Compare Detail
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pro b550m-c/csmModelPRIME X299-DELUXE II
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7.1 ChannelsAudio channels8 Channels
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Realtek ALC887/897Audio chipsetRealtek S1220A
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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 ports -
AMD B550ChipsetIntel X299
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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 chipsetAquantia AQC-111C
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2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key -
3M2 ports2
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10/100/1000MbpsMax lan speed5Gbps + 10/100/1000Mbps
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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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0Onboard usb 32 gen 21
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1Pci express x16 slots3
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0Pci express x1 slots2
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1Pci express x4 slots0
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YesRaid supportYes
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4Ram slots8
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December 2020Release dateOctober 2018
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4Sata 6 gbps ports8
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NoSli supportYes
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AM4SocketLGA2066
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3333Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz
4800MhzSupported memory2133Mhz
2400Mhz
2666Mhz
3600Mhz
4000Mhz
4200Mhz
4266Mhz -
NoWireless lanYes
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