Compare Detail
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Z690 Steel LegendModelpro b550m-c/csm
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7.1 ChannelsAudio channels7.1 Channels
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Realtek ALC897Audio chipsetRealtek ALC887/897
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2 x Antenna Mounting Points
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)
4 x USB 3.2 Gen1 Ports (Supports ESD Protection)
* Ultra USB Power is supported on USB3_1_2 ports.
* ACPI wake-up function is not supported on USB3_1_2 ports.
1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)
1 x BIOS Flashback Button
HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)Back io ports1 x Realtek RTL8111H
1 x PS/2 keyboard (purple)
1 x PS/2 mouse (green)
2 x DisplayPort
1 x HDMI
2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C)
2 x USB 3.2 Gen 1 Type-A
2 x USB 2.0
3 x Audio jack(s) -
Intel Z690ChipsetAMD B550
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YesCrossfire supportNo
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NoEcc ram supportNo
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ATXForm factorMicro ATX
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Dragon RTL8125BGLan chipsetRealtek RTL8111H
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2260 / 2280 - M Key
2230 / 2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2230 - E KeyM2 devices support2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key -
4M2 ports3
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10/100/1000/2500MbpsMax lan speed10/100/1000Mbps
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128GBMaximum supported ram128GB
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2Onboard usb 201
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2Onboard usb 32 gen 12
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3Pci express x16 slots1
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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 slots4
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8Sata 6 gbps ports4
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NoSli supportNo
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LGA1700SocketAM4
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2400Mhz
2666Mhz
2933Mhz
3000Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz
4800Mhz
5000Mhz
5066Mhz
5133MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3333Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600Mhz
4800Mhz -
NoWireless lanNo
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