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B550M PRO4
Model
TRX40 AORUS MASTER
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7.1 Channels
Audio channels
2/4/5.1/7.1-channel
Support for S/PDIF Out
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Realtek ALC1200
Audio chipset
1 x Realtek ALC4050H codec + 1 x Realtek ALC1220-VB codec (Rear audio)
1 x Realtek ALC4050H codec + 1 x ESS SABRE9218 DAC chips (Front audio)
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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
1 x Q-Flash Plus button
1 x Clear CMOS button
2 x SMA antenna connectors (2T2R)
1 x USB Type-C port with USB 3.2 Gen 2 support
5 x USB 3.2 Gen 2 Type-A ports (red)
2 x USB 2.0/1.1 ports
2 x RJ-45 ports
1 x optical S/PDIF Out connector
5 x audio jacks
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AMD B550
Chipset
AMD TRX40
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Yes
Crossfire support
Yes
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Yes
Ecc ram support
Yes
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Micro ATX
Form factor
EATX
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Realtek RTL8111H
Lan chipset
1 x Aquantia 5GbE LAN chip
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2280 - M Key
2280 - M Key
2230 - E Key
M2 devices support
2260 / 2280 / 22110 - M Key
2280 - M Key
2280 - M Key
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3
M2 ports
3
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10/100/1000Mbps
Max lan speed
5Gbps + 10/100/1000Mbps
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128GB
Maximum supported ram
256GB
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2
Onboard usb 20
2
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2
Onboard usb 32 gen 1
2
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0
Onboard usb 32 gen 2
1
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2
Pci express x16 slots
4
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1
Pci express x1 slots
1
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Yes
Raid support
Yes
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4
Ram slots
8
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June 2020
Release date
November 2019
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6
Sata 6 gbps ports
8
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No
Sli support
Yes
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AM4
Socket
sTRX4
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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
2666Mhz
2933Mhz
3200Mhz
3300Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
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No
Wireless lan
Yes
