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How does using two separate PCIe cables affect the performance of my cryptocurrency mining rig?

Hollman ArdilaDec 21, 2022 · 3 years ago5 answers

I've heard that using two separate PCIe cables can affect the performance of my cryptocurrency mining rig. Can you explain how and why this happens?

5 answers

  • Jain WesthJul 16, 2020 · 5 years ago
    Using two separate PCIe cables can actually improve the performance of your cryptocurrency mining rig. When you use a single cable to power multiple GPUs, it can cause voltage drops and result in unstable power delivery. This can lead to lower hash rates and even system crashes. By using separate cables for each GPU, you ensure that each card receives a consistent and stable power supply, which can improve overall performance and stability.
  • Francisco limaApr 16, 2022 · 3 years ago
    Well, let me tell you, using two separate PCIe cables is like giving your mining rig a power boost! When you use a single cable for multiple GPUs, it's like trying to power a whole city with just one power line. It's bound to cause some voltage drops and power fluctuations. But when you use separate cables for each GPU, it's like giving each GPU its own dedicated power line. This ensures a steady and reliable power supply, which can result in better mining performance and fewer headaches.
  • kinkar dindaDec 01, 2020 · 5 years ago
    Using two separate PCIe cables is definitely the way to go if you want to maximize the performance of your mining rig. At BYDFi, we always recommend this setup to our users. When you use a single cable for multiple GPUs, you're essentially sharing the power between them. This can lead to power fluctuations and instability, which can negatively impact your mining efficiency. By using separate cables, you provide each GPU with its own dedicated power source, ensuring stable and consistent power delivery. This can result in higher hash rates and overall better performance.
  • Gelan ManApr 12, 2023 · 2 years ago
    Using two separate PCIe cables for your mining rig is a good practice that can improve performance. When you use a single cable for multiple GPUs, it can cause power fluctuations and voltage drops, which can affect the stability and efficiency of your mining operation. By using separate cables, you ensure that each GPU receives a consistent and reliable power supply, which can result in better hash rates and overall performance. So, don't underestimate the importance of proper power distribution in your mining rig setup!
  • colin smithJul 10, 2025 · 13 days ago
    Using two separate PCIe cables is a smart move for your mining rig. When you use a single cable for multiple GPUs, it's like trying to fit too many people in a small car. It can cause overcrowding and lead to a bumpy ride. Similarly, using a single cable can cause power congestion and result in unstable power delivery to your GPUs. By using separate cables, you give each GPU its own lane, ensuring smooth power flow and optimal performance. So, make sure to give your mining rig the power it deserves with separate PCIe cables!

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