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ASUS PRIME B450M-A/CSM PRIME B450M-A/CSM
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AMD Motherboards
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$100 - $200
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$300 - $400
$400 - $500
$500 - $750
$750 - $1000
$1000 - $1250
$1500 - $2000
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CPU Socket Type
AM5
AM5
AM4
AM4
CPU Type
Ryzen Series
Ryzen 9000 Series
Ryzen 8000 Series
Ryzen 7000 Series
Ryzen 5000 Series
Ryzen 5000G Series
Ryzen 4000 Series
Ryzen 4000G Series
Ryzen 3000 Series
Ryzen 3000G Series
Ryzen 2000 Series
Ryzen 2000G Series
Ryzen 1000 Series
Athlon
Athlon with Radeon Graphics
Other
Ryzen / Athlon Series
Chipset
AMD 800 Series
AMD B850
AMD B840
AMD 600 Series
AMD B650
AMD 500 Series
AMD B550
AMD A520
AMD 400 Series
AMD B450
Form Factor
ATX
ATX
mATX
Micro ATX
ITX
Mini ITX
Memory Standard
DDR5
DDR5 8000
DDR5 7950
DDR5 7900
DDR5 7800
DDR5 7600
DDR5 7400
DDR5 7200
DDR5 7000
DDR5 6800
DDR5 6666
DDR5 6600
DDR5 6400
DDR5 6200
DDR5 6000
DDR5 5800
DDR5 5600
DDR5 5400
DDR5 5200
DDR5 5000
DDR5 4800
DDR5 4400
DDR4
DDR4 3200
DDR4 2666
Maximum Memory Supported
64GB
64GB
128GB
128GB
192GB
192GB
256GB
256GB
Others
32GB
Number of Memory Slots
2 Slots
2x288pin (DDR4)
4 Slots
4x288pin (DDR5)
4x288pin (DDR4)
Memory Performance Profile
AMD EXPO
Intel XMP 2.0
Back I/O Ports
USB Ports
1 x USB 3.1 Gen 1 Type-C
1 x USB 3.1 Gen 2 Type-A
1 x USB 3.1 Gen 2 Type-C
1 x USB 3.2 Gen 1 Type-C
1 x USB 3.2 Gen 2 Type-A
1 x USB 3.2 Gen 2 Type-C
1 x USB 3.2 Gen 2x2 Type-C
2 x USB 2.0/1.1
2 x USB 3.0
2 x USB 3.1 Gen 1
2 x USB 3.1 Gen 1 Type-A
2 x USB 3.1 Gen 2 Type-A
2 x USB 3.2 Gen 1 Type-A
2 x USB 3.2 Gen 2 Type-A
3 x USB 3.0
3 x USB 3.1 Gen 1
3 x USB 3.2 Gen 2 Type-A
4 x USB 2.0/1.1
4 x USB 3.1 Gen 1
4 x USB 3.1 Gen 1 Type-A
4 x USB 3.2 Gen 1
4 x USB 3.2 Gen 1 Type-A
5 x USB 3.1 Gen 1 Type-A
Video Ports
1 x D-Sub
1 x DisplayPort
1 x DVI
1 x DVI-D
1 x HDMI
2 x DisplayPort
Audio Ports
2 x Audio Jacks
3 x Audio Jacks
5 x Audio Jacks
Networking
1 x Antenna Bracket
1 x LAN (RJ45)
2 x Antenna Bracket
Peripherals
1 x Optical S/PDIF Out
1 x PS/2
1 x PS/2 Keyboard/Mouse Combo
2 x PS/2
Button
1 x Clear CMOS Button
1 x Flash BIOS Button
Serial ATA (SATA)
SATA III
8 x SATA 6Gb/s
6 x SATA 6Gb/s
4 x SATA 6Gb/s
2 x SATA 6Gb/s
SATA RAID
0/1/10
0/1/5/10
M.2
PCIe 5.0 M.2
1 x M.2 (Support PCIe 5.0 x4)
2 x M.2 (Support PCIe 5.0 x4)
PCIe 4.0 M.2
1 x M.2 (Support PCIe 4.0 x2)
1 x M.2 (Support PCIe 4.0 x4)
2 x M.2 (Support PCIe 4.0 x4)
PCIe 3.0 M.2
1 x M.2 (Support PCIe 3.0 x4)
PCIe & SATA M.2
1 x M.2 (Support PCIe 3.0 x4 & SATA)
1 x M.2 (Support PCIe 4.0 x4 & SATA)
Other
1 x M.2
2 x M.2
PCI Express 5.0 x16
1 x PCI Express 5.0 x16
2 x PCI Express 5.0 x16
PCI Express 4.0 x16
1 x PCI Express 4.0 x16
2 x PCI Express 4.0 x16
4 x PCI Express 4.0 x16
PCI Express 3.0 x16
1 x PCI Express 3.0 x16
2 x PCI Express 3.0 x16
3 x PCI Express 3.0 x16
PCI Express 2.0 x16
1 x PCI Express 2.0 x16
PCI Express x16
1 x PCI Express x16
None
PCI Slots
1 x PCI Slot
Max LAN Speed
1 Lan Port
1Gbps
2.5Gbps
Wireless LAN
Wi-Fi 802.11 be
Wi-Fi 802.11 ac
Wi-Fi 802.11 ax
WiFi IEEE 802.11 a / b / g / n / ac
LED Lighting
RGB
None RGB
Windows 11
Supported
Ready
Audio Channels
8 Channels
7.1 Channels
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New
Recertified
Refurbished
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Warranty
1 - 3 Years
3 - 5 Years
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AM5
AM4
Sold by Newegg
New
ATX
mATX
DDR5
DDR4
4 Slots
Ryzen Series
Ryzen 9000 Series
AMD 800 Series
AMD B850
$100 - $200
1 x PCI Express 5.0 x16
2 x PCI Express 5.0 x16
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ASUS Prime B650M-A AX AMD B650(Ryzen 7000) Micro-ATX motherboard(DDR5, PCIe 5.0 M.2 support, 2.5Gb Ethernet, Wi-Fi 6, DisplayPort, HDMI ,USB 3.2 Gen 2 ports, front USB 3.2 Gen 1 Type-C)
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ASUS Prime B550M-A/CSM AMD AM4 (3rd Gen Ryzen) microATX Commercial Motherboard (PCIe 4.0, ECC Memory, 1Gb LAN, HDMI 2.1/D-Sub, 4K@60HZ, TPM, ASUS Control Center Express)
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ASUS PRIME B550M-K ARGB AMD B550 (Ryzen AM4) mATX motherboard,M.2 slot,PCIe 4.0,Realtek 1G wired LAN,DisplayPort/HDMI,SATA 6 Gbps,USB 3.2 Gen 1 rear connector support, Aura Sync
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