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ASUS
ASUS AMD Motherboards
ASUS AMD Motherboards
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
Chipset
AMD Threadripper
AMD TRX50
AMD 800 Series
AMD X870E
AMD X870
AMD B850
AMD B840
AMD 600 Series
AMD B650
AMD 500 Series
AMD B550
Form Factor
ATX
ATX
EATX
Extended ATX
mATX
Micro ATX
ITX
Mini ITX
Others
SSI CEB
Memory Standard
DDR5
DDR5 10400
DDR5 10133
DDR5 9600
DDR5 9500
DDR5 9466
DDR5 9333
DDR5 9200
DDR5 9066
DDR5 9000
DDR5 8933
DDR5 8800
DDR5 8666
DDR5 8600
DDR5 8400
DDR5 8333
DDR5 8266
DDR5 8200
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
Maximum Memory Supported
96GB
96GB
128GB
128GB
192GB
192GB
256GB
256GB
Number of Memory Slots
2 Slots
2x288pin (DDR5)
4 Slots
4x288pin (DDR5)
4x288pin (DDR4)
Memory Performance Profile
AMD EXPO
Intel XMP 2.0
Intel XMP 3.0
Intel XMP 3.0 / AMD EXPO
Back I/O Ports
USB Ports
1 x USB 2.0/1.1
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 2x1 Type-C
1 x USB 3.2 Gen 2x2 Type-C
2 x USB 2.0/1.1
2 x USB 3.1 Gen 1
2 x USB 3.1 Gen 1 Type-A
2 x USB 3.1 Gen 2 Type-C
2 x USB 3.2 Gen 1 Type-A
2 x USB 3.2 Gen 2 Type-A
2 x USB 3.2 Gen 2 Type-C
2 x USB 3.2 Gen 2x1
2 x USB 3.2 Gen 2x2 Type-C
2 x USB4
3 x USB 2.0/1.1
3 x USB 3.1 Gen 2 Type-A
3 x USB 3.2 Gen 1 Type-A
3 x USB 3.2 Gen 2 Type-A
3 x USB 3.2 Gen 2 Type-C
4 x USB 2.0/1.1
4 x USB 3.1 Gen 1 Type-A
4 x USB 3.1 Gen 2 Type-A
4 x USB 3.2 Gen 1
4 x USB 3.2 Gen 1 Type-A
4 x USB 3.2 Gen 2 Type-A
4 x USB 3.2 Gen 2 Type-C
5 x USB 3.1 Gen 1 Type-A
5 x USB 3.2 Gen 2 Type-A
6 x USB 3.1 Gen 2 Type-A
6 x USB 3.2 Gen 2 Type-A
8 x USB 3.2 Gen 2
9 x USB 3.1 Gen 2 Type-A
9 x USB 3.2 Gen 2 Type-A
Video Ports
1 x D-Sub
1 x DisplayPort
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
2 x LAN (RJ45)
Peripherals
1 x Optical S/PDIF Out
1 x PS/2 Keyboard/Mouse Combo
Button
1 x Clear CMOS Button
1 x Flash BIOS Button
1 x Q-Flash Plus Button
Serial ATA (SATA)
SATA III
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)
3 x M.2 (Support PCIe 5.0 x4)
4 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)
3 x M.2 (Support PCIe 4.0 x4)
4 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
5 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
3 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
4 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
2 x PCI Express x16
4 x PCI Express x16
None
PCI Slots
1 x PCI Slot
Max LAN Speed
1 Lan Port
1Gbps
2.5Gbps
5Gbps
2 Lan Ports
5Gbps + 2.5Gbps
10Gbps + 5Gbps
2 x 10Gbps
Wireless LAN
Wi-Fi 802.11 be
Wi-Fi 802.11 ac
Wi-Fi 802.11 ax
LED Lighting
RGB
Windows 11
Supported
Ready
Audio Channels
7.1 Channels
Current Promotion
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Cryptocurrency Payment Accepted
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ASUS PRIME B840M-A WIFI-CSM AMD AM5 B840 mATX motherboard, Advanced AI Ready, DDR5, PCIe 4.0 Ready, three M.2 slots, Wi-Fi 6E, 2.5Gb LAN, DisplayPort, HDMI, USB 5Gbps Type-C, BIOS FlashBack, Aura
Model #:
90MB1J20-MVAAYC
£
176
.39
–
£50.77 Shipping
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Asus Prime B840-PLUS WIFI-CSM Gaming Desktop Motherboard - AMD B840 Chipset - Socket AM5 - ATX - Ryzen 9, Ryzen 7 Processor Supported - 192 GB DDR5 SDRAM Maximum RAM - PRIME B840-PLUS WIFI-CSM
Model #:
PRIME B840-PLUS WIFI-CSM
£
190
.79
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£50.91 Shipping
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