Acer Network Device Altos R520 - Manual (Page 14)

1 System tour 4
• For SATA models, the embedded SATA controller support
- Passive mid-plane board
- Six onboard SATA connectors
- Up to six hot-plug 2.5” SATA hard disk drives
- Intel Embedded Server RAID Technology capable of SATA
software RAID levels:
• For SAS models, the embedded SAS controller support
- Active mid-plane board
- Up to eight hot-plug 2.5” SAS hard disk drives
- Intel Embedded Server RAID Technology capable of SAS
software RAID levels:
- Provides optional hardware RAID support through
installation of a RAID activation key and a RAID cache on
the mid-plane board. The SAS hardware RAID levels
1
supported include:
Note: The active mid-plane board provides a 244-pin mini-DIMM
connector, supporting a single registered ECC non-parity DDR2-
400 MHz mini-DIMM to provide RAID cache. To protect from data
loss in the RAID cache in the event of power failure, you can also
install a RAID BBU.
• RAID 0 • RAID 10
• RAID 1 • RAID 5 (optional)
• RAID 0 • RAID 10
• RAID 1
1 Supported when available.
• RAID 0
• RAID 6
1
• RAID 1 • RAID 10
• RAID 5 • RAID 50