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Lenovo Legion Tower 5i
Listed 16GB NVIDIA configuration
Check the selected RTX 5070 Ti variant, RAM, storage and Linux driver support. Other variants on the listing may differ.
Check listing on Amazon ↗THE PUBLIC HARDWARE COMPANION / V2.1
Buy for a bottleneck.
Not for a model name.
Your existing machine may be enough. Start with the fit check, measure a small workload, then use these links if an upgrade solves a specific problem.
Check my existing hardwareAs an Amazon Associate we earn from qualifying purchases. Confirm the exact variant, current specifications, price, seller, condition and availability on Amazon. Listing descriptions here are selection cues, not live inventory or freshly verified specifications.
BEFORE ANY PURCHASE
01 / Prove the baseline
Use a small model, 4K context and one request. Record available RAM and actual GPU placement.
02 / Name the limit
Capacity, speed, storage or concurrency? More hardware only helps if it addresses that limit.
03 / Check the whole machine
Fit, power, connectors, drivers and return terms count as much as the VRAM label.
Complete systems
Choose the exact configuration. These towers ship with Windows; the guide’s server route requires installing Ubuntu on a dedicated drive.
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iBUYPOWER Element desktop
Listed 12GB NVIDIA configuration
Confirm the RTX 5070 variant, installed RAM, PSU and expansion options. Do not erase an existing Windows drive without a backup.
Check listing on Amazon ↗Desktop GPU candidates
A card upgrade makes sense when measured inference speed or memory is your actual limit.
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ZOTAC RTX 5070 Ti listing
16GB VRAM configuration to confirm
Check current Linux driver support, case clearance, power connectors and the exact selected SKU.
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ASUS Prime RTX 5070 listing
12GB VRAM configuration to confirm
Start with a 7B model and short context. This capacity does not guarantee a fully GPU-resident large agent.
Check listing on Amazon ↗24GB GPU listings
More room for models; still a purchase that needs a compatibility and condition check.
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RTX 3090 Founders Edition listing
24GB; confirm seller and condition
Check PSU, connectors, cooling, physical fit and return rights. Compare total cost rather than VRAM alone.
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RTX 3090 renewed listing
24GB; renewed condition to confirm
Review the refurbisher, warranty, return policy and proof of operation. Condition and seller can change.
Check listing on Amazon ↗Different platforms, different setup routes
These platforms use acceleration setups outside this edition’s installation instructions. Do not buy one expecting the Ubuntu NVIDIA or TrueNAS steps to carry over unchanged.
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Apple Mac mini listing
Apple Silicon / unified-memory route
Confirm the exact generation, memory and storage on Amazon. Native macOS setup is not covered by the v2 guide.
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NVIDIA DGX Spark listing
Dedicated AI system / ARM platform
Needs its own ARM software and acceleration route. It is not a drop-in replacement for the guide’s x86-64 server.
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AMD Ryzen AI Halo listing
Ryzen AI Max platform
Verify exact memory, operating system and runtime support. AMD acceleration setup is outside this guide.
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MINISFORUM MS-S1 Max listing
Ryzen AI Max workstation
Confirm the actual SKU, memory allocation, firmware and supported backend before buying.
Check listing on Amazon ↗RAM: COMPATIBILITY BEFORE CAPACITY
Check the machine’s manual first.
Confirm DDR generation, DIMM or SO-DIMM, maximum capacity, free slots and whether memory is soldered. Do not mix a desktop kit into a laptop shopping list.
A CPU machine with 32GB can be a useful starting point. Upgrading to 64GB adds capacity, not GPU-like speed. With a $0 budget, try smaller models and close other applications before spending anything.
HARDWARE IS ONLY THE FIRST DECISION
Get the setup route to go with it.
The guide connects model choice to installation, useful tasks and recovery.