SATA Hard Drives
Bytes per sector (STD) 512
Form factor 2.5-inch
Interface SATA 1.5 Gb/s
Interface (320 GB only) SATA 3 Gb/s
RoHS compliant Yes
EIDE Hard Drives
Bytes per sector (STD) 512
Form factor 2.5-inch
Interface 44-pin EIDE
RoHS compliant Yes
Performance Specifications
SATA Hard Drives
Average latency 5.5 ms
Cache
Read Adaptive
Write Yes
Data transfer rate
Buffer to disk 933 Mbits/s (maximum)
Buffer to host 1.5 Gb/s (maximum)
Buffer to host (320 GB only) 3 Gb/s (maximum)
Drive ready time 4.0 sec (average)
Error rate (non-recoverable) <1 in 1014 bits read
Rotational speed 5400 RPM
Load/unload cycles 600,000
EIDE Hard Drives
Average latency 5.5 ms
Cache
Read Adaptive
Write Yes
Data transfer rate (buffer to host)
Mode 5 Ultra ATA4 100 MB/s
Mode 4 Ultra ATA4 66.6 MB/s
Mode 2 Ultra ATA4 33.3 MB/s
Mode 2 Ultra DMA4 16.6 MB/s
Mode 4 Ultra PIO4 16.6 MB/s
Buffer to disk 600 Mbits/s (maximum)
Drive ready time 4.0 sec (average)
Error rate (non-recoverable) <1 in 1014 bits read
Rotational speed 5400 RPM
Load/unload cycles 600,000