Quantum Fireball ST 1.6 2.1 3.2 4.3 6.4
Form Factor 3.5 inch (low profile)
Interface Ultra ATA Ultra SCSI-3 Ultra ATA
Ultra SCSI-3
Ultra ATA
Ultra SCSI-3
Ultra ATA
Ultra SCSI-3
Formatted Capacity (MB1 ) 1,614 2,111 3,228 4,310 6,448
Disk Drive Configuration
Recording Surfaces 2 3 4 6 8
AT Logical
  Cylinders
  Heads
  Sectors
 
3,128
16
63
 
N/A
N/A
N/A
 
6,256
16
63
 
14,848
9
63
 
13,328
15
63
Performance Specifications
Typical Seek Times2 (ms)
  Average
  Track-to-Track
  Full Stroke
Average Rotational Latency (ms)
Rotational Speed (RPM)
Internal Data Rate (Mb/sec)
Data Transfer Rates (Buffer-to-Host)
  ATA (MB/sec)
    PIO Mode 4 (MB/sec)
    DMA Mode 2 (MB/sec)
    Ultra DMA/33
  Ultra SCSI-3 (MB/sec)
Buffer Size (KB)
Typical Power On to Drive Ready (sec)
 
<10
2
20
5.56
5,400
Up to 132
 
 
16.6
16.6
33.3
20
128
15
Reliability Specifications
Start/Stop Cycles (ambient)
Nonrecoverable Data Errors
Warranty3 (years)
40,000
<10 per 1015 (per bits read)
3
Physical Specifications
Dimensions-inches (mm)
  Width
  Length
  Height
Weight-pounds (kg)
 
4.00 (101.6)
5.75 (146.1)
1.00 (25.4)
<1.2 (<0.55)
Environmental Limits
Operating
  Temperature (oC)
  Non-Condensing Humidity (%)
  Shock (G, 11 ms)
  Vibration (G)
  Altitude (ft.)
Non-Operating
  Temperature (oC)
  Non-Condensing Humidity (%)
  Shock (G, 11 ms)
  Vibration (G)
  Altitude (ft.)
Idle Sound (typ)
 (Quantum Fireball ST 6.4)
  Pressure (dBA)
  Power (bels)
 
5 to 55
5 to 85
10
1   (5 to 300 Hz, peak-to-peak)
-650 to 10,000
 
-40 to 65
5 to 95
70
2   (5 to 300 Hz, peak-to-peak)
-650 to 40,000
 
 
32
3.8
Power Specifications
Nominal Voltage (V)
Voltage Margin (%)
Typical Power Draw (W)
 (Quantum Fireball ST 6.4)
  Standby/Sleep
  Idle
  Operating4
Peak Current (mA on +5/+12V)
+ 5 / + 12
▒ 5 / ▒ 10
 
 
1.0
6.0
11.0
700 / 1,700

1 Quantum defines a megabyte (MB) as 106 or 1,000,000 bytes.
2 Seek times are at nominal conditions and include settling.
3 This warranty is standard when products are purchased directly through authorized Quantum distributors/dealers. Unless otherwise agreed, a one-year warranty is provided to all OEMs purchasing directly from Quantum. End-user warranties provided by computer manufacturers may vary.
4 Operating is defined as 40% seeking, 30% reading, 10% writing, and 20% idle.

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