ST3320820NS product summary
SEAGATE 320GB 3.5TH SATA300 7200RPM HDD
- Manufacturer
- Seagate
- Interface Group
- SATA
- Interface
- SATA300
- Physical Size
- 3.5in x 25mm
- Capacity
- 320GB
- Speed
- 7,200RPM
Seagate ST3320820NS 320GB SATA Hard Disk Drives
Part Specific Options
This part has the following options to purchase.
- Refurbished
- Call for stock
- 118032549
- Refurbished
- Call for stock
- 9BL13G-303
- Refurbished
- Call for stock
- ST3320820NS
- Refurbished
- Call for stock
ST3320820NS product details
Seagate Desktop HDD Barracuda 320GB Serial ATA II
These drives provide the following key features: - 7,200 RPM spindle speed. - High instantaneous (burst) data-transfer rates (up to 300 Mbytes per second). - Perpendicular recording technology provides the drives with increased areal density. - State-of-the-art cache and on-the-fly error-correction algorithms. - Native Command Queueing with command ordering to increase performance in demanding applications. - Full-track multiple-sector transfer capability without local processor intervention. - Quiet operation. - SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns. - Support for S.M.A.R.T. drive monitoring and reporting. - Supports latching SATA cables and connectors.
Features
- Average latency
- 4.16 ms
- Bytes per sector
- 512
- HDD capacity
- 320 GB
- HDD number of cylinders
- 16383
- HDD number of heads
- 4
- HDD speed
- 7200 RPM
- Interface
- Serial ATA II
- Read seek time
- 0.8 ms
- Storage drive buffer size
- 8 MB
- Write seek time
- 1 ms
Operational conditions
- Non-operating altitude
- -60.96 - 12.192 m
- Non-operating shock
- 350 G
- Non-operating vibration
- 5–22Hz: 0.25Gs, 22–350Hz: 5.0Gs, 350–500Hz: 1.0Gs
- Operating altitude
- -60.96 - 3.048 m
- Operating relative humidity (H-H)
- 5 - 90%
- Operating shock
- 63 G
- Operating temperature (T-T)
- 5 - 55 °C
- Operating vibration
- 5–22Hz: 0.25Gs, 22–350Hz: 0.50Gs, 350–500Hz: 0.25Gs
- Storage relative humidity (H-H)
- 5 - 95%
- Storage temperature (T-T)
- -40 - 70 °C
Other features
- Drive devices burst data transfer rate (PIO)
- 0-4
- Drive devices burst data transfer rate (Ultra DMA)
- 0-6
- Internal
- Y
- Maximum data transfer rate
- 1030 Mbit/s
- Recording density
- 781 kbit/inch
- Sustained data rate
- 72 MB/s
- USB powered
- N
Power
- Operating voltage
- 5 V
- Start-up current
- 2.8 A
Weight & dimensions
- Depth
- 147 mm
- Height
- 26.1 mm
- Weight
- 635 g
- Width
- 101.6 mm