Compare Detail
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pro b550m-c/csmModelPrime Z390-P
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7.1 ChannelsAudio channels8 Channels
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Realtek ALC887/897Audio chipsetRealtek ALC887
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1 x Realtek RTL8111H
1 x PS/2 keyboard (purple)
1 x PS/2 mouse (green)
2 x DisplayPort
1 x HDMI
2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C)
2 x USB 3.2 Gen 1 Type-A
2 x USB 2.0
3 x Audio jack(s)Back io ports1 x PS/2 keyboard (purple)
1 x PS/2 mouse (green)
1 x DisplayPort
1 x HDMI
1 x LAN (RJ45) port(s)
2 x USB 3.1 Gen 2 Type-A
4 x USB 3.1 Gen 1 Type-A
3 x 8-channel Audio I/O -
AMD B550ChipsetIntel Z390
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NoCrossfire supportYes
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NoEcc ram supportNo
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Micro ATXForm factorATX
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Realtek RTL8111HLan chipsetRealtek RTL8111H
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2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2230 - E Key -
3M2 ports3
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10/100/1000MbpsMax lan speed10/100/1000Mbps
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128GBMaximum supported ram128GB
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1Onboard usb 201
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2Onboard usb 32 gen 12
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1Pci express x16 slots2
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0Pci express x1 slots4
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1Pci express x4 slots0
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YesRaid supportYes
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4Ram slots4
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December 2020Release dateOctober 2018
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4Sata 6 gbps ports4
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NoSli supportNo
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AM4SocketLGA1151
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3333Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz
4800MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3300Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz -
NoWireless lanNo
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