Seagate Cheetah 15K.3 ST336753FCV 36GB 15K 2Gbps 40pin Fibre / Fiber Channel Hard Drive – Refurbished OEM
Alt MPN: 9U9007-024
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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. |
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Features |
Benefits |
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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. |
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Distinctions |
- Extremely low power consumption allows easy integration for high performance.
- 1,200,000-hour MTBF
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UNFORMATTED CAPACITY (GB) ________________48.2
FORMATTED CAPACITY (GB) __________________36.7
AVERAGE SECTORS PER TRACK ________________572 rounded down
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________125,240
CYLINDERS ________________________________31,310 user
HEADS ______PHYSICAL______________________4
DISCS (2.5 in) ___________________________2
MEDIA TYPE _______________________________THIN FILM/GMR
RECORDING METHOD _________________________PRML
INTERNAL TRANSFER RATE (mbits/sec)________632 to 891
INTERNAL FORMATTED TRANSFER RATE (MB/sec)_56.1 to 86.0
EXTERNAL TRANSFER RATE (mbyte/sec/port)___106 Sync
SPINDLE SPEED (RPM) ______________________15k
AVERAGE LATENCY (mSEC) ___________________2.0
BUFFER ___________________________________8MB
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________Ultra-SCSI Wide
Low Voltage Differential __________Ultra3-SCSI Wide
ASA II, SCAM level 2 (1 default)
BYTES PER TRACK __________________________377,770 avg
SECTORS PER DRIVE ________________________71,687,372
TPI (TRACKS PER INCH) ____________________64,000
BPI (PEAK KBITS PER INCH) ________________533
AVERAGE ACCESS (ms read/write)____________3.6/4.0
Drive level without controller overhead
SINGLE TRACK SEEK (ms read/write) ________0.20/0.40
MAX FULL SEEK (ms read/write) ____________6.5/6.9
MTBF (power-on hours) ____________________1,200,000
SHOCK (G's, 11/2/.5 ms):
operating (Read/Write) __________15
abnormal ________________________40
nonoperating ____________________75/250/100
ACOUSTICS (Bels typical, sound power) ____3.5
POWER DISSIPATION (watts/BTUs) Active ____/
Idle ______10.5/35.8
POWER REQUIREMENTS: +12V START-UP (amps) _1.50
+12V TYPICAL (amps) __0.52 idle
+5V START-UP (amps) __1.01
+5V TYPICAL (amps) ___0.86 idle
IDLE (watts) _________
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Physical:
Height (inches/mm): 1.0/25.4
Width (inches/mm): 4.00/101.6
Depth (inches/mm): 5.75/146
Weight (lbs/kg): 1.85/0.842
Already low-level formatted at the factory with x spare sectors at
the end of each x cylinder region.
ZBR = Zone Bit Recording = Variable sectors per track
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