Mainboard ASRock X99 Extreme4

Supported CPU

Memory

Expansion Slots

3 x PCI Express 3.0 x16 Slots (PCIE1 @ x16 mode; PCIE3 @ x16 mode; PCIE5 @ x8 mode)*
*If you install CPU with 28 lanes, PCIE1/PCIE3/PCIE5 will run at x16/x8/x4.

1 x PCI Express 2.0 x16 Slot (PCIE2 @ x4 mode)

1 x PCI Express 2.0 x1 Slot

Storage Devices

10 x SATA 6Gb/s

1 x Ultra M.2 Socket, supports M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s)

RAID 0, RAID 1, RAID 5, RAID 10 and Intel Rapid Storage 13

Onboard Audio

1 x PS/2 Mouse Port
1 x PS/2 Keyboard Port

1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)

4 x USB 3.0 Ports (Supports ESD Protection (ASRock Full Spike Protection))

4 x USB 2.0 Ports (Supports ESD Protection (ASRock Full Spike Protection))

1 x eSATA Connector

1 x Optical

HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone

Internal I/O Connectors

2 x USB 3.0 + 4 x USB 2.0

1 x COM Port Header
1 x TPM Header
1 x Power LED Header
2 x CPU Fan Connectors (1 x 4-pin, 1 x 3-pin)
3 x Chassis Fan Connectors (1 x 4-pin, 2 x 3-pin) (Smart Fan Speed Control)
1 x Power Fan Connector (3-pin)
1 x 24 pin ATX Power Connector
1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
1 x HDD Saver Connector
1 x PCIe Power Connector
1 x Front Panel Audio Connector
1 x Thunderbolt AIC Connector