The most extreme X99 motherboard with 8 SAS3 connectors: 18 x SATA3 (8 x SAS3 12.0 Gb/s + 10 x SATA3 6.0 Gb/s) from LSI SAS 3008 Controller 4-Way SLI™ & 4-Way CrossFireX™ (x16) supported by 2 embedded PLX 8747 bridges ASRock Super Alloy - XXL Aluminum Alloy Heatsink - Premium 60A Power Choke - Premium Memory Alloy Choke - Ultra Dual-N MOSFET (UDM) - Nichicon 12K Platinum Caps - Sapphire Black PCB Supports Intel® Core™ i7 and Xeon® 18-Core Processors Family for the LGA 2011-3 Socket Digi Power, 12 Power Phase design Supports Quad Channel DDR4 3200+(OC), with maximum capacity up to 128GB Supports DDR4 UDIMM ECC*, RDIMM Memory (*ECC is supported with Intel® Xeon® processors.) 5 PCIe 3.0 x16, 2 embedded PLX PEX 8747 7.1 CH HD Audio with Content Protection (Realtek ALC1150 Audio Codec), Supports Purity Sound™ 2 & DTS Connect Intel® Dual Gigabit LAN with Teaming Function 10 SATA3, 8 SAS3, 2 eSATA, 2 Ultra M.2 (PCIe Gen3 x4 & SATA3) 8 USB 3.0 (4 Front, 4 Rear), 8 USB 2.0 (4 Front, 4 Rear) 1 COM Port Header Supports ASRock HDD Saver Technology, Full Spike Protection, APP Shop