| 
				 Hard Disk Model  | 
			
				 SEAGATE ST500LM021  | 
		
| 
				 Disk Family  | 
			
				 Laptop Thin 500LM021  | 
		
| 
				 Form Factor  | 
			
				 2.5"  | 
		
| 
				 Capacity  | 
			
				 500 GB  | 
		
| 
				 Number Of Disks  | 
			
				 1  | 
		
| 
				 Number Of Heads  | 
			
				 2  | 
		
| 
				 Rotational Speed  | 
			
				 7200 RPM  | 
		
| 
				 Rotation Time  | 
			
				 8.33 ms  | 
		
| 
				 Average Rotational Latency  | 
			
				 4.17 ms  | 
		
| 
				 Disk Interface  | 
			
				 Serial-ATA/600  | 
		
| 
				 Buffer-Host Max. Rate  | 
			
				 600 MB/seconds  | 
		
| 
				 Buffer Size  | 
			
				 32768 KB  | 
		
| 
				 Drive Ready Time (typical)  | 
			
				 3.5 seconds  | 
		
| 
				 Average Seek Time  | 
			
				 11 ms  | 
		
| 
				 Track To Track Seek Time  | 
			
				 1.5 ms  | 
		
| 
				 Width  | 
			
				 69.85 mm  | 
		
| 
				 Depth  | 
			
				 100.35 mm  | 
		
| 
				 Height  | 
			
				 6.8 mm  | 
		
| 
				 Weight  | 
			
				 95 grams  | 
		
| 
				 Acoustic (Idle)  | 
			
				 2.3 Bel  | 
		
| 
				 Acoustic (Min performance and volume)  | 
			
				 2.5 Bel  | 
		
| 
				 Acoustic (Max performance and volume)  | 
			
				 3.0 Bel  | 
		
| 
				 Required Power For Spinup  | 
			
				 1200 mA  | 
		
| 
				 Power Required (Seek)  | 
			
				 2.4 W  | 
		
| 
				 Power Required (Idle)  | 
			
				 1.2 W  | 
		
| 
				 Power Required (Standby)  | 
			
				 0.36 W  | 
		
| 
				 Manufacturer  | 
			
				 Seagate Technology  | 
		
	