Samsung Spinpoint F1 HD642JJ 640GB 3.5" 7200 RPM 16MB Cache SATA 3GB/s Internal HDD Hard Disk Drive HD642JJ/D.

Samsung Model Number: HD642JJ
HDD Part Number: HD642JJ/D
Dell Part Number: D097D 0D097D CN-0D097D
Compatible Part Numbers: 49273-A14A-A



 



Specifications:
 
Disk Family Spinpoint F1
Form Factor 3.5"
Capacity 640 GB (640 x 1 000 000 000 bytes)
Number Of Disks 2
Number Of Heads 4
Rotational Speed 7200 RPM
Rotation Time 8.33 ms
Average Rotational Latency 4.17 ms
Disk Interface Serial-ATA/300
Buffer-Host Max. Rate 300 MB/seconds
Buffer Size 16384 KB
Drive Ready Time (typical) 12 seconds
Average Seek Time 8.9 ms