Seagate U-series 20GB HDD 3.5" Ultra-ATA/100
U Series X delivers a cost-efficient design and the industry's best value combination of performance, acoustics and reliability. Designed from start-to-finish using Six Sigma practices, U Series X exhibits extreme reliability, whisper-quiet acoustics and best-in-class performance.
- Average seek time
- 12.7 ms
- Bytes per sector
- 512
- Full stroke seek time
- 42 ms
- HDD capacity
- 20 GB
- HDD number of heads
- 1
- HDD size
- 3.5"
- HDD speed
- 5400 RPM
- Interface
- Ultra-ATA/100
- Mean time between failures (MTBF)
- 600000 h
- Read seek time
- 18 ms
- SMART technology
- Y
- Start/stop cycles
- 50000
- Storage drive buffer size
- 2 MB
- Track to track seek time
- 1.2 ms
- Type
- HDD
- Write seek time
- 24.9 ms
- Non-operating altitude
- -121.92 - 12192 m
- Non-operating shock
- 350 G
- Non-operating vibration
- 5 G
- Operating altitude
- -60.96 - 3048 m
- Operating relative humidity (H-H)
- 5 - 90%
- Operating shock
- 63 G
- Operating temperature (T-T)
- 0 - 60 °C
- Operating vibration
- 0.5 G
- Storage relative humidity (H-H)
- 5 - 95%
- Storage temperature (T-T)
- -40 - 70 °C
- Operating voltage
- 5 / 12 V
- Power consumption (idle)
- 4.5 W
- Power consumption (read)
- 5.5 W
- Power consumption (standby)
- 1.2 W
- Power consumption (typical)
- 6 W
- Power consumption (write)
- 5.5 W
- Depth
- 147 mm
- Height
- 20 mm
- Weight
- 455 g
- Width
- 101.9 mm