Freecom SCSI LTO-4 HH 800-1600 GB Drive 31683 产品宣传页

HP LTO Ultrium 4 Tape Drive – Half-height

•

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 by unique

dynamic Data Rate Matching feature.

• Security: AES 256 hardware data encryption 

helps prevent unauthorized access of data on 

cartridges that leave the data center and 

eliminates need to purchase and manage 

additional devices 

• Well connected: Compatible with leading

operating systems, backup software

and servers.

• Investment protection: Backward 

compatible with LTO Ultrium 2 & 3 media. 

Delivers compelling

migration path that will double in capacity

every generation.

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 33-80MB/sec (native)

Interface: 

3Gbps Serial Attach SCSI (SAS)

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 meters per second (rewind speed)

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)

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)

C7974A: 

HP LTO Ultrium 1.6TB (compressed) RW data cartridge

C7974W: 

HP LTO Ultrium 1.6TB (compressed) WORM data cartridge

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 © 2008 Hewlett-Packard Company. All rights reserved

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