Question
What is the difference between PCIe 5.0 x16" Switch Dual-Root" (X13DEG-OA) and "PCIe 5.0
x16 CPU-to-GPU Interconnect" (X13DEG-QT)?
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Answer
X13DEG-OA (PCIe 5.0 x16 Switch Dual-Root):
Dual-Root means that you have two CPUs with each of them communicating to a separate PLX switch. (Single-Root each CPU communicates to a single switch. This is system dependent whether its single or dual.)

X13DEG-QT (PCIe 5.0 x16 CPU-to-GPU Interconnect):
There is no PLX switch, so all PCIe lanes are direct to CPU for communication.
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FAQ ID:
41477
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Date Posted:
11/08/24
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