Motherboard PRIME B550M-K ARGB
E22193 First Edition July 2023 Copyright © 2023 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
Contents Safety information....................................................................................................... iv About this guide........................................................................................................... v Package contents........................................................................................................ vi PRIME B550M-K ARGB specifications summary.....................................................
Safety information Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.
About this guide This user guide contains the information you need when installing and configuring the motherboard. How this guide is organized This guide contains the following parts: • Chapter 1: Product Introduction This chapter describes the features of the motherboard and the new technology it supports. It includes descriptions of the switches, jumpers, and connectors on the motherboard.
Package contents Check your motherboard package for the following items. Motherboard 1 x PRIME B550M-K ARGB motherboard Cables 2 x SATA 6Gb/s cables Miscellaneous 1 x I/O Shield 1 x Screw package for M.2 SSD Documentation 1 x User guide If any of the above items is damaged or missing, contact your retailer. PRIME B550M-K ARGB specifications summary CPU AMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors* * Refer to www.asus.
PRIME B550M-K ARGB specifications summary Rear USB (Total 6 ports) 4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) USB Front USB (Total 7 ports) 1 x USB 3.2 Gen 1 (5G) connector (supports USB Type-C®) 1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports Realtek 7.
PRIME B550M-K ARGB specifications summary ASUS 5X PROTECTION III - DIGI+ VRM - LANGuard - Overvoltage Protection - SafeSlot Core - Stainless-Steel Back I/O Special Features ASUS Q-Design - Q-DIMM - Q-LED Core - Q-Slot ASUS Thermal Solution - Aluminum heatsink design Aura Sync - Addressable Gen 2 headers ASUS Exclusive Software Armoury Crate - Aura Creator - Aura Sync AI Suite 3 - Performance And Power Saving Utility TurboV EVO EPU Software Features DIGI+ VRM Fan Xpert 2+ - EZ update ASUS CPU-Z Norton 360
• Specifications are subject to change without notice. Please refer to the ASUS website for the latest specifications.
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Chapter 1: Product Introduction Product Introduction 1.1 Before you proceed 1 Take note of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from the wall socket before touching any component. • Before handling components, use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, to avoid damaging them due to static electricity.
1.2 Motherboard overview 5 4 17 1 22.1cm(8.7in) ATX_12V 4 2 DIGI+ VRM KBMS_USB_56 ADD_GEN 2_1 CPU_FAN CHA_FAN1 ATX_PWR 9 TPM U32_C7 AUDIO 5 U32G1_12 128Mb BIOS LAN_U32G1_34 11 24.4cm(9.6in) BATTERY U32G1_56 DDR4 DIMM_B (64bit, 288-pin module) SOCKET AM4 HDMI DDR4 DIMM_A (64bit, 288-pin module) DP M.2_1(SOCKET3) PCIEX1 2280 2260 2242 PCIE SATA 4.0 X4 V 8 Ethernet 3 PCIEX16 6 Super I/O 22110 2280 2260 2242 COM_DEBUG SPDIF_OUT Audio Codec CLRTC COM M.
3. Expansion slots The Fan headers allow you to connect fans to cool the system. FAN PWM FAN IN FAN PWR GND FAN PWM FAN IN FAN PWR GND 4. Fan headers GND FAN PWR FAN IN FAN PWM This motherboard supports one PCIe x16 graphics card and one PCIe 3.0 x1 network card, SCSI card or other card that complies with the PCI Express specification. 5. Power connectors These Power connectors allow you to connect your motherboard to a power supply. The power supply plugs are designed to fit in only one orientation.
USB 3.2 Gen 1 9. USB 3.2 Gen 1 header PIN 1 The USB 3.2 Gen 1 header allows you to connect a USB 3.2 Gen 1 module for additional USB 3.2 Gen 1 ports. The USB 3.2 Gen 1 header provides data transfer speeds of up to 5 Gb/s. The USB 3.2 Gen 1 module is purchased separately. USB3+5V IntA_P1_SSRXIntA_P1_SSRX+ GND IntA_P1_SSTXIntA_P1_SSTX+ GND IntA_P1_DIntA_P1_D+ GND USB3+5V IntA_P2_SSRXIntA_P2_SSRX+ GND IntA_P2_SSTXIntA_P2_SSTX+ GND IntA_P2_DIntA_P2_D+ 10. USB 2.
DO NOT short-circuit the pins except when clearing the RTC RAM. Short-circuiting or placing a jumper cap will cause system boot failure! If the steps above do not help, remove the onboard button cell battery and short the two pins again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the button cell battery. 13. COM Port header COM PIN 1 The COM port module is purchased separately.
18. System Panel header F_PANEL This header supports several chassis-mounted functions. • PWR_LED+ PWR_LEDPWR GND System Power LED header (+PWR_LED-) The 2-pin header allows you to connect the System Power LED. The System Power LED lights up when the system is connected to a power source, or when you turn on the system power, and blinks when the system is in sleep mode.
3. Line In port (light blue). This port connects the tape, CD, DVD player, or other audio sources. 4. Line Out port (lime). This port connects a headphone or a speaker. In 4-channel, 5.1-channel, and 7.1-channel configurations, the function of this port becomes Front Speaker Out. 5. USB 2.0 ports. These Universal Serial Bus (USB) ports are for USB 2.0 devices. 6. DisplayPort. This port is for a DisplayPort-compatible device. 7. HDMITM port.
1.3 Central Processing Unit (CPU) The motherboard comes with an AMD Socket AM4 designed for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors. Unplug all power cables before installing the CPU. The AM4 socket has a different pinout design. Ensure that you use a CPU designed for the AM4 socket. The CPU fits in only one correct orientation.
