ST9320421ASG product summary
SEAGATE 320GB 2.5IN SATA300 7200RPM HDD
- Manufacturer
- Seagate
- Interface Group
- SATA
- Interface
- SATA300
- Physical Size
- 2.5in
- Capacity
- 320GB
- Speed
- 7,200RPM
Seagate ST9320421ASG 320GB SATA Hard Disk Drives
Part Specific Options
This part has the following options to purchase.
- Refurbished
- Call for stock
- 9GEG44-300
- Refurbished
- Call for stock
- 9GEG44-500
- Refurbished
- Call for stock
- 9GEG44-740
- Refurbished
- Call for stock
- 9GEG44-999
- Refurbished
- Call for stock
ST9320421ASG product details
Seagate Momentus 7200.3 320GB 2.5" Serial ATA
The Seagate® Momentus® 7200.3 laptop hard drive delivers industry-leading 7,200-RPM performance while offering the industry’s lowest power consumption levels. Available with G-Force Protection™ for added robustness and durability, the Momentus 7200.3 drive can withstand even the most serious of drops that can happen in a mobile environment. Available with 16 MB of cache and a SATA 3-Gb/s NCQ interface, the Momentus 7200.3 hard drive is perfect for performance laptops, workstations and small form factor desktop systems. Key Advantages - Highest available notebook performance increases productivity in all environments - Developed with proven Seagate 7,200-RPM laptop technology - Available in capacities of 320, 250, 160, 120 and 80 GB - SATA 3-Gb/s NCQ interface - 16-MB cache on every capacity - G-Force Protection™ available for added robustness in mobile environments - Green features: -- Leverages Seagate laptop power management technology, delivering the lowest-power 7,200-RPM laptop hard drive to date -- Uses ramp load features that remove the head from the disc during idle periods, improving idle power consumption and adding to the durability of the drive - QuietStep™ ramp load technology enables ultra-quiet load/unload acoustics - Perpendicular recording technology Best-fit Applications - Performance laptops - Workstations - Small form factor PCs
Features
- Average latency
- 4.17 ms
- Bytes per sector
- 512
- Component for
- Notebook
- HDD capacity
- 320 GB
- HDD number of heads
- 4
- HDD size
- 2.5"
- HDD speed
- 7200 RPM
- Interface
- Serial ATA
- Mean time between failures (MTBF)
- 500000 h
- Read seek time
- 11 ms
- Start/stop cycles
- 600000
- Storage drive buffer size
- 16 MB
- Type
- HDD
- Write seek time
- 13 ms
Operational conditions
- Non-operating shock
- 1000 G
- Operating shock
- 350 G
- Operating temperature (T-T)
- 0 - 60 °C
- Storage temperature (T-T)
- -40 - 70 °C
Other features
- Acoustic pressure emissions
- 2.3 dB
- Data transfer rate
- 3 Gbit/s
- Disks included quantity
- 2 pc(s)
- Drive device, transfer rate
- 80 MB/s
- Internal
- Y
- Maximum data transfer rate
- 300 Mbit/s
Power
- Operating voltage
- 5 V
- Power consumption (idle)
- 0.75 W
- Power consumption (read)
- 2.1 W
- Power consumption (standby)
- 0.21 W
- Power consumption (write)
- 2.1 W
- Start-up current
- 1 A
Weight & dimensions
- Depth
- 100.5 mm
- Height
- 9.5 mm
- Weight
- 110 g
- Width
- 69.8 mm