{ "schemaVersion": 1, "productId": "western-digital-wd-red-pro-wd4005ffbx-4tb", "exactMpn": "WD4005FFBX", "runId": "buying-research-full-grok-20260911", "recordedAt": "2026-09-11T08:39:02.253351+00:00", "subject": { "sha256": "54ab499b3fd18db7e6d42cec17c4f25f69f268b3ac9541b7cd97eab82429ae93", "hashKind": "research-payload-sha256", "algorithm": "SHA-256 of UTF-8 JSON with recursively sorted object keys, no optional whitespace, Unicode unescaped; remove only top-level provenance, reviewedAt, reviewedBy, editorialStatus." }, "actors": [ { "id": "legacy-qnap_research", "label": "GPT-5.6 Sol", "provider": "openai", "model": "gpt-5.6-sol", "effort": "xhigh", "agentRoleName": "qnap_research", "identityBasis": "Verified dispatch model selection and matching dated run report; not a provider-side attestation.", "evidenceRefs": [ "reports/buying-research-all-products-20260910/README.md" ] }, { "id": "legacy-hdd_research", "label": "GPT-5.6 Sol", "provider": "openai", "model": "gpt-5.6-sol", "effort": "xhigh", "agentRoleName": "hdd_research", "identityBasis": "Verified dispatch model selection and matching dated run report; not a provider-side attestation.", "evidenceRefs": [ "reports/buying-research-all-products-20260910/README.md" ] }, { "id": "legacy-other_nas_research", "label": "GPT-5.6 Sol", "provider": "openai", "model": "gpt-5.6-sol", "effort": "xhigh", "agentRoleName": "other_nas_research", "identityBasis": "Verified dispatch model selection and matching dated run report; not a provider-side attestation.", "evidenceRefs": [ "reports/buying-research-all-products-20260910/README.md" ] }, { "id": "legacy-codex-root", "label": "GPT-6 (Codex)", "provider": "openai", "model": null, "modelFamily": "GPT-6", "effort": null, "agentRoleName": "root", "identityBasis": "Codex host model family confirmed; exact model variant/effort not preserved in the product audit. Unknown fields remain null.", "evidenceRefs": [ "reports/buying-research-all-products-20260910/README.md", "reports/buying-research-all-products-20260910/browser-acceptance.json" ] }, { "id": "b08-grok", "label": "Grok 4.6", "provider": "xai", "model": "grok-4.6", "effort": "xhigh", "identityBasis": "Verified execution receipt", "sessionId": "01a08f3f-9562-7021-b758-142f1b387e37" }, { "id": "current-codex-root", "label": "GPT-6 (Codex)", "provider": "openai", "modelFamily": "GPT-6", "model": null, "effort": null, "identityBasis": "Host model family confirmed; exact variant and effort not asserted." } ], "events": [ { "id": "legacy-20260910-1", "actorId": "legacy-hdd_research", "role": "research-and-self-review", "scope": "research and self-review", "legacyLabel": "/root/hdd_research — research and self-review", "reviewedAt": "2026-09-10T02:57:11.326059+00:00", "subjectSha256": "12abca35f08f16366b76712b2dbcb98f78a16591167a5b5ee14da9c4b2cf9588", "subjectHashKind": "raw-file-sha256", "recordedAt": "2026-09-11T05:49:51.110527+00:00", "status": "historical-record", "evidenceRefs": [ "reports/buying-research-all-products-20260910/editorial-decisions.json" ] }, { "id": "legacy-20260910-2", "actorId": "legacy-other_nas_research", "role": "independent-evidence-review", "scope": "independent evidence review", "legacyLabel": "/root/other_nas_research — independent evidence review", "reviewedAt": "2026-09-10T02:57:11.326059+00:00", "subjectSha256": "12abca35f08f16366b76712b2dbcb98f78a16591167a5b5ee14da9c4b2cf9588", "subjectHashKind": "raw-file-sha256", "recordedAt": "2026-09-11T05:49:51.110527+00:00", "status": "historical-record", "evidenceRefs": [ "reports/buying-research-all-products-20260910/owners/nas_other/reviews-by-nas-other/western-digital-wd-red-pro-wd4005ffbx-4tb.json" ] }, { "id": "legacy-20260910-3", "actorId": "legacy-codex-root", "role": "integration-and-page-review", "scope": "integration and local page review", "legacyLabel": "/root — integration and local page review", "reviewedAt": "2026-09-10T02:57:11.326059+00:00", "subjectSha256": "12abca35f08f16366b76712b2dbcb98f78a16591167a5b5ee14da9c4b2cf9588", "subjectHashKind": "raw-file-sha256", "recordedAt": "2026-09-11T05:49:51.110527+00:00", "status": "historical-record", "evidenceRefs": [ "reports/buying-research-all-products-20260910/editorial-decisions.json" ] }, { "actorId": "b08-grok", "role": "research-and-self-check", "status": "completed", "subjectSha256": "54ab499b3fd18db7e6d42cec17c4f25f69f268b3ac9541b7cd97eab82429ae93", "researchedAt": "2026-09-11" }, { "actorId": "current-codex-root", "role": "independent-review", "status": "completed", "subjectSha256": "54ab499b3fd18db7e6d42cec17c4f25f69f268b3ac9541b7cd97eab82429ae93", "reviewedAt": "2026-09-11T08:39:02.253351+00:00", "scope": "Exact