Compare Detail
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B550-A PRO
7C56-002RModelX399 Phantom Gaming 6 -
7.1 ChannelsAudio channels7.1 Channels
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Realtek ALC892Audio chipsetRealtek ALC1220
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1 x DisplayPort
1 x HDMI
1 x LAN (RJ45)
1 x PS/2 Keyboard/Mouse Combo
1 x USB 3.2 Gen 2 Type-A
1 x USB 3.2 Gen 2 Type-C
2 x USB 3.2 Gen 1 Type-A
4 x USB 2.0/1.1
6 x Audio JacksBack io ports1 x PS/2 Mouse/Keyboard Port
1 x Optical SPDIF Out Port
1 x USB 3.1 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
1 x USB 3.1 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
8 x USB 3.1 Gen1 Ports (Supports ESD Protection)
2 x RJ-45 LAN Ports with LED (ACT/LINK LED and SPEED LED)
HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks) -
AMD B550ChipsetAMD X399
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YesCrossfire supportYes
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NoEcc ram supportYes
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ATXForm factorATX
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Realtek RTL8111HLan chipsetDragon RTL8125AG
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2230 - E Key -
2M2 ports4
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10/100/1000MbpsMax lan speed10/100/1000/2500Mbps + 10/100/1000Mbps
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128GBMaximum supported ram128GB
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2Onboard usb 202
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1Onboard usb 32 gen 12
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1Onboard usb 32 gen 20
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2Pci express x16 slots3
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2Pci express x1 slots0
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YesRaid supportYes
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4Ram slots8
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July 2020Release dateFebruary 2019
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6Sata 6 gbps ports8
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PROSeries
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NoSli supportYes
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AM4SocketsTR4
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1866Mhz
2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3400Mhz -
NoWireless lanNo
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