# ThinkPad L14 Gen 2 AMD — Sam's Machine

> **Model:** Lenovo ThinkPad L14 Gen 2 (Type 20X6)
> **Hostname:** `nasbox`
> **IP:** `192.168.20.51`
> **OS:** NixOS (managed via `/etc/nixos` flake)

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## Hardware Specs

| Component | Detail |
|---|---|
| **CPU** | AMD Ryzen 5 PRO 5650U — 6 Cores / 12 Threads (Zen 3, Cezanne) |
| **GPU** | AMD Radeon RX Vega 7 (integrated) — `amdgpu` kernel driver |
| **RAM** | 16 GB DDR4 — **2x SODIMM slots** (upgradeable) |
| **Storage** | 256 GB NVMe SSD |
| **Display** | 14" FHD (1920×1080) — **10-point multi-touch touchscreen** |
| **Network** | Ethernet + Wi-Fi |

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## NixOS Integration

- **Flake:** `/etc/nixos#sam-4screen-desktop`
- **User Config:** Home Manager at `/etc/nixos/home/sam/home.nix`
- **GPU Driver:** `amdgpu` (open-source kernel driver) — excellent Wayland/Niri support
- **Touchscreen:** Works with `libinput` touch input — 10-point multi-touch enabled

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## Upgrade Potential

| Component | Current | Max Upgrade |
|---|---|---|
| **RAM** | 16 GB | 64 GB (2× 32 GB DDR4 SODIMM) |
| **Storage** | 256 GB NVMe | 1× M.2 NVMe (any size) |

> **Note:** Unlike the T14 series (soldered RAM + 1 slot), the L14 Gen 2 has **2 full SODIMM slots** — fully upgradeable to 64 GB.

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## Why This Machine

- **Zen 3 CPU** — 6c/12t Ryzen 5 PRO 5650U is excellent for compilation, VMs, and NixOS builds
- **Radeon Vega 7 iGPU** — first-class open-source `amdgpu` driver; smooth Wayland/Niri compositing
- **Full SODIMM slots** — no soldered RAM; upgradeable to 64 GB
- **Touchscreen** — 10-point multi-touch works with NixOS/libinput
- **Secure Boot** — easily disabled in BIOS; freedom-friendly hardware

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## See Also

- [[../../530 Areas/Tuya|Tuya]]