- 5%) 0.76 amps
Startup Current (12VDC +/- 5%) 1.76 amps
Typical Current (5VDC +/- 5%) 0.7 amps
Startup Current (5VDC +/- 5%) 0.74 amps
  Power  
Idle Power (typ) 12.62 watts
 Environmental Specifications
  Shock and Vibration  
Max Operating Shock (2-msec) 60 Gs
Max Nonoperating Shock (2-msec) 250 Gs
Operating Vibration (max) 1 Gs
Nonoperating Vibration (max) 2 Gs
  Temperature and Humidity  
Operating Temperature (max) 50 deg C
Operating Temperature (min) 5 deg C
Nonoperating Temperature (max) 70 deg C
Nonoperating Temperature (min) -40 deg C
Operating Temperature Change (max) 20 deg C/hr
Nonoperating Temperature Change (max) 20 deg C/hr
Operating Humidity (max) 95 percent
Nonoperating Humidity (max) 95 percent
Operating Humidity Change (max) 10 percent per hour
Operating Wet Bulb Temp (max) 28 deg C
  Altitude  
Operating Altitude (max) 3,048 m
Operating Altitude (min) -305 m
Nonoperating Altitude (max) 12,210 m
Nonoperating Altitude (min) -305 m
  Acoustics  
Acoustics, Idle (sound power, typ) 3.6 Bels
 Reliability
Recoverable Read Errors 10 per 1012 bits read
Nonrecoverable Read Errors 1 per 1016 bits read
Supports S.M.A.R.T. Yes

 

SKU: ST3300655LW Category:

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