Compare Detail
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PRIME B550M-A/CSMModelZ170-PREMIUM
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7.1 ChannelsAudio channels8 Channels
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Realtek ALC887Audio chipsetRealtek ALC1150
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2 x USB 3.2 Gen 2 ports (2 x Type-A)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
1 x D-Sub port
1 x DVI-D port
1 x HDMI port
1 x Realtek RTL8111H 1Gb Ethernet port
3 x Audio jacks
1 x PS/2 Keyboard/Mouse combo portBack io ports -
AMD B550ChipsetIntel Z170
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NoCrossfire supportYes
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YesEcc ram supportNo
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Micro ATXForm factorATX
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Realtek RTL8111HLan chipsetIntel I219-V
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key -
2M2 ports1
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10/100/1000MbpsMax lan speedDual 10/100/1000Mbps
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128 GBMaximum supported ram64GB
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2Onboard usb 202
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1Onboard usb 32 gen 12
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1Pci express x16 slots3
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2Pci express x1 slots4
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YesRaid supportNo
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4Ram slots4
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June 2020Release date
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4Sata 6 gbps ports4
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0Sata express ports2
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NoSli supportYes
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AM4SocketLGA1151
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3333Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3300Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz -
NoWireless lanYes
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