An objective article about the necessary hardware for GPU rendering workstations:



We are aware that researching workstations may occasionally be a somewhat dull process. So, we cover all the components that should be in your GPU rendering workstation in detail.


Redshift, Octane, and VRAY GPU are just a few examples of GPU rendering software. Additionally, they frequently employ multiple GPUs, thus in general, the more you have, the better your workstation will run.


GPU:


NVIDIA GeForce RTX cards now offer the best value in terms of price and performance, but more significantly, they utilize CUDA cores, which are necessary for all three of the aforementioned software. However, VRAY-RT does support OpenCL, so you could utilize an AMD graphics card in this scenario if you so desired. However, and depending on the render engine you use, you could need additional VRAM, in which case you'll be looking at NVIDIA Quadro GPUs.


CPU:


Your choice in this case will depend on the software you're using and the features you need. The majority of this software will benefit from a greater single-core clock speed, which often means an Intel CPU over an AMD one. Unless you're on a tight budget, in which case AMD processors are typically less expensive. AMD CPUs are now catching up to Intel, so you won't lose much.


How many PCIe-Lanes it can support is more crucial when it comes to multiple GPUs. Your GPU will be connected to the motherboard through PCIe x16 ports, which each need x16 lanes from your CPU. Therefore, a CPU that supports more PCIe-Lanes is required if you wish to be able to operate more than one GPU at full speed. For instance, the AMD Threadripper CPUs, which offer up to 64 PCIe Lanes, or the Intel i9 7900X, which has 44.


RAM:


At least 64 GB is advised because it will largely keep you covered on all fronts. You may choose 128 GB if you wanted to be extra cautious or, for example, deal with several huge and/or simultaneous files. But keep in mind that, depending on your motherboard, your system can often accept up to four sticks of RAM, so you may always start low and add later. However, it's also important to keep in mind that you'll need a motherboard with a chipset that supports it if you choose to either start with or increase it to 128 GB in the future.


Storage:


Storage comes in a range of capacities, typically: 250 GB, 500 GB, 1 TB, 2 TB, 4 TB, 10 TB, and so on, with costs rising in line with those capacities.


Most individuals should have a 250–500 GB NVMe, as much SSD storage as they require for their present tasks, and anything up to 4 TB for an HDD, should they feel the need or want for one.


Additional factors to think about:


There are a few other considerations, mainly PSU, Motherboard, and Cooling.


PSU is really simple; all you need is something with a capacity that is at least 10% more than your actual potential power usage. Additionally, you should confirm that it fits your preferred casing and has an efficiency rating of at least 80.


The motherboard will depend on the other components you've selected. Its chipset must match your CPU, whether it is AMD or Intel, and you must confirm that it has enough DIMM slots to accommodate the number of RAM modules you intend to add. Additionally, you must confirm that the case you have can accommodate it by comparing its form factor.


The most typical form of cooling is a CPU fan with a heatsink. The only other thing you need to double verify is whether the CPU cooler is compatible with AMD or Intel CPUs, just as with the motherboard. However, they frequently work well with both.


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