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The Cheetah 15K.3 is the lowest cost of ownership
15K drive, and the lowest cost-per-I/O disc drive ever. It is fast, cool,
and quiet, and has the highest reliability rating in the industry.
Features
3D Defense System
The most
comprehensive drive protection system in the industry, consisting of Drive
Defense, Data Defense and Diagnostic Defense.
SeaShell
Seagate's revolutionary packaging protects the drive from external
shock.
SAMS
Seagate's Advanced Multidrive System
optimizes the drive for maximum I/O performance in Multidrive
environments.
JIT
Just-In-Time minimizes actuator
impact on power, vibration and acoustics.
Ultra320 SCSI
Up to 320-Mbyte/sec transfer rate; Includes Packetization and QAS.
Backward compatible with Ultra160. Cables 15 devices, up to 12 meters.
15K RPM spindle speed
Delivers more I/O's per second
than 10K, and faster sustained transfer rates, enabling the same high
performance to be met with fewer drives.
Specifications
Description
Model Number:
ST318453LW
Model Name: Cheetah 15K.3
Form Factor(width): 3.5-inch
Form Factor(height): low-profile
Physical
Specifications
Height: 25.4 mm
Width: 101.6 mm
Length:
146.6 mm
Capacity/Interface
Formatted Capacity: 18.4
Gbytes
Interface Type: 68-pin
Performance
Transfer
Rates
Internal Transfer Rate (min): 609 Mbits/sec
Internal
Transfer Rate (max): 891 Mbits/sec
Formatted Int Transfer Rate (min):
57 MBytes/sec
Formatted Int Transfer Rate (max): 86 MBytes/sec
External (I/O) Transfer Rate (max): 320 MBytes/sec
Avg Formatted
Transfer Rate: -29 MBytes/sec
Seek Times
Average Seek Time,
Read: 3.6 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
Average Latency: 2 msec
Other
Default Buffer (cache) Size: 8,192 Kbytes
Spindle Speed: 15K RPM
Configuration
Number of Discs (physical): 1
Number
of Heads (physical): 2
Total Cylinders: n/a
Total Tracks: n/a
Bytes Per Sector: 512
Areal Density (Mbits/sq in): n/a
Track
Density (TPI): n/a
Recording Density (BPI, max): n/a
Sectors/Track
(avg): n/a
Bytes/Track (avg): n/a
Recording Components
Recording Method: EPRML
Electrical Requirements
Current
Typical Current (12VDC +/- 5%): 1.03 amps
Startup
Current (12VDC +/- 5%): n/a
Typical Current (5VDC +/- 5%): 0.87 amps
Startup Current (5VDC +/- 5%): n/a
Power
Seek Power (typ):
n/a
Read/Write Power (typ): n/a
Idle Power (typ): 9 watts
Environmental Specifications
Shock and Vibration
Max Operating Shock (11-msec): 15 Gs
Max Nonoperating Shock
(2-msec): 250 Gs
Operating Vibration (max): 0.5 Gs
Nonoperating
Vibration (max): 2 Gs
Temperature and Humidity
Operating
Temperature (max): 55 deg C
Operating Temperature (min): 5 deg C
Nonoperating Temperature (max): 70 deg C
Nonoperating Temperature
(min): -40 deg C
Altitude
Acoustics
- Acoustics, Idle
(sound power, typ) 3.1 Bels
Reliability
MTBF (Hours):
1,200,000 hours
Recoverable Read Errors: 10 per 1012 bits
read
Nonrecoverable Read Errors: 1 per 1015 bits read
Seek Errors: 10 per 108 bits read
Supports S.M.A.R.T.:
Yes
Service Life: 5 year(s)
Limited Warranty Period: 5 year(s) |
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