Compare Detail
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X399 Phantom Gaming 6ModelB550 VISION D-P
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7.1 ChannelsAudio channels7.1 Channels
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Realtek ALC1220Audio chipsetRealtek ALC1220-VB
* The back panel line out jack supports DSD audio. -
1 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)Back io ports1 x PS/2 keyboard/mouse port
1 x DisplayPort In port
1 x HDMI port
2 x SMA antenna connectors (2T2R)
2 x USB 3.2 Gen 2 Type-A ports (red)
2 x Thunderbolt 3 connectors (USB Type-C port
with USB 3.2 Gen 2 support)
3 x USB 3.2 Gen 1 ports
2 x USB 2.0/1.1 ports
2 x RJ-45 ports
1 x optical S/PDIF Out connector
5 x audio jacks -
AMD X399ChipsetAMD B550
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YesCrossfire supportYes
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YesEcc ram supportYes
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ATXForm factorATX
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Dragon RTL8125AGLan chipsetIntel 2.5GbE LAN chip
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2230 - E KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key -
4M2 ports2
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10/100/1000/2500Mbps + 10/100/1000MbpsMax lan speedDual 10/100/1000/2500Mbps
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128GBMaximum supported ram128GB
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2Onboard usb 202
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2Onboard usb 32 gen 11
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0Onboard usb 32 gen 21
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3Pci express x16 slots3
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YesRaid supportYes
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8Ram slots4
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February 2019Release dateMarch 2021
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8Sata 6 gbps ports4
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YesSli supportNo
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sTR4SocketAM4
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3400MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3333Mhz
3600Mhz
4000Mhz
4400Mhz
4600Mhz
4866Mhz
5000Mhz
5100Mhz
5200Mhz
5400Mhz -
NoWireless lanYes
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