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B550M PRO4
Model
B450M S2H
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7.1 Channels
Audio channels
2/4/5.1/7.1-channel
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Realtek ALC1200
Audio chipset
Realtek ALC887
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Antenna Bracket
1 x PS/2 Mouse/Keyboard Port
1 x D-Sub Port
1 x HDMI Port
1 x DisplayPort 1.4
1 x USB 3.2 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection)
2 x USB 2.0 Ports (Supports ESD Protection)
1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
HD Audio Jacks: Line in / Front Speaker / Microphone
Back io ports
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AMD B550
Chipset
AMD B450
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Yes
Crossfire support
No
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Yes
Ecc ram support
No
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Micro ATX
Form factor
Micro ATX
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Realtek RTL8111H
Lan chipset
Realtek GbE LAN chip
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2280 - M Key
2280 - M Key
2230 - E Key
M2 devices support
2242 / 2260 / 2280 - M Key
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3
M2 ports
1
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10/100/1000Mbps
Max lan speed
10/100/1000Mbps
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128GB
Maximum supported ram
32GB
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2
Onboard usb 20
2
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2
Onboard usb 32 gen 1
1
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2
Pci express x16 slots
1
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1
Pci express x1 slots
2
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Yes
Raid support
Yes
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4
Ram slots
2
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June 2020
Release date
January 2019
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6
Sata 6 gbps ports
4
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No
Sli support
No
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AM4
Socket
AM4
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4200Mhz
4266Mhz
4333Mhz
4400Mhz
4533Mhz
Supported memory
2133Mhz
2400Mhz
2933Mhz
3466Mhz
3600Mhz
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No
Wireless lan
No
