{
  "sku": "100296702712",
  "lowestPrice": 49899,
  "spec_power": 240,
  "date": "2026-10-20",
  "source": "competitor_analysis",
  "rank": 1,
  "brand": "英伟达（NVIDIA）",
  "model": "DGX Spark GB10",
  "price_str": "¥49,899",
  "shop": "京东自营",
  "product_id": "100296702712",
  "core_specs": {
    "cpu": "NVIDIA Grace Blackwell GB10",
    "memory": "128GB",
    "storage": "4TB SSD",
    "os": "Ubuntu (DGX OS)",
    "wifi": "Wi-Fi 7",
    "gpu_type": "NVIDIA Grace Blackwell GB10",
    "memory_type": "ECC",
    "power_type": "非冗余"
  },
  "service": {
    "warranty_policy": ["90天只换不修", "一年质保", "7天价保"],
    "support_7day_return": false
  },
  "all_competitors": [
    {"rank": 1, "brand": "英伟达（NVIDIA）", "model": "DGX Spark GB10", "price": 49899},
    {"rank": 2, "brand": "超聚变", "model": "FusionXpark GB10", "price": 39299, "note": "最低价，比自营低10600"},
    {"rank": 3, "brand": "英伟达（NVIDIA）", "model": "DGX Spark", "price": 51899}
  ]
}