Chapter 1 Introduction
Thank you for purchasing ASRock X299 Killer SLI/ac motherboard, a reliable
motherboard produced under ASRock's consistently stringent quality control.
It delivers excellent performance with robust design conforming to ASRock's
commitment to quality and endurance.
Because the motherboard specifications and the BIOS software might be updated, the
content of this documentation will be subject to change without notice. In case any modi-
fications of this documentation occur, the updated version will be available on ASRock's
website without further notice. If you require technical support related to this mother-
board, please visit our website for specific information about the model you are using. You
may find the latest VGA cards and CPU support list on ASRock's website as well. ASRock
website http://www.asrock.com.
1.1 Package Contents
• ASRock X299 Killer SLI/ac Motherboard (ATX Form Factor)
• ASRock X299 Killer SLI/ac Quick Installation Guide
• ASRock X299 Killer SLI/ac Support CD
• 1 x I/O Panel Shield
• 1 x ASRock SLI_HB_Bridge_2S Card (Optional)
• 1 x ASRock 3-Way SLI-2S1S Bridge Card (Optional)
• 4 x Serial ATA (SATA) Data Cables (Optional)
• 2 x ASRock WiFi 2.4/5 GHz Antennas (Optional)
• 3 x Screws for Ultra M.2 Sockets (Optional)
X299 Killer SLI/ac
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