User manual

INTRODUCTION
15
Internal PCI-Express RAID Card Comparison (ARC-12X1ML/1280)
1231ML 1261ML 1280ML 1280
RAID processor IOP341
Host Bus Type PCI-Express X8
RAID 6 support YES YES YES YES
Cache Memory One DDR2 DIMM (Default 256MB, Upgrade to 2GB)
Drive Support 12 * SATA ll 16 * SATA ll 24 * SATA ll 24 * SATA ll
Disk Connector 3*SFF-8087 4*SFF-8087 6*SFF-8087 24*SATA