Biostar B450MX-S User Manual

12 | Chapter 2: Hardware installaon
2.5 Expansion Slots
PEX16_1: PCI-Express Gen3 x16 Slot
• PCI-Express 3.0 compliant.
• Maximum bandwidth total of 32GB/s.
• Supports PCIe 3.0 x16 mode with AMD® Ryzen™ processors.
• Supports PCIe 3.0 x8 mode AMD® Ryzen™ with Radeon Vega Graphics processors.
PEX16_SB_1: PCI-Express Gen2 x16 Slot (x4 mode)
• PCI-Express 2.0 compliant.
• Maximum bandwidth total of 4GB/s.
PEX1_1: PCI-Express Gen2 x1 Slot
• PCI-Express 2.0 compliant.
• Data transfer bandwidth up to 500MB/s per direcon; 1GB/s in total.
M2_PCIE_SATA1: M.2 (M Key) Slot (The bandwidth is depended on CPU, Ryzen is
32Gb/s ; APU is 16Gb/s)
• The M.2 slot supports M.2 Type 2242/2260/2280 SSD module. When installing M.2 SSD
module, please place the screw and hex pillar to correct posion.
• Supports M.2 PCI Express module up to Gen3 x4 (32Gb/s) - NVMe/ AHCI SSD.
• Supports M.2 SATA III (6Gb/s) module.
Install an Expansion Card
You can install your expansion card by following steps:
• Read the related expansion card’s instrucon document before install the expansion
card into the computer.
• Remove your computer’s chassis cover, screws and slot bracket from the computer.
• Place a card in the expansion slot and press down on the card unl it is completely
seated in the slot.
• Secure the card’s metal bracket to the chassis back panel with a screw. (This step is only
for installing a VGA card.).
• Replace your computer’s chassis cover.
• Power on the computer, if necessary, change BIOS sengs for the expansion card.
• Install related driver for the expansion card.
Note

»
PleasebenotethatyouwillneedtouseM2typescrewdriverifyouwanttoinstalloruninstallthe
screw.Itisrecommendednottouseascrewdriverthatdoesnotmeetthespecicaons,otherwise
thescrewmaybedamaged.

Biostar B450MX-S Specifications

General

Processor socket	Socket AM4
Processor manufacturer	AMD
Compatible processor series	AMD Athlon, AMD Ryzen 3, AMD Ryzen 3 2nd Gen, AMD Ryzen 3 3rd Gen, AMD Ryzen 5, AMD Ryzen 5 2nd Gen, AMD Ryzen 5 3rd Gen, AMD Ryzen 7, AMD Ryzen 7 2nd Gen, AMD Ryzen 7 3rd Gen, AMD Ryzen 9 3rd Gen
Audio chip	Realtek ALC887
Component for	PC
Motherboard chipset	AMD B450
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Memory channels	Dual-channel
Memory slots type	DIMM
Number of memory slots	4
Supported memory types	DDR4-SDRAM
Maximum internal memory	128 GB
Supported memory clock speeds	1866, 2133, 2400, 2667, 2933, 3200, 3600, 4000, 4066, 4133, 4200, 4266, 4333 MHz
RAID levels	0, 1, 10
RAID support	Yes
Supported storage drive types	HDD
Supported storage drive interfaces	M.2, SATA III
DirectX version	12.0
Parallel processing technology support	-
USB 2.0 connectors	2
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0
USB 2.0 ports quantity	USB 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.
LAN controller	Realtek RTL8111H
Ethernet interface type	Gigabit Ethernet
BIOS type	UEFI AMI

Weight and Dimensions

Width	244 mm