Compare Detail
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b550m-a proModelZ590 STEEL LEGEND WIFI 6E
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7.1 ChannelsAudio channels7.1 Channels
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Realtek ALC892/ALC897 CodecAudio chipsetRealtek ALC897
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1 x DVI-D
1 x HDMI
1 x LAN (RJ45)
2 x PS/2
2 x USB 2.0/1.1
3 x Audio Jacks
4 x USB 3.2 Gen 1Back io ports2 x Antenna Ports
1 x PS/2 Mouse/Keyboard Port
1 x HDMI Port
1 x DisplayPort 1.4
1 x Optical SPDIF Out Port
1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (ReDriver) (Supports ESD Protection)
1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (ReDriver) (Supports ESD Protection)
2 x USB 3.2 Gen1 Ports (Supports ESD Protection)
* Ultra USB Power is supported on USB3_12 ports.
* ACPI wake-up function is not supported on USB3_12 ports.
2 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) -
AMD B550ChipsetIntel Z590
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NoCrossfire supportYes
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NoEcc ram supportNo
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Micro ATXForm factorATX
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Realtek RTL8111HLan chipsetDragon RTL8125BG
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2242 / 2260 / 2280 - M KeyM2 devices support2260 / 2280 - M Key (Intel 11th Gen only)
2260 / 2280 - M Key
2260 / 2280 / 22110 - M Key
2230 - E Key -
1M2 ports4
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10/100/1000MbpsMax lan speed10/100/1000/2500Mbps
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64 GBMaximum supported ram128GB
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2Onboard usb 202
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1Onboard usb 32 gen 12
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1Pci express x16 slots2
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1Pci express x1 slots3
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YesRaid supportYes
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2Ram slots4
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November 2020Release dateMarch 2021
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4Sata 6 gbps ports6
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PROSeries
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NoSli supportNo
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AM4SocketLGA1200
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1866Mhz
2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3000Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600MhzSupported memory2400Mhz
2666Mhz
2933Mhz
3000Mhz
3200Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4666Mhz
4800Mhz -
NoWireless lanYes
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