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Specifications: Quantum Atlas 10K Hard Disk Drive User's Guide Back to Contents Page

Specifications: Quantum Atlas�10K Hard Disk Drive User's Guide

General � Performance � Internal Characteristics � Reliability � Electrical � Environmental � Power Dissipation � Mechanical Shock � Physical Characteristics

General

Manufacturer:

Quantum Corporation

Model number:

Atlas 10K

Interface:

SCSI 160/m

Capacity:

Model	Capacity	Total LBAs
Atlas 10K 9.1 GB SCSI	9.1 GB	17,783,249
Atlas 10K 18.2 GB SCSI	18.2 GB	35,566,499
Atlas 10K 36.4 GB SCSI	36.4 GB	71,132,998

NOTE: The formatted capacity of your hard disk drive may seem smaller than what you ordered because the operating system reports drive capacity assuming that 1 megabyte (MB) equals 1,048,576 (2^20) bytes while drive manufacturers consider 1 MB to equal 1,000,000 (10^6) bytes.

Performance

Rotational Speed:

10,000 RPM

Average Rotational Latency:

3.0 ms

Spin-up time to Ready (typical):

15 Seconds

Cache:

2 MB

Typical Seek time (without command overhead, including settling):

Activity	Specification
Track-to-Track	0.8 ms
Average Random Read	5.0 ms
Average Random Write	5.5 ms
Full Stroke	13.5 ms

Interface transfer rate (max.):

160 MB/Sec burst

Interleave Factor:

1:1

Internal Characteristics

Number of disks/heads:

Model	Disks	Heads
Atlas 10K 9.1 GB SCSI	3	6
Atlas 10K 18.2 GB SCSI	6	12
Atlas 10K 36.4 GB SCSI	12	24

Track Density:

13,060 tracks per inch

Bytes per sector

512

Reliability

Preventative Maintenance:

None Required

Non-recoverable read errors:

1 in 10^14 bits read

SMART compliant:

Yes

Electrical

Nominal Voltage:

+5 Vdc / +12 Vdc

Voltage Margin:

+5Vdc @+/- 5%, +12Vdc @ +/- 5%

Environmental

Operating Temperature:

5 to 55 degrees C

Operating Humidity:

10 to 90% RH (non-condensing)

Non-operating Temperature:

-40 to 70 degrees C

Non-operating Humidity:

5 to 95% RH (non-condensing)

Power Dissipation

	9.1 GB	18.2 GB	36.4 GB
Startup (Peak)	33.8W*	33.8W*	39W*
Idle	10.3W	10.3W	14.9W
40% Seek (ECMA)	13.7W	16.1W	21.8W
Standby	2.5W	2.5W	2.5W
Read/Write on Track	12.2W	12.2W	18.9W

*NOTE: Startup Peak Current measurements are performed based on a 2.5ms sampling rate. The Industry typical sampling rate is 20ms and therefore our Startup Peak power data will appear much higher than the Industry typical numbers.

EPA Energy Star Compliant:

Yes

Mechanical Shock

Operating (no data loss):

15G @ 11 ms (half-sine)

Non-operating (no data loss):

200G @ 2 ms (half-sine)

Physical Characteristics

	Atlas 10K 9.1 / 18.2 GB	Atlas 10K 36.4 GB
Height:	1.000" (25.4 mm)	1.630" (41.4 mm)
Width:	4.00" (101.6 mm)	4.00" (101.6 mm)
Depth:	5.75" (146.1 mm)	5.75" (146.1 mm)
Weight:	9.1 GB: 1.37 lbs. (0.6 kg) 18.2 GB: 1.45 lbs. (0.68 kg)	2.4 lbs. (1.09 kg)

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