VR2R-0704_r1

VR2R-0704

① SA Source

• Source: 開啟完整 SA 文章
• Section: VR NVL72 TCO: BoM and Power Budget Analysis
• Line hint: 609

Context Before

For AMD’s Helios rack scale system, AMD sells the GPU/board and does procure the LPDDR5 memory, but it does not procure DDR5 DRAM for rack compute trays; rack assemblers/ODMs source and integrate DDR5 memory.

Evidence

This leaves buyers of AMD’s racks more exposed because AMD is only able to potentially “hedge” the LPDDR5 portion via long-term contracts leaving the DDR5 portion completely exposed.

Context After

Having double the DRAM content also nearly doubles the overall exposure.

② Atomic Claim

因此 AMD rack 的買方對 memory price 上漲更敏感：AMD 最多只能透過 long-term contracts 對沖 LPDDR5 部分，而 DDR5 部分則完全暴露於價格變動。

• Epistemic Mode: HYPOTHETICAL
• Mapping Status: COMPLETE

③ Semantic Frame

{
  "frame_type": "NARY_RELATION",
  "participants": [
    {
      "node": {
        "id": "02_companies/AMD",
        "label": "AMD"
      },
      "role": "vendor"
    },
    {
      "node": {
        "id": "04_knowledge_base/LPDDR5",
        "label": "LPDDR5"
      },
      "role": "potentially_hedged_memory"
    },
    {
      "node": {
        "id": "04_knowledge_base/DDR5",
        "label": "DDR5"
      },
      "role": "unhedged_memory"
    }
  ],
  "qualifiers": {
    "condition_text": "LPDDR5 may be hedged through long-term contracts; DDR5 remains exposed",
    "numeric_mentions": [],
    "temporal_mentions": [
      "long-term contracts"
    ]
  },
  "relation_type": "AMD_RACK_BUYERS_MEMORY_PRICE_EXPOSURE"
}

④ Canonical Entity Mapping

Role	Surface Label	Canonical Target
vendor	AMD	AMD
potentially_hedged_memory	LPDDR5	LPDDR5
unhedged_memory	DDR5	DDR5

⑤ Human Review

請在 Properties 逐項確認：

• 原文 → Atomic Claim 是否忠實
• Atomic Claim → Semantic Frame 是否忠實
• Canonical Entity mapping 是否正確
• Epistemic mode 是否保留原文語氣
• 最後選擇 review_action

Review state

Markdown 內文不是正式 approval。只有 Apply bridge 寫入的 Decision Ledger event 才是正式決策。