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Generated by Gemini:
Here are the two component lists for the DDR4 and DDR5 platforms, updated without the links.
These builds assume you are providing the 3x GTX 1080s and the Sliger CX4150 chassis. All components are selected to fit your chassis constraints (especially the 15-inch depth) and support your 3-GPU goal.
Option 1: The DDR4 (AM4) Build#
This platform (AMD Ryzen 5000) is mature, affordable, and provides the best value while still offering more than enough power to support your 3-GPU setup.
| Component | Representative Model | Description | Estimated Price |
|---|---|---|---|
| CPU | AMD Ryzen 9 5900X | A 12-core/24-thread CPU that provides excellent compute power for any CPU offloading. | ~$240.00 |
| Motherboard | ASUS ROG Strix B550-E Gaming | An ATX board with the crucial 3x PCIe x16 slots, spaced to allow for three dual-slot GPUs. | ~$200.00 |
| CPU Cooler | Noctua NH-D12L | A high-performance, dual-tower air cooler (145mm tall) designed to fit chassis under 158mm. | ~$90.00 |
| System RAM | G.Skill Ripjaws V 64GB (2x32GB) DDR4-3600 CL18 | A 64GB kit (2 sticks for stability) at the 3600MHz "sweet spot" for Ryzen 5000 CPUs. | ~$120.00 |
| Power Supply | Corsair RM1000e (1000W) | A 1000W 80+ Gold, fully modular ATX PSU, providing safe and clean power for your 3-GPU setup. | ~$160.00 |
| Storage | WD_BLACK SN770 1TB NVMe SSD | A very fast PCIe 4.0 M.2 drive for your OS and most-used LLM model files. | ~$75.00 |
| Case Fans | Arctic P12 PWM PST (3-Pack) | Three high-static-pressure 120mm fans, which are required to force air through your dense chassis. | ~$30.00 |
Estimated Total Cost (DDR4 Build): ~$915.00#
Option 2: The DDR5 (AM5) Build#
This platform (AMD Ryzen 7000) is newer, giving you faster single-core speeds, faster DDR5 RAM (which helps with CPU-side processing in hybrid mode), and a more modern upgrade path.
| Component | Representative Model | Description | Estimated Price |
|---|---|---|---|
| CPU | AMD Ryzen 7 7700X | An 8-core/16-thread AM5 processor with fast single-core speeds, ideal for hybrid inference. | ~$290.00 |
| Motherboard | ASUS TUF GAMING X670E-PLUS WIFI | A robust AM5 board with the 3x PCIe x16 slots physically spaced out (slots 1, 3, and 5) to fit all three of your GPUs. | ~$260.00 |
| CPU Cooler | Noctua NH-D12L | A high-performance 145mm tall cooler that fits the chassis height limit and includes an AM5 mount. | ~$90.00 |
| System RAM | G.Skill Flare X5 64GB (2x32GB) DDR5-6000 CL30 | A 64GB DDR5 kit at 6000MHz CL30, which is the performance "sweet spot" for the AMD Ryzen 7000 series. | ~$195.00 |
| Power Supply | Corsair RM1000e (1000W) | A 1000W 80+ Gold, fully modular ATX PSU, providing safe headroom for a modern CPU + 3 GPUs. | ~$160.00 |
| Storage | WD_BLACK SN770 1TB NVMe SSD | A very fast PCIe 4.0 M.2 drive for your OS and most-used LLM model files. | ~$75.00 |
| Case Fans | Arctic P12 PWM PST (3-Pack) | Three high-static-pressure 120mm fans, required to force air through your dense chassis. | ~$30.00 |
Estimated Total Cost (DDR5 Build): ~$1,100.00#
Disclaimer: Prices are good-faith estimates for the US market and will vary based on the retailer, sales, and component availability. This total does not include your already-owned chassis and GPUs.