Compare Detail
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B550 EXTREME4Model131-CL-E499-KR
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7.1 ChannelsAudio channels
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Realtek ALC1220Audio chipset
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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 ports -
AMD B550ChipsetIntel Z490
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YesCrossfire supportYes
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NoEcc ram supportNo
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ATXForm factorEATX
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Dragon RTL8125BGLan chipset
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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
2242 / 2260 / 2280 / 22110 - M Key -
3M2 ports2
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10/100/1000/2500MbpsMax lan speed
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128GBMaximum supported ram64 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 20
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2Pci express x16 slots3
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2Pci express x1 slots0
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0Pci express x4 slots1
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YesRaid supportYes
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4Ram slots2
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June 2020Release dateMay 2020
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6Sata 6 gbps ports6
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NoSli supportYes
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AM4SocketLGA1200
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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
3000Mhz
3200Mhz
3600Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz
4800Mhz -
NoWireless lanYes
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