QSAN XS5324D_8C Dual-Controller SAN System, Max 512GB RAM, 8-ported 10GbE SFP+ iSCSI with optical transceivers x 4, redundant power supply, redundant fan module, 4 slots for optional host cards, rail kit 8,192 LUNs (max), 2048 iSCSI host (max), 8,128 snapshots (max), local clone, async. remote replicaiton, thin provisioning, SSD cache (optional), auto-tiering w/ 3-tier (optional), sync. remote replication (optional)