Seagate Momentus 5400.5 ST9320320AS 320GB 5.4K SFF 2.5" SATA Hard Disk Drive

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Seagate Part #/MPN: ST9320320AS

DiscTech Item #: SGT-ST9320320AS-RF-OE-DEL


Capacity: 320GB

Speed: 5,400RPM

Interface Types: SATA

Form Factor: 2.5inx9mm Fits Most laptops

Sector Size: 512 / 512e

Sustained Throughput: 116

Average Seek Time: 12

Electrical Interface: SATA 300 - 3.0Gbps

On-Board Cache: 8MB

Performance Specifications
Rotational Speed5,400 RPM (nominal)
Buffer Size8 MB
Average Latency5.50 ms (nominal)
Seek Times
Read Seek Time12.0 ms
Track-To-Track Seek Time2.0 ms (average)
Transfer Rates
Buffer To Host (Serial ATA)3.0 Gb/s (Max)
Transfer Rate (Buffer To Disk)600 Mbits/s (Max)
Physical Specifications
Formatted Capacity320,072MB
Capacity320 GB
InterfaceSATA 3.0 Gb/s
Physical Dimensions
Height0.374 Inches ±0.008 inch
Length3.94 Inches ±0.010 inch
Width2.75 ±0.010 inch
Weight0.22 Pounds
Height9.5 mm ±0.20 mm
Length100.2 ±0.25 mm
Width69.85 ±0.25 mm
Weight0.117 kg
Environmental Specifications
Idle Mode24 dBA (average)
Seek Mode 026 dBA (average)
Temperature (English)
Operating32° F to 140° F
Non-operating-40° F to 149° F
Temperature (Metric)
Operating0° C to 60° C
Non-operating-40° C to 65° C
Operating8-90% RH non-condensing
Non-operating5-95% RH non-condensing
Altitude (English)
Operating-1,000 feet to 10,000 feet
Non-operating-1,000 feet to 40,000 feet
Electrical Specifications
Current Requirements
Read/Write500 mA
Idle400 mA
Standby50 mA
Sleep20 mA
Power Dissipation
Read/Write2.50 Watts
Idle0.85 Watts
Standby0.25 Watts
Sleep0.10 Watts

Click here to view the manufacturer's item description/brochure

Alternate MPNs: N234F 0N234F

Weight: 1 lb

Warranty: 1 Year DiscTech


Condition Levels Explained

The product has been built, rebuilt or repaired at the original manufacturer's factory (Note we NEVER sell 3rd party repaired items, as we do not find them to be reliable enough). Often these products are extremely close to new in condition, except that they contain at least one recycled or repaired component. Failure rates are often lower on these devices since they have been far more thoroughly tested than new items. Watch a video about our refurbishing process

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty

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