Compare Detail
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Z490 PG Velocita
90-MXBBT0-A0UAYZModelROG Strix B550-A Gaming
90MB15J0-M0AAY0
90MB15J0-M0EAY0 -
7.1 ChannelsAudio channels8 Channels
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Realtek ALC1220Audio chipsetROG SupremeFX High Definition Audio CODEC S1220A
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2 x Antenna Mounting 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 (10Gb/s) (ReDriver) (Supports ESD Protection)
1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (ReDriver) (Supports ESD Protection)
4 x USB 3.2 Gen1 Ports (Intel Z490) (Supports ESD Protection)
* Ultra USB Power is supported on USB3_34 ports.
* ACPI wake-up function is not supported on USB3_34 ports.
2 x RJ-45 LAN Ports 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 ports1 x Intel I225-V 2.5Gb Ethernet
1 x DisplayPort
1 x HDMI
2 x USB 3.2 Gen 2 (1 x Type-A+1 x USB Type-C)
4 x USB 3.2 Gen 1
2 x USB 2.0
1 x Optical S/PDIF out
1 x BIOS FlashBack Button(s)
5 x Gold-plated audio jacks -
Intel Z490ChipsetAMD B550
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YesCrossfire supportNo
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NoEcc ram supportYes
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ATXForm factorATX
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Dragon RTL8125BGLan chipsetIntel I225-V
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2260 / 2280 - M Key
2242 / 2260 / 2280 / 22110 - M Key
2230 - E KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 / 22110 - M Key -
3M2 ports2
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10/100/1000/2500Mbps + 10/100/1000MbpsMax lan speed10/100/1000/2500Mbps
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128 GBMaximum supported ram128 GB
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2Onboard usb 202
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2Onboard usb 32 gen 11
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1Onboard usb 32 gen 20
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2Pci express x16 slots2
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3Pci express x1 slots3
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YesRaid supportYes
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4Ram slots4
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May 2020Release dateAugust 2020
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8Sata 6 gbps ports6
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Phantom GamingSeriesROG
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NoSli supportNo
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LGA1200SocketAM4
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
2933Mhz
3200Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4333Mhz
4400Mhz
4500Mhz
4600Mhz
4666MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3466Mhz
3600Mhz
3866Mhz
4000Mhz
4133Mhz
4400Mhz
4600Mhz -
NoWireless lanNo
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