User guide

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6. actiDisk RDX Removable Hard Disk Storage

System Speciﬁ cations

6.1 General

Manufacturer actidata

Model Names actiDisk RDX-SATA, actiDisk RDX-USB-INT and actiDisk RDX-USB

Interface Type Internal SATA, Internal USB or External USB

6.3 Reliability

Unrecoverable error rate 1 error per 10^14 bits read

MTBF 550,000 hours

6.2 Performance

Characteristic RDX 80 GB RDX 120 GB RDX 160 GB RDX 320 GB RDX 500 GB

Media Media Media Media Media

Native capacity (GB) 80 120 160 320 500

Compressed capacity (GB) 160 240 320 640 1000

Average sustained

transfer rate (MBs/sec) SATA 30 MBps/USB 25 MBps

Burst transfer rate SATA 1.5 Gbps/USB 480 Mbps

Average access time (msec) 15

Function Removable disk drive

Command set • Packet command feature set, per ATA/ATAPI-7

• SCSI primary commands (SPC-2)

• SCSI block commands (SBC-2)

Logical block size 512 bytes

Supported ﬁ le systems ext2, ext3, FAT32 and NTFS*

Capacity and transfer rate will vary depending on the actiDisk RDX cartridge type used.

*NTFS is the default ﬁ le system on the cartridge.