Seagate Barracuda 320GB Internal Desktop Hard Drive
Seagate Barracuda 320GB 3.5" Internal Desktop Hard Drive ST320DM000
SKU: SE320DM000 MFR: ST320DM000
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The Seagate ST320DM000 Barracuda 320GB SATA hard drive gives you the Power of One, one hard drive platform for every desktop storage application and one drive with trusted performance, reliability and simplicity and capacity. This 320GB Seagate Barracuda hard drive also features Seagates internal technology that packs 340,000 hard drive tracks into the width of a single inch, this means that, when reading and writing data, the read/write head needs to accurately follow a track that is a mere 75 nanometers wide. That's about 500 times smaller than the full stop at the end of this sentence.
- Double your capacity and drive down costs with the industry's first 1TB-per-disk hard drive technology
- 320GB capacity with 7200-RPM performance
- SATA 6Gb/s interface optimizes burst performance
- Seagate AcuTrac servo technology delivers dependable performance, even with hard drive track widths of only 75 nanometers
- Seagate OptiCache technology boosts overall performance by as much as 45% over the previous generation
- Seagate SmartAlign technology provides a simple, transparent migration to Advanced Format 4K sectors
- Seagate DiscWizard software allows you to install a 320GB hard drive in Windows, including XP, without UEFI BIOS
| Interface |
SATA 6Gb/s NCQ |
| Spindle Speed (RPM) |
7200 |
| Cache, Multisegmented (MB) |
16 |
| SATA Transfer Rates Supported (Gb/s) |
6.0/3.0/1.5 |
| Seek Average, Read (ms) |
<11 |
| Seek Average, Write (ms) |
<12 |
| Average Data Rate, Read/Write (MB/s) |
125 |
| Max Sustained Data Rate, OD Read (MB/s) |
144 |
| Heads/Disks |
2/1 |
| Bytes per Sector |
4096 or 512 |
| Voltage Tolerance, Including Noise (5V) |
+10%/-5.0% |
| Voltage Tolerance, Including Noise (12V) |
+10%/-7.5% |
| Contact Start/Stop Cycles |
50,000 |
| Nonrecoverable Read Errors per Bits Read |
Max: 1 per 10E14 |
| Annualized Failure Rate (AFR) |
<1% |
| Power-On Hours |
2400 |
| Startup Power (A) |
2 |
| Operating Mode, Typical (W) |
6.19 |
| Idle Average (W) |
4.6 |
| Standby Mode (W) |
0.79 |
| Sleep Mode (W) |
0.79 |
| Operating Temperature |
60 deg.C |
| Nonoperating Temperature |
-40 deg.C to 70 deg.C |
| Dimensions (H x W x D) |
19.98 x 101.6 x 146.99 mm / 0.787 x 4.0 x 5.787" |
| Weight |
415 g / 0.92 lbs |
