Asus PRIME X399-A User Guide - Page 18

Central Processing Unit (CPU), PRIME X399-A CPU SocketTR4

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Chapter 1 1.1.3 Central Processing Unit (CPU) The motherboard comes with a SocketTR4 socket designed for the AMD Ryzen™ Threadripper™ processors. PRIME X399-A CPU SocketTR4 The SocketTR4 socket has a different pinout design. Ensure that you use a CPU designed for the SocketTR4 socket. The CPU fits in only one correct orientation. DO NOT force the CPU into the socket to prevent bending the connectors on the socket and damaging the CPU! Ensure that all power cables are unplugged before installing the CPU. 1-4 Chapter 1: Product Introduction

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1-4
Chapter 1: Product Introduction
Chapter 1
1.1.3
Central Processing Unit (CPU)
The motherboard comes with a SocketTR4 socket designed for the AMD Ryzen™
Threadripper™ processors.
PRIME X399-A CPU SocketTR4
Ensure that all power cables are unplugged before installing the CPU.
The SocketTR4 socket has a different pinout design. Ensure that you use a CPU designed
for the SocketTR4 socket. The CPU fits in only one correct orientation. DO NOT force the
CPU into the socket to prevent bending the connectors on the socket and damaging the
CPU!