Compare Detail
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PRIME A520M-A/CSMModelB550M Phantom Gaming 4
90-MXBE90-A0UAZ -
7.1 ChannelsAudio channels7.1 Channels
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Realtek ALC887Audio chipsetRealtek ALC887/897 Audio Codec
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4 x USB 3.2 Gen 1 ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DVI-D
1 x D-Sub
1 x HDMI port
1 x Realtek RTL8111H 1Gb Ethernet port
3 x Audio jacks
1 x PS/2 Keyboard/Mouse combo portBack io ports1 x PS/2 Mouse/Keyboard Port
1 x HDMI Port
1 x DisplayPort 1.4
4 x USB 3.2 Gen1 Ports (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 -
AMD A520ChipsetAMD B550
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NoCrossfire supportYes
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NoEcc ram supportYes
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Micro ATXForm factorMicro ATX
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Realtek RTL8111HLan chipsetRealtek RTL8111H
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2242 / 2260 / 2280 / 22110 - M KeyM2 devices support2280 - M Key
2280 - M Key -
1M2 ports2
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10/100/1000MbpsMax lan speed10/100/1000Mbps
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128 GBMaximum supported ram128 GB
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2Onboard usb 202
-
1Onboard usb 32 gen 12
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1Pci express x16 slots2
-
2Pci express x1 slots1
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YesRaid supportYes
-
4Ram slots4
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November 2020Release dateSeptember 2020
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4Sata 6 gbps ports4
-
NoSli supportNo
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AM4SocketAM4
-
2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3333Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz
4800MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4200Mhz
4266Mhz
4333Mhz
4400Mhz
4533Mhz -
NoWireless lanNo
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