Compare Detail
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Z490 Steel Legend
90-MXBC10-A0UAYZModelX99-DELUXE/U3.1
90MB0JF1-M0EAY0
X99 DELUXE/USB3.1 -
7.1 ChannelsAudio channels
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Realtek ALC1200Audio chipset
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2 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
2 x USB 2.0 Ports (Supports ESD Protection)
1 x USB 3.2 Gen2 Type-A Port (10Gb/s) (ReDriver) (Supports ESD Protection)
1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (ReDriver) (Supports ESD Protection)
2 x USB 3.2 Gen1 Ports (Intel® Z490) (Supports ESD Protection)
* Ultra USB Power is supported on USB3_12 ports.
* ACPI wake-up function is not supported on USB3_12 ports.
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 -
Intel Z490ChipsetIntel X99
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YesCrossfire supportYes
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NoEcc ram supportNo
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ATXForm factorATX
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Dragon RTL8125BGLan chipset
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2260 / 2280 - M Key
2260 / 2280 / 22110 - M Key
2230 - E KeyM2 devices support2242 / 2260 / 2280 - M Key
2230 / 2242 / 2260 / 2280 / 22110 - M Key -
3M2 ports2
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10/100/1000/2500MbpsMax lan speed
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128GBMaximum supported ram64GB
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2Onboard usb 202
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2Onboard usb 32 gen 12
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1Onboard usb 32 gen 20
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2Pci express x16 slots5
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3Pci 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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May 2020Release date
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6Sata 6 gbps ports8
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0Sata express ports2
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NoSli supportYes
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LGA1200SocketLGA2011-3
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3200Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4266MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz -
NoWireless lanNo
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