Compare Detail
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990FX EXTREME3ModelB550 PRO4
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AMD 990FXChipsetAMD B550
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YesCrossfire supportYes
-
NoEcc ram supportYes
-
ATXForm factorATX
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0M2 ports3
-
32GBMaximum supported ram128 GB
-
3Onboard usb 202
-
0Onboard usb 32 gen 11
-
3Pci express x16 slots2
-
1Pci express x1 slots2
-
YesRaid supportYes
-
4Ram slots4
-
September 2011Release dateJune 2020
-
5Sata 6 gbps ports6
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YesSli supportNo
-
AM3+/AM3SocketAM4
-
800Mhz
1066Mhz
1333Mhz
1600Mhz
1866Mhz
2100MhzSupported memory2133Mhz
2400Mhz
2666Mhz
2933Mhz
3200Mhz
3466Mhz
3600Mhz
3733Mhz
3800Mhz
3866Mhz
4000Mhz
4133Mhz
4200Mhz
4266Mhz
4333Mhz
4400Mhz
4533Mhz -
NoWireless lanNo
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