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ASROCK B450M Steel Legend User Manual

ASROCK B450M Steel Legend
184 pages
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Version 1.1
Published November 2020
Copyright©2020 ASRock INC. All rights reserved.
Copyright Notice:
No part of this documentation may be reproduced, transcribed, transmitted, or
translated in any language, in any form or by any means, except duplication of
documentation by the purchaser for backup purpose, without written consent of
ASRock Inc.
Products and corporate names appearing in this documentation may or may not
be registered trademarks or copyrights of their respective companies, and are used
only for identication or explanation and to the owners’ benet, without intent to
infringe.
Disclaimer:
Specications and information contained in this documentation are furnished for
informational use only and subject to change without notice, and should not be
constructed as a commitment by ASRock. ASRock assumes no responsibility for
any errors or omissions that may appear in this documentation.
With respect to the contents of this documentation, ASRock does not provide
warranty of any kind, either expressed or implied, including but not limited to
the implied warranties or conditions of merchantability or tness for a particular
purpose.
In no event shall ASRock, its directors, ocers, employees, or agents be liable for
any indirect, special, incidental, or consequential damages (including damages for
loss of prots, loss of business, loss of data, interruption of business and the like),
even if ASRock has been advised of the possibility of such damages arising from any
defect or error in the documentation or product.
is 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.
CALIFORNIA, USA ONLY
e Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance
controlled in Perchlorate Best Management Practices (BMP) regulations passed by the
California Legislature. When you discard the Lithium battery in California, USA, please
follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardouswaste/
perchlorate”
ASRock Website: http://www.asrock.com

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ASROCK B450M Steel Legend Specifications

General IconGeneral
Processor socketSocket AM4
Processor manufacturerAMD
Compatible processor seriesAMD A
Maximum number of SMP processors1
Audio chipRealtek ALC892 / Realtek ALC897
CertificationFCC, CE, ErP/EuP
Component forPC
Power source typeATX
Motherboard chipsetAMD B450
PC health monitoringCPU, FAN, Temperature, Voltage
Audio output channels7.1 channels
Motherboard form factormicro ATX
Windows operating systems supportedWindows 10 x64, Windows 11 x64
Non-ECCYes
Memory channelsDual-channel
Memory slots typeDIMM
Number of memory slots4
Supported memory typesDDR4-SDRAM
Maximum internal memory128 GB
Supported memory clock speeds2133, 2400, 2667, 2933, 3200, 3533 MHz
Supported memory clock speed (max)3533 MHz
Supported memory module capacities4GB, 8GB, 16GB, 32GB
BIOS typeUEFI AMI
ACPI version5.1
BIOS memory size128 Mbit
System Management BIOS (SMBIOS) version2.3
DirectX version12.0
Maximum resolution4096 x 2160 pixels
Maximum graphics card memory2048 MB
Parallel processing technology supportCrossFireX, Quad-GPU CrossFireX
Wi-FiNo
LAN controllerRealtek RTL8111H
Ethernet interface typeGigabit Ethernet
Number of M.2 (M) slots2
USB 3.2 Gen 2 (3.1 Gen 2) connectors0
HDMI version1.4
DisplayPort version1.2
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Cables includedSATA
Weight750 g
RAID levels0, 1, 10
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, SATA III
Harmonized System (HS) code84733020
Weight and Dimensions IconWeight and Dimensions
Width244 mm
Height70 mm

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