Compare Detail
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B550 PG VELOCITAModelX299 Steel Legend
90-MXBBJ0-A0UAYZ -
7.1 ChannelsAudio channels7.1 Channels
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Realtek ALC1220Audio chipsetRealtek ALC1220
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2 x Antenna Ports (on I/O Panel Shield)
1 x PS/2 Mouse/Keyboard Port
1 x HDMI Port
1 x Optical SPDIF Out Port
1 x USB 3.2 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection)
1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection)
2 x USB 3.2 Gen1 Ports (Supports ESD Protection)
4 x USB 2.0 Ports (Supports ESD Protection)*
1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
* Ultra USB Power is supported on USB_34 ports.
* ACPI wake-up function is not supported on USB_34 ports.Back io ports1 x PS/2 Mouse/Keyboard Port
1 x Optical SPDIF Out Port
4 x USB 2.0 Ports (Supports ESD Protection)
1 x USB 3.2 Gen2x2 Type-C Port (20Gb/s) (ASMedia ASM3242) (Supports ESD Protection)
3 x USB 3.2 Gen1 Ports (Supports ESD Protection)
2 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) -
AMD B550ChipsetIntel X299
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YesCrossfire supportYes
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YesEcc ram supportNo
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ATXForm factorATX
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Dragon RTL8125BGLan chipsetIntel I219-V
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2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2230 - E KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key
2260 / 2280 - M Key
2230 - E Key -
3M2 ports3
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10/100/1000/2500MbpsMax lan speedDual 10/100/1000Mbps
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128GBMaximum supported ram256 GB
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2Onboard usb 202
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1Onboard usb 32 gen 11
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1Onboard usb 32 gen 21
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2Pci express x16 slots4
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2Pci express x1 slots1
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YesRaid supportYes
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4Ram slots8
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June 2020Release dateJanuary 2020
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6Sata 6 gbps ports8
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Phantom GamingSeries
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NoSli supportYes
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AM4SocketLGA2066
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4200Mhz
4266Mhz
4333Mhz
4400Mhz
4533Mhz
4600Mhz
4666MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3200Mhz
3600Mhz
3733Mhz
3800Mhz
4000Mhz -
NoWireless lanNo
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