Seagate ST3320820NS 320GB SATA Hard Disk Drives

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