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Seagate Cheetah 10K.7 146GB 10K U320 68pin SCSI Hard Drive
Seagate Cheetah 10K.7 146GB 10K U320 68pin SCSI Hard Drive

Seagate Cheetah 10K.7 146GB 10K U320 68pin SCSI Hard Drive

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30 in stock

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Seagate ST3146707LW 146GB SCSI Hard Disk Drive

Capacity: 146GB
Spindle Speed: 10,000RPM
Interface Type: SCSI 68pin / HD68 Female
Disk Size: 3.5″x1.0″ (LFF Hard Drive)
Sustained Throughput (MBps): 59 to 118
Average Seek Time (read/write ms): 4.7 / 5.3
Electrical Interface Speed: SCSI LVD U320 – 320MBps 16-bit
On-Board Cache: 8MB

The Cheetah 10K.7 lowers cost of ownership with the industry’shighest reliability, designed for full duty cycle applications; Seagate-exclusive Background Media Scan; enhanced Error Correction Code; and low power and cooling requirements. Capacities include 300, 146 and 73 Gbytes, with Ultra320 SCSI or 2 Gbit/sec Fibre Channel interfaces.
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Features Benefits
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Highest Reliablity Rating
 		 Reliability has a significant influence on a disc drive’s total cost of ownership. Cheetah 10K.7 has an 0.62 percent AFR, the best in the industry.
 
Full Duty Cycle Reliability 
 		 The Cheetah 10K.7 is designed to have the highest reliability, even when in used in demanding applications around the clock, 365 days per year.
 
Background Media Scan
 		 Background Media Scan, a Seagate-exclusive feature, scans the media during drive idle time to preserve system bandwidth while enabling incipient errors to be corrected before data is lost.
 
Enhanced Error Correction Code
 		 Decreased bit error rate better maintains performance throughout the life of the drive and results in a lower probability of lost data.
 
Fluid Dynamic Bearing Motor
 		 No ball bearings means reduced acoustics and improved reliability.
 
Low Power and Cooling Requirements
 		 Further reduces cost of ownership
 
Distinctions
  • Cheetah 10K.7 is designed and manufactured by the same teams that delivered the past six award-winning generations of Cheetah.

9X2005-002

Drive specification

ST3146707LW

Formatted Gbytes (512 bytes/sector)*

146

Guaranteed sectors

 
286,749,488

Bytes per sector

512

Default sectors per track

789

Default read/write heads

4

Default cylinders

90,774

BPI

658

TPI

105,000

Areal density (Mbits/inch avg)

128,200

Spindle speed (RPM)

10,000

Internal data transfer rate (Mbytes/sec max)

470 to 944

Sustained transfer rate OD (Mbytes/sec)

78

I/O data transfer rate (Mbytes/sec max)

100

ATA data-transfer modes supported

PIO modes 0–4Multiword DMA modes 0–2Ultra DMA modes 0–5

Cache buffer

8 Mbytes

Height (max)

25.4mm (1.000 in)

Width (max)

101.6mm (4.000 in)

Length (max)

146.05mm (5.75 in)

Weight (max) grams

726

Average latency (msec)

3.0

Power-on to ready (typical)

15 sec

Standby to ready (typical)

15 sec

Track-to-track seek time (msec typical)

0.2 (read), 0.3 (write)

Average access read (msec typical)

4.7

Average access, write (msec typical)

5.3

Startup current (typical) 12V (peak)

1.89 amps

Typical Current 12V (peak)

0.42 amps

Startup current (typical) 5V (peak)

076 amps

Typical Current 5V (peak)

0.54 amps

 

 

AFR

0.62%

Voltage tolerance (including noise)

5V ± 5% 
12V ± 10%

 
Acoustics

3.3 bels

 

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