1.4 System memory This motherboard comes with two Double Data Rate 4 (DDR4) Dual Inline Memory Module (DIMM) sockets. The figure illustrates the location of the DDR4 DIMM sockets: DIMM_A DIMM_B Channel Sockets Channel A DIMM_A Channel B DIMM_B A DDR4 memory module is notched differently from a DDR, DDR2, or DDR3 module. DO NOT install a DDR, DDR2, or DDR3 memory module to the DDR4 slot. • You may install varying memory sizes in Channel A and Channel B.
Installing a DIMM 1 2 3 To remove a DIMM B 1-10 A Chapter 1: Product introduction
Chapter 2: BIOS and RAID Support BIOS and RAID Support 2.1 2 Knowing BIOS The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with UEFI architecture, offering a user-friendly interface that goes beyond the traditional keyboardonly BIOS controls to enable a more flexible and convenient mouse input. You can easily navigate the new UEFI BIOS with the same smoothness as your operating system. The term “BIOS” in this user manual refers to “UEFI BIOS” unless otherwise specified.
2.2 BIOS Setup program Use the BIOS Setup to update the BIOS or configure its parameters. The BIOS screens include navigation keys and brief onscreen help to guide you in using the BIOS Setup program. Entering BIOS at startup To enter BIOS Setup at startup, press or during the Power-On Self Test (POST). If you do not press or , POST continues with its routines. Entering BIOS Setup after POST To enter BIOS Setup after POST: • Press ++ simultaneously.
2.3 ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to update the BIOS without using an OS‑based utility. Ensure to load the BIOS default settings to ensure system compatibility and stability. Select the Load Optimized Defaults item under the Exit menu or press hotkey . To update the BIOS: • This function can support devices such as a USB flash disk with FAT 32/16 format and single partition only.
2.4 ASUS CrashFree BIOS 3 The ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can restore a corrupted BIOS file using a USB flash drive that contains the BIOS file. Recovering the BIOS 1. Download the latest BIOS version for this motherboard from https://www.asus.com/support/. 2. Rename the BIOS file as ASUS.CAP or P550MKAR.CAP and copy the renamed BIOS file to a USB flash drive. 3.
2.5 RAID configurations The motherboard comes with the AMD RAIDXpert2 Technology that supports Volume, RAIDABLE, RAID 0, RAID 1, and RAID 10 (depends on system licensing) configurations. For more information on configuring your RAID sets, please refer to the RAID Configuration Guide which you can find at https://www. asus.com/support, or by scanning the code.
2-6 Chapter 2: BIOS and RAID Support
Appendix Appendix Notices FCC Compliance Information Responsible Party: Asus Computer International Address: 48720 Kato Rd., Fremont, CA 94538, USA Phone / Fax No: (510)739-3777 / (510)608-4555 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
France sorting and recycling information FR Cet appareil et ses accessoires se recyclent À DÉPOSER EN MAGASIN À DÉPOSER EN DÉCHÈTERIE OU Points de collecte sur www.quefairedemesdechets.fr Privilégiez la répara�on ou le don de votre appareil ! Compliance Statement of Innovation, Science and Economic Development Canada (ISED) This device complies with Innovation, Science and Economic Development Canada licence exempt RSS standard(s).
Declaration of compliance for product environmental regulation ASUS follows the green design concept to design and manufacture our products, and makes sure that each stage of the product life cycle of ASUS product is in line with global environmental regulations. In addition, ASUS disclose the relevant information based on regulation requirements. Please refer to http://csr.asus.com/Compliance.
Simplified UKCA Declaration of Conformity English ASUSTeK Computer Inc. hereby declares that this device is in compliance with the essential requirements and other relevant provisions of related UKCA Directives. Full text of UKCA declaration of conformity is available at: www.asus.com/support. Simplified EU Declaration of Conformity English ASUSTeK Computer Inc. hereby declares that this device is in compliance with the essential requirements and other relevant provisions of related Directives.
Warranty EN: ASUS Guarantee Information • ASUS offers a voluntary manufacturer’s Commercial Guarantee. • ASUS reserves the right to interpret the provisions of the ASUS Commercial Guarantee. • This ASUS Commercial Guarantee is provided independently and in addition to the statutory Legal Guarantee and in no way affects or limits the rights under the Legal Guarantee. CR: Informacije o ASUS jamstvu • ASUS dragovoljno nudi komercijalno proizvođačko jamstvo.
PG: Informações de Garantia ASUS • A ASUS oferece uma Garantia Comercial voluntária do fabricante. • A ASUS reserva o direito de interpretar as disposições da Garantia Comercial da ASUS. • Esta Garantia Comercial da ASUS é fornecida de forma independente além da Garantia Legal estatutária e não afeta nem limita de qualquer forma os direitos estabelecidos na Garantia Legal. Para consultar todas as informações sobre a garantia, visite https://www.asus.com/pt/support/.
ASUS contact information ASUSTeK COMPUTER INC. Address: 1F., No. 15, Lide Rd., Beitou Dist., Taipei City 112 ASUS COMPUTER INTERNATIONAL (America) Address: 48720 Kato Rd., Fremont, CA 94538, USA ASUS COMPUTER GmbH (Germany and Austria) Address: Harkortstrasse 21-23, 40880 Ratingen, Germany ASUSTeK (UK) LIMITED Address: 1st Floor, Sackville House, 143-149 Fenchurch Street, London, EC3M 6BL, England, United Kingdom Service and Support Visit our multi-language website at https://www.asus.com/support.
