53 lines
4.0 KiB
Markdown
53 lines
4.0 KiB
Markdown
---
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title: Validator Requirements
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---
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## Hardware
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- CPU Recommendations
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- We recommend a CPU with the highest number of cores as possible. AMD Threadripper or Intel Server \(Xeon\) CPUs are fine.
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- We recommend AMD Threadripper as you get a larger number of cores for parallelization compared to Intel.
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- Threadripper also has a cost-per-core advantage and a greater number of PCIe lanes compared to the equivalent Intel part. PoH \(Proof of History\) is based on sha256 and Threadripper also supports sha256 hardware instructions.
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- SSD size and I/O style \(SATA vs NVMe/M.2\) for a validator
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- Minimum example - Samsung 860 Evo 2TB
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- Mid-range example - Samsung 860 Evo 4TB
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- High-end example - Samsung 860 Evo 4TB
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- GPUs
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- While a CPU-only node may be able to keep up with the initial idling network, once transaction throughput increases, GPUs will be necessary
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- What kind of GPU?
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- We recommend Nvidia 2080Ti or 1080Ti series consumer GPU or Tesla series server GPUs.
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- We do not currently support OpenCL and therefore do not support AMD GPUs. We have a bounty out for someone to port us to OpenCL. Interested? [Check out our GitHub.](https://github.com/solana-labs/solana)
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- Power Consumption
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- Approximate power consumption for a validator node running an AMD Threadripper 2950W and 2x 2080Ti GPUs is 800-1000W.
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### Preconfigured Setups
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Here are our recommendations for low, medium, and high end machine specifications:
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| | Low end | Medium end | High end | Notes |
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| :------------------ | :---------------------------------------------------- | :--------------------- | :--------------------- | :------------------------------------------------------------------------------------- |
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| CPU | AMD Threadripper 1900x | AMD Threadripper 2920x | AMD Threadripper 2950x | Consider a 10Gb-capable motherboard with as many PCIe lanes and m.2 slots as possible. |
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| RAM | 16GB | 32GB | 64GB | |
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| OS Drive | Samsung 860 Evo 2TB | Samsung 860 Evo 4TB | Samsung 860 Evo 4TB | Or equivalent SSD |
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| Accounts Drive\(s\) | None | Samsung 970 Pro 1TB | 2x Samsung 970 Pro 1TB | |
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| GPU | 4x Nvidia 1070 or 2x Nvidia 1080 Ti or 2x Nvidia 2070 | 2x Nvidia 2080 Ti | 4x Nvidia 2080 Ti | Any number of cuda-capable GPUs are supported on Linux platforms. |
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## Software
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- We build and run on Ubuntu 18.04. Some users have had trouble when running on Ubuntu 16.04
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- See [Installing Solana](../cli/install-solana-cli-tools.md) for the current Solana software release.
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Be sure to ensure that the machine used is not behind a residential NAT to avoid
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NAT traversal issues. A cloud-hosted machine works best. **Ensure that IP ports 8000 through 10000 are not blocked for Internet inbound and outbound traffic.**
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For more information on port forwarding with regards to residential networks,
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see [this document](http://www.mcs.sdsmt.edu/lpyeatt/courses/314/PortForwardingSetup.pdf).
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Prebuilt binaries are available for Linux x86_64 \(Ubuntu 18.04 recommended\).
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MacOS or WSL users may build from source.
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## GPU Requirements
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CUDA is required to make use of the GPU on your system. The provided Solana
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release binaries are built on Ubuntu 18.04 with [CUDA Toolkit 10.1 update 1](https://developer.nvidia.com/cuda-toolkit-archive). If your machine is using
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a different CUDA version then you will need to rebuild from source.
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