Attention: The motherboard BIOS needs to support PCIE Bifurcation in order to proceed
List of hardware support for household consumer grade motherboards:
| AMD support | x16 | x8+x8 | x8+x4+x4 | x4+x4+x4+x4 |
|---|---|---|---|---|
| B450 | x16 | x8+x8 | x8+x4+x4 | x4+x4+x4+x4 |
| B550 | x16 | x8+x8 | x8+x4+x4 | x4+x4+x4+x4 |
| B650 | x16 | x8+x8 | x8+x4+x4 | x4+x4+x4+x4 |
| A620 | x16 | x8+x8 | x8+x4+x4 | x4+x4+x4+x4 |
| X399 | x16 | x8+x8 | x8+x4+x4 | x4+x4+x4+x4 |
| X470 | x16 | x8+x8 | x8+x4+x4 | x4+x4+x4+x4 |
| X570 | x16 | x8+x8 | x8+x4+x4 | x4+x4+x4+x4 |
| X670 | x16 | x8+x8 | x8+x4+x4 | x4+x4+x4+x4 |
| INTEL support | x16 | x8+x8 | x8+x4+x4 |
|---|---|---|---|
| Q170 | x16 | x8+x8 | x8+x4+x4 |
| Z170 | x16 | x8+x8 | x8+x4+x4 |
| Q270 | x16 | x8+x8 | x8+x4+x4 |
| Z270 | x16 | x8+x8 | x8+x4+x4 |
| Q370 | x16 | x8+x8 | x8+x4+x4 |
| Z370 | x16 | x8+x8 | x8+x4+x4 |
| Q470 | x16 | x8+x8 | x8+x4+x4 |
| Z470 | x16 | x8+x8 | x8+x4+x4 |
| W480 | x16 | x8+x8 | x8+x4+x4 |
| Q570 | x16 | x8+x8 | x8+x4+x4 |
| Z570 | x16 | x8+x8 | x8+x4+x4 |
| W580 | x16 | x8+x8 | x8+x4+x4 |
| Q670 | x16 | x8+x8 | X |
| Z670 | x16 | x8+x8 | X |
| W680 | x16 | x8+x8 | X |
| Z790 | x16 | x8+x8 | X |
| W790 | x16 | x8+x8 | X |
| X299 | x16 | x8+x8 | x8+x4+x4 |
The server motherboard is not in the above list, most server motherboards support it
The above list only indicates whether the hardware meets the PCIE channel bifurcation conditions. BIOS support is still required for bifurcation, otherwise the CPU contacts need to be manually short circuited to achieve bifurcation
Some motherboards have already been bifurcation into multiple PCIE slots, and in this case, they cannot be bifurcation again
Please refer to the instruction manual on the motherboard's official website for details
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| Motherboard brand | Motherboard model | support range | BIOS setting location |
|---|---|---|---|
| ASRock | z370m pro4 | x8x8/x8x4x4 | |
| ASRock | z390m-itx/ac | x8x8/x8x4x4 | Advanced-->Riser Card Support |
| ASRock | Z390 Phantom Gaming SLI/ac | x8x8/x8x4x4 | |
| ASRock | z490m-itx/ac x8x8/x8x4x4 | x8x8/x8x4x4 | Advanced-->Riser Card Support |
| ASRock | Z590M-ITX/ax | x8x8/x8x4x4 | |
| ASRock | A520-ITX/AC | x8x8/x8x4x4 | |
| ASRock | B550-ITX/AC | x8x8/x8x4x4/4*4 | |
| ASRock | X570 Phantom Gaming-ITX/TB3 | x8x8/x8x4x4/4*4 | |
| ---- | ---- | ---- | ---- |
| asrockrack | c236 wsi | x8x8/x8x4x4 | |
| asrockrack | EPC612D4I | x8x8/x8x4x4 | IntelRCSetup---> IIO Configuration--->PCIE7 Link Width |
| ---- | ---- | ---- | ---- |
| gigabyte | z370ud | x8x8/x8x4x4 | Peripherals-->PCIE Bifurcation Support |
| gigabyte | z470i | x8x8/x8x4x4 | Settings-->PCIE频宽分配设置 |
| gigabyte | Z490i | x8x8/x8x4x4 | Settings-->IO Ports-->PCIE Bifurcation Support |
