Compare Detail
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B450M STEEL LEGEND
90-MXB9Y0-A0UAYZModelWS X299 PRO
90SW0090-M0EAY0 -
7.1 ChannelsAudio channels
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Realtek ALC892Audio chipset
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1 x PS/2 Mouse/Keyboard Port
1 x HDMI Port
1 x DisplayPort 1.2
1 x Optical SPDIF Out Port
2 x USB 2.0 Ports (Supports ESD Protection)
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)
4 x USB 3.2 Gen1 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)Back io ports -
AMD B450ChipsetIntel X299
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YesCrossfire supportYes
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NoEcc ram supportNo
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Micro ATXForm factorATX
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Realtek RTL8111HLan chipset
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2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M Key -
2M2 ports2
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10/100/1000MbpsMax lan speed
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128 GBMaximum supported ram128 GB
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2Onboard usb 201
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1Onboard usb 32 gen 11
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0Onboard usb 32 gen 21
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2Pci express x16 slots4
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1Pci express x1 slots0
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0Pci express x4 slots1
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YesRaid supportYes
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4Ram slots8
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February 2019Release date
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4Sata 6 gbps ports6
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NoSli supportYes
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AM4SocketLGA2066
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200MhzSupported memory2133Mhz
2400Mhz
2666Mhz
3600Mhz
4133Mhz -
NoWireless lanNo
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