Unlocking 4x More Bandwidth on the CMP 170HX 64GB!
β‘ Alifond 170HX Cap Modded $2300 https://www.alibaba.com/product-detail/CMP-170HX-8GB-Guaranteed-unlock-to_1601608564782.html?spm=a2747.product_manager.0.0.402f71d2QUOb1f
β‘ Alifond Contact https://ailfond.com/Contact/
β‘ 170HX Memtest https://github.com/GpuZelenograd/memtest_vulkan
β‘ Amoghmunikote 170HX Unlocker https://github.com/amoghmunikote/cmpunlocker/releases
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I finally tested the CMP 170HX ...PCIe Gen 2 x16 capacitor mod!
In this video, I'm comparing three 8GB CMP 170HX GPUs: a standard Gen 2 x4 card, another Gen 2 x4 card with memory errors, and a capacitor-modded CMP 170HX that unlocks PCIe Gen 2 x16.
The bandwidth difference is HUGE.
Using NVIDIA's nvbandwidth, the standard Gen 2 x4 cards reached around 1.7 GB/s from the host to the GPU, while the Gen 2 x16 capacitor-modded CMP 170HX reached around 6.7 GB/s β roughly 4Γ the transfer bandwidth.
I also test GPU-to-host bandwidth, GPU-to-GPU transfers, PyTorch performance, Llama/Qwen inference and token generation, GPU memory errors, and GPU Burn.
Interestingly, the PCIe x16 modification doesn't appear to significantly change token generation when the model is already loaded into VRAM. The major advantage is the increased PCIe transfer bandwidth, which could be useful when loading large models or moving data between the CPU and GPU.
I'm also testing the latest CMP 170HX unlocker, including the newer NVIDIA open driver setup.
I have another batch of eight capacitor-modded Gen 2 x16 CMP 170HX GPUs, so there will be more testing coming soon!
If you're interested in the CMP 170HX, the 64GB VRAM unlock, or the capacitor-modified cards mentioned in the video, check the links below.
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Linus Tech Tips - This GPU can be Hacked to Unlock Secret Memory https://www.youtube.com/watch?v=pvSdeU13hKc&t=288s
Chapters
00:00 I Unlocked 64GB on the CMP 170HX
02:43 The New CMP 170HX Unlocker v4
04:20 Setting Up the CMP 170HX on Ubuntu
04:46 CMP 170HX Memory Error Test
05:33 PCIe Gen 2 x4 vs x16
06:03 How Much Faster Is the CMP 170HX With PCIe x16?
06:53 Host-to-GPU vs GPU-to-Host Bandwidth
07:28 Does PCIe x16 Improve GPU-to-GPU Performance?
09:26 CMP 170HX 64GB AI & LLM Inference Test
10:33 Can You Mine With a Memory-Erroring CMP 170HX?
11:30 Eight More 64GB CMP 170HX GPUs
12:15 Is the CMP 170HX Unlock Worth It?
12:32 $25 Bitcoin Hashpower Giveaway
12:50 Where to Get a Modded CMP 170HX
#CMP170HX #CMP170HX64GB #170HX #NVIDIA #GPU #AIGPU #AI #LLM #GPUMining #PCIe #PCIeGen2 #GPUBenchmark #VRAM #64GBVRAM #RedPandaMiningShow More
Unlocking 4x More Bandwidth on the CMP 170HX 64GB!
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