OpenAI’s chat gpt oss 120b now FULLY locally tested and reviewed, run on the quad 3090 ai server. So is the 120b model actually… good? ๐ค
Quad 3090 Ryzen AI Rig Build 2025 Video w/cheaper components vs EPYC Build https://youtu.be/So7tqRSZ0s8
Written Build Guide with all the Updated AI Rig Component Options and Benchmarks https://digitalspaceport.com/local-ai-home-server-build-at-high-end-3500-5000-price/
*Note* In the prior video https://youtu.be/5kQz5p7BT28 I somehow ran the 20b and not the 120b as I thought I was running when I recorded and originally released it. Edits are now live to reflect it is a review of the 20b model.
QUAD 3090 AI HOME SERVER BUILD
GPU Rack Frame https://geni.us/GPU_Rack_Frame
Supermicro H12ssl-i MOBO (better option vs mz32-ar0) https://geni.us/MBD_H12SSL-I-O
Gigabyte MZ32-AR0 MOBO https://geni.us/mz32-ar0_motherboard
AMD 7V13 (newer, faster vs 7702) https://geni.us/EPYC_7V13_CPU
RTX 3090 24GB GPU (x4) https://geni.us/GPU3090
256GB (8x32GB) DDR4 2400 RAM https://geni.us/256GB_DDR4_RAM
PCIe4 Risers (x4) https://geni.us/PCIe4_Riser_Cable
AMD SP3 Air Cooler (easier vs water cooler) https://geni.us/EPYC_SP3_COOLER
iCUE H170i water cooler https://geni.us/iCUE_H170i_Capellix
(sTRX4 fits SP3 and retention kit comes with the CAPELLIX)
CORSAIR HX1500i PSU https://geni.us/Corsair_HX1500iPSU
4i SFF-8654 to 4i SFF-8654 (x4, not needed for H12SSL-i) https://geni.us/SFF8654_to_SFF8654
ARCTIC MX4 Thermal Paste https://geni.us/Arctic_ThermalPaste
Kritical Thermal GPU Pads https://geni.us/Kritical-Thermal-Pads
HDD Rack Screws for Fans https://geni.us/HDD_RackScrews
LOCAL AI SERVER BUILD WRITEUPS
High End AI Server https://digitalspaceport.com/local-ai-home-server-build-at-high-end-5000-price/
Mid Range Ai Server https://digitalspaceport.com/local-ai-home-server-build-at-mid-range-750-price/
$500 Deepseek R1 671B on a Z440 https://digitalspaceport.com/500-deepseek-r1-671b-local-ai-server/
โถ๏ธ Watch More from Digital Spaceport:
The Perfect Local AI GPU? NVIDIA’s 5060 Ti 16GB Tested! https://youtu.be/sCc-y4LXfHs
Local Ai Ultimate FAQs https://youtu.be/7kgMkzeX650
Deepseek R1 671b Running and Testing on a $2000 Local AI Server https://youtu.be/Tq_cmN4j2yY
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๐ Timestamps:
0:00 ChatGPT OSS Local Ai Full Review
2:21 Coding – FlippyBlock Extreme
4:22 Precision – Parsing Peppermints
4:40 Simple Cipher – Arbitrary Arrays
5:19 Precision – Create, Parse, Count
5:51 Maths – Numeric Comparison
6:05 Creative – SVG of a Cat on Fence
8:00 Pico de Gato
8:22 Recall – 100 Decimals of Pi
9:35 Word Problem – Two Drivers
10:43 Armageddon with a Twist
12:19 Conclusion
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