| gigabyte | Z690I AORUS ULTRA PLUS DDR4 (rev. 1.0) | x8x8 | Settings-->IO Ports-->PCIE Bifurcation Support |
| gigabyte | Z790M AORUS ELITE AX 小雕 | x8x8 | Settings-->IO Ports-->PCIE Bifurcation Support |
| gigabyte | Z790 EAGLE AX (rev. 1.x) 猎鹰 | x8x8/x8x4x4 | Settings-->IO Ports-->PCIE Bifurcation Support |
| gigabyte | Z790I | x8x8/x8x4x4 | Settings-->IO Ports-->PCIE Bifurcation Support |
| gigabyte | B550i | x8x8/x8x4x4/4*4 | Settings-->IO Ports-->PCIE Bifurcation Support |
| gigabyte | A520I AC (rev. 1.x) | x8x8/x8x4x4/4*4 | Settings-->IO Ports-->PCIE Bifurcation Support |
| gigabyte | GA-A520I-DASH (rev. 1.0) | x8x8/x8x4x4/4*4 | Settings-->IO Ports-->PCIE Bifurcation Support |
| ---- | ---- | ---- | ---- |
| ASUS | TUF Z390M-PRO GAMING (WI-FI) | x8x4x4 | Advanced--->PCH-FW Configuration--->Hyper M.2X16 [Enabled][Disabled] |
| ASUS | PRIME Z390M-PLUS | x8x4x4 | |
| ASUS | ROG STRIX Z390-I GAMING | x8x4x4 | Advanced--->PCH-FW Configuration--->Hyper M.2X16 [Enabled][Disabled] |
| ASUS | ROG STRIX Z590-I GAMING WIFI | x8x4x4 | Advanced--->OnBoard Devices Configuration-->PCle Bandwidth Bifurcation Configuration [Auto/ Riser Card/PCIe RAID Mode] |
| ASUS | ROG STRIX Z590-A GAMING WIFI 吹雪 | x8x4x4 | Advanced menu-->OnBoard Devices Configuration-->Hyper M.2X16 [x16 Mode/PCIe RAID Mode] |
| ASUS | ROG STRIX Z690-I GAMING WIFI | x8x8 | Advanced--->PCle Bandwidth Bifurcation Configuration |
| ---- | ---- | ---- | ---- |
| ASUS | B450 ITX | x8x8/x8x4x4 | Advanced--->Lanes Configuration |
| ASUS | B450I GAMING PLUS AC | x8x8/x8x4x4 | Advanced--->PCle/PCI Subsystem Settings--->PCI_E1 Lanes Configuratio |
| ASUS | B450M MORTAR/MAX B450M迫击炮 | x8x8 | Advanced--->PCle/PCI Subsystem Settings--->PCI_E1 Lanes Configuration |
| ASUS | B550M MORTAR B550M炮击跑 | x8x8/x8x4x4/4*4 | Advanced--->PCle/PCI Subsystem Settings--->PCI_E1 Lanes Configuration |
| ASUS | Z790M | x8x8 | Advanced--->PCle/PCI Subsystem Settings--->PCI_E1 Lanes Configuration |
| ---- | ---- | ---- | ---- |
| MANSUN | MS-TXZ790MD5 | x8x8 | |
| MANSUN | MS-iCraft Z790 WIFI AX | x8x8 | 高级-->PCI Exprass Configuration---> CPU PCIe Bandwidth Configuration -->[PCIe X16 和 PCIe X8X8] |
| ---- | ---- | ---- | ---- |
| supermicro | x10sdv | x8x8/x8x4x4/4*4 | Advanced--->Bifurcation |
| supermicro | X11SRi-IF ITX主板 | x8x8/x8x4x4/4*4 | IIO Configuration-->CPU1 Configuration-->IOU0 |
| supermicro | X10SDV-4C-TLN2F CPU:D1521 | x8x8 | PCIe/PCI/PnP Configuration-->SLOT 7 PCI-E 3.0 X16 Bifurcation |
| supermicro | H12SSL-i | x8x8/x4x4x8/4*4 | |
| supermicro | X11DPi-N, X11DPi-NT | x8x8/x8x4x4/4*4 | |
| supermicro | H13SSL-N | x8x8/x8x4x4/4*4 | |
| supermicro | H11 DSI-NT | x8x8/4*4 | PCIe/PCI/PnP Configuration-->CPU1 Slot 2 PCI-E 3.0 x16 Bifurcation |
| ---- | ---- | ---- | ---- |