Milk-V Megrez Mini-ITX RISC-V AI PC Board (ESWIN EIC7700X)
Standard Mini-ITX open-architecture RISC-V AI workstation board powered by the ESWIN EIC7700X SoC (quad-core SiFive P550 out-of-order CPU + 19.95 TOPS INT8/FP16 NPU), supporting up to 32GB LPDDR5 and discrete PCIe x8 GPUs/accelerators.
Editorial Rating Methodology (★ 4.8 / 5.0): This score is an internal editorial evaluation compiled by the RECIWO Labs editorial team—not a user poll or crowd-voted rating. It assesses published silicon compute efficiency (25%), optical/sensor/actuator engineering (25%), battery & thermal envelope (20%), SDK/software openness (15%), and price-to-specification value (15%) based on official manufacturer datasheets and public technical documentation. Learn more about our evaluation rubric →
Key Engineering Highlights
- Pairs four out-of-order SiFive Performance P550 RISC-V cores with a 19.95 TOPS (INT8/INT16/FP16) NPU and up to 32GB of high-bandwidth LPDDR5 RAM for $199
- Standard 170×170mm Mini-ITX layout fits any PC case and includes an open-ended PCIe x8 slot validated with AMD Radeon GPUs and M.2/PCIe NPU cards
- Hardware video engine decodes 32 channels of 1080p30 H.265 simultaneously, making it an ideal open-ISA edge NVR and local LLM gateway
Full Hardware Specifications
| Processor / Edge SoC | ESWIN EIC7700X (4× SiFive P550 OoO RV64GBCH @ 1.8GHz + 19.95 TOPS NPU + IMG GPU) |
|---|---|
| AI Model Stack | Local Qwen2.5-7B / Llama-3.2-3B / DeepSeek-R1-7B via ENNP SDK & llama.cpp |
| Display & Optics | Dual HDMI 2.0 (4K60) + MIPI DSI via Imagination AXM-8-256 GPU |
| Camera & Vision | Dual MIPI CSI-2 4-Lane Camera Connectors + Hardware H.264/H.265 8K VPU |
| Measured Weight | 265g (170mm × 170mm Standard Mini-ITX Desktop Motherboard) |
| Battery & Runtime | 12V DC Jack or Standard 24-Pin ATX Power Supply (~15W–28W Board Draw) |
| Connectivity & I/O | Dual Gigabit Ethernet + M.2 E-Key Wi-Fi 6 + PCIe Gen3 x8 Slot + M.2 NVMe + 2× SATA3 |
| Sensors & Acoustics | 16GB or 32GB 128-Bit LPDDR5 (6,400 MT/s) + Hardware Crypto & ECC Support |
⚖️ Side-by-Side Comparison: Milk-V Megrez Mini-ITX RISC-V AI PC Board (ESWIN EIC7700X) vs. Edge Compute & DevKits Peers
Direct specification comparison against leading competing devices in the Edge Compute & DevKits category.
| Specification | Milk-V Megrez Mini-ITX RISC-V AI PC Board (ESWIN EIC7700X) (Current) | NVIDIA Jetson Orin NX Super Edge AI DevKit → | Xiaozhi AI Voice Cube Pro (ESP32-S3 Open DevKit) → | Apple Mac mini (M5 Pro 64GB) Private AI Node → |
|---|---|---|---|---|
| Brand | Milk-V × ESWIN | NVIDIA | Open Hardware Community | Apple |
| Retail Price | $199 | $499 | $12 | $1,799 |
| Editorial Rating | ||||
| Edge SoC | ESWIN EIC7700X (4× SiFive P550 OoO RV64GBCH @ 1.8GHz + 19.95 TOPS NPU + IMG GPU) | NVIDIA Ampere GPU (1024 CUDA + 32 Tensor Cores) | Espressif ESP32-S3R8 (Dual-Core LX7 @ 240MHz + 8MB PSRAM) | Apple M5 Pro (14c CPU + 20c GPU + 16c Neural Engine) |
| AI Model Stack | Local Qwen2.5-7B / Llama-3.2-3B / DeepSeek-R1-7B via ENNP SDK & llama.cpp | Runs Llama-3.2 8B / Qwen2.5-VL 7B / YOLO11 Locally | Edge ESP-SR Wake + Realtime Cloud Voice LLMs | MLX Accelerated Qwen3-32B / Llama-3.3-70B |
| Display / Optics | Dual HDMI 2.0 (4K60) + MIPI DSI via Imagination AXM-8-256 GPU | HDMI 2.1 / DP 1.4 (Up to 8K) | 1.28-inch Circular IPS LCD (240×240) / 0.96" OLED | Supports up to three 6K displays |
| Camera | Dual MIPI CSI-2 4-Lane Camera Connectors + Hardware H.264/H.265 8K VPU | Dual MIPI CSI-2 Camera Lanes + 4× USB 3.2 | Optional OV2640 / GC2145 Camera Module | External USB-C / Studio Display Camera |
| Weight | 265g (170mm × 170mm Standard Mini-ITX Desktop Motherboard) | 450g (including active heatsink & carrier board) | 62g (with 3D-printed enclosure & speaker cavity) | 730g |
| Battery | 12V DC Jack or Standard 24-Pin ATX Power Supply (~15W–28W Board Draw) | 19V DC Input (15W–40W configurable TDP) | 800mAh LiPo (5h continuous dialogue) | Internal 155W PSU (4W idle draw) |
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