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Applications

  • Digital video recorders (DVRs)
  • Home media servers

 

Seagate DB35.3 Series hard drives offer the industry’s most comprehensive feature set for the DVR environment. With capacities up to 250 GB, the DB35.3 Series drive delivers up to 250 hours of storage for standard television or 125 hours for high-definition content. These drives also enable services for high-definition video content—including standard time shifting, trickle-down recording and enhanced video on demand—for a more powerful media viewing experience. DB35.3 Series hard drives feature DynaPlay Technology™ to address many DVR-specific challenges such as power consumption, video streaming performance, acoustics and reliability. Built-in DriveTrust™ technology improves content security as part of a comprehensive digital rights management system.

Key Features and Benefits

  • 16-MB cache buffer
  • Multiple-stream recording capability—up to 10 television streams at once
  • Up to 750 hours of storage for standard television or 140 hours for high-definition content
  • Operating acoustics as low as 2.7 bels for near-silent operation
  • Unmatched reliability for extended system field life


 

Resources:

DB35.3 Series™ SATA 3Gb/s 320-GB Hard Drive

ST3320820SCE

Specifications
Model Number ST3320820SCE
Interface SATA 3Gb/s
Cache 8MB
Capacity 320GB
Guaranteed Sectors 625,142,448
Number of pins on the I/O connector 22
PHYSICAL
Height 26.1mm (1.028 in)
Width 101.6mm (4.010 in)
Length 146.99mm (5.787 in)
Weight (typical) 580g (1.28 lb)
COMPLIANCE
European Union Restriction of Hazardous Substances Y
PERFORMANCE
Spindle Speed 7200 RPM
Native Command Queuing Y
Sustained data transfer rate 72Mb/s
Average latency 4.16ms
Random read seek time <11.0ms
Random write seek time <12.0ms
I/O data transfer rate 300MB/s
Unrecoverable read errors 1 in 1014
RELIABILITY
Annual Failure Rate 0.68 %
POWER
Average idle power 9.30W
Average seek power 9.40W
Standby power 0.80W
Sleep power 0.80null
Maximum start current, DC 2.00
ENVIRONMENT
Ambient Temperature
Operating 0°–60°C
Nonoperating -40°–70°C
Maximum operating temperature change 20°C per hour
Maximum nonoperating temperature change 30°C per hour
Maximum operating case temperature 75°C
Relative Humidity
Operating 5 to 90%
Nonoperating 5 to 95%
Maximum allowable humidity change 30 per hour
Altitude
Operating altitude -60.96m–3,048m(-200 ft–10,000 ft)
Nonoperating altitude null(-200 ft–40,000 ft)
Shock
Operating Shock (max) 63 Gs for 2ms
Nonoperating Shock (max) 350 Gs for 2ms
Vibration
Operating vibration 0.25Gs at 5-22Hz
Nonoperating vibration 0.25Gs at 5-22Hz
ACOUSTICS
Acoustics (Idle Volume) 2.7 bels
Acoustics (Seek Volume) 2.9 bels

Useful Links:

Find installation, troubleshooting and other support information for the DB35.3 Series hard drive.