Compare Detail
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Z490-A PRO
7C75-003RModelPrime B450M-A II
90MB15Z0-M0AAY0 -
7.1 ChannelsAudio channels7.1 Channels
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Realtek ALC892Audio chipsetRealtek High Definition Audio CODEC
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1 x DisplayPort
1 x HDMI
1 x LAN (RJ45)
1 x PS/2 Keyboard/Mouse Combo
1 x USB 3.2 Gen 2 Type-A
1 x USB 3.2 Gen 2 Type-C
2 x USB 2.0/1.1
2 x USB 3.2 Gen 1 Type-A
6 x Audio JacksBack io ports1 x PS/2 keyboard/mouse combo port(s)
1 x DVI-D
1 x D-Sub
1 x HDMI
1 x LAN (RJ45) port(s)
2 x USB 3.2 Gen 2 (teal blue) (2 x Type-A)
4 x USB 3.2 Gen 1 (blue) Type-A
3 x Audio jack(s)
1 x BIOS FlashBack Button(s) -
Intel Z490ChipsetAMD B450
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YesCrossfire supportNo
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NoEcc ram supportNo
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ATXForm factorMicro ATX
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Realtek RTL8125B-CGLan chipsetRealtek RTL8111H
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key -
2M2 ports1
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10/100/1000/2500MbpsMax lan speed10/100/1000Mbps
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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 slots1
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3Pci express x1 slots2
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YesRaid supportYes
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4Ram slots4
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May 2020Release dateOctober 2020
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6Sata 6 gbps ports6
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PROSeries
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NoSli supportNo
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LGA1200SocketAM4
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2133Mhz
2400Mhz
2666Mhz
2933Mhz
3000Mhz
3200Mhz
3300Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4200Mhz
4266Mhz
4300Mhz
4400Mhz
4533Mhz
4600Mhz
4800MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3300Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4400Mhz -
NoWireless lanNo
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