Compare Detail
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Z390 TAICHI ULTIMATEModelb550m-a pro
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7.1 ChannelsAudio channels7.1 Channels
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Realtek ALC1220Audio chipsetRealtek ALC892/ALC897 Codec
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2 x Antenna Ports
1 x PS/2 Mouse/Keyboard Port
1 x HDMI Port
1 x DisplayPort 1.2
1 x Optical SPDIF Out Port
3 x USB 3.1 Gen2 Type-A Ports (10Gb/s) (ReDriver) (Supports ESD Protection)
1 x USB 3.1 Gen2 Type-C Port (10Gb/s) (ReDriver) (Supports ESD Protection)
4 x USB 3.1 Gen1 Ports (Intel Z390) (Supports ESD Protection)
3 x RJ-45 LAN Ports with LED (ACT/LINK LED and SPEED LED)
1 x Clear CMOS Button
HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)Back io ports1 x DVI-D
1 x HDMI
1 x LAN (RJ45)
2 x PS/2
2 x USB 2.0/1.1
3 x Audio Jacks
4 x USB 3.2 Gen 1 -
Intel Z390ChipsetAMD B550
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YesCrossfire supportNo
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NoEcc ram supportNo
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ATXForm factorMicro ATX
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AQUANTIA AQC107Lan chipsetRealtek RTL8111H
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2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2230 - E KeyM2 devices support2242 / 2260 / 2280 - M Key -
4M2 ports1
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10Gbps + Dual 10/100/1000MbpsMax lan speed10/100/1000Mbps
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128GBMaximum supported ram64 GB
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2Onboard usb 202
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2Onboard usb 32 gen 11
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1Onboard usb 32 gen 20
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2Pci express x16 slots1
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2Pci express x1 slots1
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YesRaid supportYes
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4Ram slots2
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8Sata 6 gbps ports4
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YesSli supportNo
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LGA1151SocketAM4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3200Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4200MhzSupported memory1866Mhz
2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz -
5Wi fi generation
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YesWireless lanNo
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