Freecom SCSI LTO-4 HH 800-1600GB Drive 30778 产品宣传页

Native capacity/transfer rates quoted unless otherwise stated. All brand and product names are
trademarks or registered trademarks of their respective companies. Technical information is subject to
change without notice. Copyright © 2006 Hewlett-Packard Company. All rights reserved.

Specifications

Capacity

800GB native, typically 1.6TB with hardware data compression

Recording format

Logical recording format:

LTO Ultrium 4, LTO Ultrium 3 and LTO Ultrium 2 (read)

Recording technology:

16 channel PRML linear serpentine recording on half-inch

tape media

Performance

Data compression:

LTO-DC dual mode compression (enhanced version of ALDC)

Memory buffer:

128MB

Data rate matching

Dynamically variable adaptive tape speed to match host 

data rate from 26-60MB/sec (native)

Interface:

3Gbps Serial Attach SCSI (SAS)

Ultra320 SCSI (LVD)

Sustained transfer rate:

Up to 80MB/sec native (288GB/hr)

Up to 160MB/sec compressed (576GB/hr)

Burst transfer rate:

300 MB/s

Data access speed:

70 seconds typical from beginning of media

Tape speed:

5.0 metres per second (rewind speed)

Media

LTO Ultrium 4 1.6TB (compressed) data cartridge

Reliability

MTFB:

250,000 hours at 100% duty cycle

Corrected error rate:

1 in 1 x 10 17 bits read

Loading mechanism:

Powered load with precision eject

Head life:

60,000 hours

Power requirements

Idle:

13 Watts

Typical:

20 Watts

Maximum:

33 Watts

Power supply/required (int):

5V DC, 2.5A; 12V, 0.7A

Temperature

Temperature range:

Operating: 50° F to 95° F (10° C to 40° C) 
at a minimum of 6CFM airflow
Storage: -40° F to 151° F (-40° C to 66° C)

Non-condensing
humidity range:

Operating: 20 to 80% RH (non-condensing)
Storage: 10 to 95% RH (non-condensing)

Standards Compliance

CSA Certification to C22.2, No.60950 (cCSAus), 
TÜV EN60950 (IEC 60950), CE Declaration of Conformity,
FCC 47 CFR Parts 15, NOM, VCCI, C-TICK, RRL, BSMI,
GOSH CB Certificate and Report (IEC 60950)

Physical characteristics

Form factor:

5.25-inch wide, half-height

Dimensions (h x w x d):

1.6 x 5.7 x 8.1 inches (4.1 x 14.5 x 20.6 cm)

Weight:

3.2 lbs (1.45 KG)

Ordering information

EB665A 

HP LTO Ultrium 4 half-height SAS tape drive (generic internal)

EB666A

HP LTO Ultrium 4 half-height SAS tape drive (generic external)

EB655A

HP LTO Ultrium 4 half-height SCSI tape drive (generic internal)

EB656A

HP LTO Ultrium 4 half-height SCSI tape drive (generic external)

EB668A

HP LTO Ultrium 4 half-height SCSI tape drive (automation)

C7974A 

HP LTO Ultrium 1.6TB (compressed) RW data cartridge

C7974W 

HP LTO Ultrium 1.6TB (compressed) WORM data cartridge

Key features and benefits

• High Value: High capacity combined 

with low media and drive cost delivers 
an exceptionally low cost of ownership.

• Compact: Half-height form factor saves 

space and fits in a wide variety of servers, 
workstations and autoloaders.

• Dependable: Incorporates high reliability 

in a robust drive with high standards of 
data integrity.

• Backup more data in less time: HP’s fastest 

half-height LTO Ultrium drive with 288GB per
hour transfer rate and 800GB per cartridge
capacity. Performance optimized and aided by
HP’s unique dynamic Data Rate Matching feature.

• Well connected: Compatible with leading 

operating systems, backup software and servers.

• Investment protection: Backward read and 

write compatible with LTO Ultrium 3 media, 
and read only with LTO Ultrium 2 media. Delivers
compelling migration path that will double in
capacity every generation.

HP LTO Ultrium4 Tape Drive – Half-height

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