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General Tech |
MapInfo / GIS |
Oracle / Database |
Misc / Useless |
| Connection Type | Speed | Max. Distance | Scalability (devices per cable or channel) |
|---|---|---|---|
| SCSI-1 | 5 MBps | 10 meters | 7 |
| Ultra Wide SCSI-2 | 80 MBps | 3 meters (differential SCSI up to 25 meters) | 7-15 or 3 channels to 45 |
| Ultra SCSI-3 | 100 MBps | 3 meters (differential SCSI up to 25 meters) | 7-15 or 3 channels to 45 |
| Fibre Channel | 1.06 Gbps (800 Mbps after overhead) or 200 MBps for full duplex connection | 10 kilometers | 127 |
| Device Type | Total Storage Size |
|---|---|
| CD-ROM | 0.65GB |
| DVD | 4.7GB |
| 1024 bytes | 1 Kilobyte (K) |
| 1024 kilobytes | 1 Megabyte (MB) |
| 1000 Megabytes | 1 Gigabyte (GB) |
| 1000 Gigabytes | 1 Terabyte (TB) |
| 1000 Terabytes | 1 Petabyte (PB) |
| 1000 Petabytes | 1 Exabyte (EB) |
| 1000 Exabytes | 1 Zettabyte (ZB) |
| 1000 Zettabytes | 1 Yottabyte (YB) |
| Volume/Partition Size | FAT16 Cluster Size | FAT32 Cluster Size |
|---|---|---|
| up to <128MB | 2K | N/A |
| 128MB to <256MB | 4K | N/A |
| 256MB to <512MB | 8K | N/A |
| 512MB to <1024MB | 16K | 4K |
| 1024MB to <2048MB | 32K | 4K |
| 2048MB to <8GB | N/A | 4K |
| 8GB to <16GB | N/A | 8K |
| 16GB to <32GB | N/A | 16K |
| 32GB or more | N/A | 32K |
