Chapter 1 Introduction
ank you for purchasing ASRock Fatal1ty X399 Professional Gaming Series
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.
1.1 Package Contents
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ASRock Fatal1ty X399 Professional Gaming Series Motherboard (ATX Form Factor)
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ASRock Fatal1ty X399 Professional Gaming Series Quick Installation Guide
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ASRock Fatal1ty X399 Professional Gaming Series Support CD
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1 x I/O Panel Shield
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4 x Serial ATA (SATA) Data Cables (Optional)
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1 x ASRock 3-Way SLI Bridge Card (Optional)
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1 x ASRock 4-Way SLI-S111 Bridge Card (Optional)
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1 x ASRock SLI_HB_Bridge_3S Card (Optional)
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2 x ASRock WiFi 2.4/5 GHz Antennas (Optional)
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3 x Screws for M.2 Sockets (Optional)
Because the motherboard specications and the BIOS soware might be updated, the
content of this documentation will be subject to change without notice. In case any modi-
cations 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 specic information about the model you are using. You
may nd the latest VGA cards and CPU support list on ASRock’s website as well. ASRock
website http://www.asrock.com.