Compare Detail
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B550M STEEL LEGEND
90-MXBCU0-A0UAYZModelZ590 PHANTOM GAMING-ITX/TB4 -
7.1 ChannelsAudio channels7.1 Channels
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Realtek ALC1200Audio 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 DisplayPort 1.4
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)
4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection)
2 x USB 2.0 Ports (Supports ESD Protection)
1 x RJ-45 LAN Port 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)Back io ports2 x Antenna Ports
1 x HDMI Port
1 x DisplayPort 1.4
1 x Optical SPDIF Out Port
5 x USB 3.2 Gen2 Type-A Ports (10Gb/s) (Supports ESD Protection)
1 x USB 4.0 Thunderbolt 4 Type-C Port (40Gb/s for USB 4.0 protocol; 40Gb/s for Thunderbolt protocol) (Supports ESD Protection)*
1 x RJ-45 LAN Port 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)
* Supports USB PD 2.0 up to 9V@3A (27W) / 5V@3A (15W) charging. -
AMD B550ChipsetIntel Z590
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YesCrossfire supportNo
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YesEcc ram supportNo
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Micro ATXForm factorMini ITX
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Dragon RTL8125BGLan chipsetKiller E3100G
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2280 - M Key
2280 - M Key
2230 - E KeyM2 devices support2280 - M Key (Intel 11th Gen only)
2280 - M Key
2230 - E Key -
3M2 ports3
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10/100/1000/2500MbpsMax lan speed10/100/1000/2500Mbps
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128GBMaximum supported ram64GB
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2Onboard usb 201
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2Onboard usb 32 gen 11
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2Pci express x16 slots1
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1Pci express x1 slots0
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YesRaid supportYes
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4Ram slots2
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June 2020Release dateMay 2021
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6Sata 6 gbps ports3
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NoSli supportNo
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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
4533MhzSupported memory2666Mhz
2933Mhz
3200Mhz
4266Mhz -
NoWireless lanYes
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