Disco Duro 640GB 16MB Sata 3.5" Samsung HD642JJ

Capacity: 640 GB
Interface: Serial ATA 3.0Gbps
Buffer DRAM Size: 16 MB
Byte per Sector: 512 bytes
Rotational Speed: 7.200 RPM
Performance Specifications Average Seek time(typical): 8.9 ms
Average Latency: 4.17 ms
Data Transfer Rate / Media to/from Buffer(Max.): 175 MB/sec
Data Transfer Rate / Buffer to/from Host(Max.): 300 MB/sec
Drive Ready Time(typical): 12 sec