Compare Detail
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PRIME B550M-A/CSMModelMEG Z390 ACE
Z390ACE -
7.1 ChannelsAudio channels7.1-Channel High Definition Audio
Supports S/PDIF output -
Realtek ALC887Audio chipsetRealtek ALC1220
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2 x USB 3.2 Gen 2 ports (2 x Type-A)
4 x USB 3.2 Gen 1 ports (4 x Type-A)
1 x D-Sub port
1 x DVI-D port
1 x HDMI port
1 x Realtek RTL8111H 1Gb Ethernet port
3 x Audio jacks
1 x PS/2 Keyboard/Mouse combo portBack io ports -
AMD B550ChipsetIntel Z390
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NoCrossfire supportYes
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YesEcc ram supportNo
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Micro ATXForm factorATX
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Realtek RTL8111HLan chipset1 x Killer E2500 Gigabit LAN controller
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2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M KeyM2 devices support2242 / 2260 / 2280 / 22110 - M Key
2242 / 2260 / 2280 - M Key
2242 / 2260 / 2280 - M Key -
2M2 ports3
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10/100/1000MbpsMax lan speed10/100/1000Mbps
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128 GBMaximum supported ram64GB
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2Onboard usb 202
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1Onboard usb 32 gen 12
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0Onboard usb 32 gen 22
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1Pci express x16 slots3
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2Pci express x1 slots3
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YesRaid supportYes
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4Ram slots4
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June 2020Release date
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4Sata 6 gbps ports6
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NoSli supportYes
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AM4SocketLGA1151
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2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3333Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4266Mhz
4400Mhz
4600MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2800Mhz
3000Mhz
3200Mhz
3300Mhz
3333Mhz
3400Mhz
3466Mhz
3600Mhz
3733Mhz
3866Mhz
4000Mhz
4133Mhz
4200Mhz
4266Mhz
4400Mhz
4500Mhz -
NoWireless lanYes
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