Jan2025 WD Red Pro4/6/8TB columns and footnotes, conflicting official store values, exact current merchant primary offers and dated historical rows; bounded Kakaku user experience for4TB. No exact-MPN lab benchmark claimed; gaps and index decisions preserved.", "evidenceChecks": [ "Parent previously read full Jan2025 WD4/6/8TB columns:267MB/s,2Mhours,4TB5.8/4W vs6/8TB6.9/4.9W,29/36dBA,720g±3%; conflict with store217/238/235 retained unresolved.", "Footnotes retain40°C workload rating and MTBF220TB/year40°C conditions; no drive lifespan inferred.", "Parent corrected own earlier Newegg other-seller-popover mistake: primary4TBNewegg244.99,6TBBruteNetworks434.45,8TBNewegg379.99; saved dates preserved.4TBH1 missing finalX is disclosed, exactModel field WD4005FFBX remains.", "Amazon4/8TB new-condition proof absent so excluded;6TB BuyNew OneDealOutlet438.38/3left confirmed. CDW6TB exactMfgWD6005FFBX364.99 and ItemBackordered hidden stock field read.", "Kakaku4TB full original reviewed: author サイクロンエフェクト, HP NAS RAID6 replacement until next-fiscal-year NAS, not long-term reliability or universal HCL." ] } ], "sourceOrigins": { "status": "not-inferred-per-source", "explanation": "The recorded page researchers/reviewers do not prove who originally discovered or reread each inherited source. Source-level historical author attribution is unknown unless a specific source audit establishes it." }, "sources": [ { "id": "datasheet", "title": "Western Digital WD Red Pro datasheet (January 2025)", "url": "https://documents.westerndigital.com/content/dam/doc-library/en_us/assets/public/western-digital/product/internal-drives/wd-red-pro-hdd/data-sheet-wd-red-pro-hdd.pdf", "kind": "official", "checkedAt": "2026-09-11", "locator": "Page 4 WD4005FFBX column plus footnotes 1–8 and page 1 unlimited-bays highlight", "readAction": "opened", "readScope": "pdftotext pages 1 and 4, target column and footnotes", "readingActorId": "b08-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "c5574ccdeaa941cad2cf2fa04a98b9d29f9bbd48fbeae412ebdafaa54430e35b", "mimeType": "application/pdf", "sourceUrl": "https://www.westerndigital.com/content/dam/doc-library/en_us/assets/public/western-digital/product/internal-drives/wd-red-pro-hdd/data-sheet-wd-red-pro-hdd.pdf", "description": "January 2025 WD Red Pro data sheet" } ] }, { "id": "official-store", "title": "WD US store: 4TB WD Red Pro WD4005FFBX", "url": "https://www.westerndigital.com/products/internal-drives/wd-red-pro-sata-hdd?sku=WD4005FFBX", "kind": "official", "checkedAt": "2026-09-11", "locator": "Selected 4TB variant; Specifications block; Key Features; Disclosures 1–4", "readAction": "opened", "readScope": "decompressed store HTML specifications for selected SKU", "readingActorId": "b08-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "98adc5ade657b9caa926eb0cb3b8fee54c386db25954c849accdce489fe836b2", "mimeType": "text/html", "sourceUrl": "https://www.westerndigital.com/products/internal-drives/wd-red-pro-sata-hdd?sku=WD4005FFBX", "description": "US store SKU page" } ] }, { "id": "offer-newegg", "title": "Newegg WD4005FFBX product listing", "url": "https://www.newegg.com/red-pro-wd4005ffbx-4tb/p/1Z4-0002-01PE4", "kind": "merchant", "checkedAt": "2026-09-11", "locator": "H1/pn WD4005FFBX; Sold by Newegg; $244.99; Instock true", "readAction": "opened", "readScope": "Newegg HTML price/seller/instock JSON", "readingActorId": "b08-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "8b7e5969b3e0485cf1fff43b0ddc9d70773fa159a74a932742875c0e68abf4b2", "mimeType": "text/html", "sourceUrl": "https://www.newegg.com/red-pro-wd4005ffbx-4tb/p/1Z4-0002-01PE4", "description": "Newegg PDP HTML" } ] }, { "id": "offer-bandh", "title": "B&H WD4005FFBX product listing", "url": "https://www.bhphotovideo.com/c/product/1830093-REG/wd_wd4005ffbx_spcaun0_red_pro_nas_hard.html", "kind": "merchant", "checkedAt": "2026-09-11", "locator": "Historical 2026-09-08 observation; 2026-09-11 Cloudflare challenge", "readAction": "blocked", "readScope": "Cloudflare Just a moment", "readingActorId": "b08-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "7848ad8f50ae9e01a3e541650213ab8d78d1ff20df9e7e44f8505afc5692d25e", "mimeType": "text/html", "sourceUrl": "https://www.bhphotovideo.com/c/product/1830093-REG/wd_wd4005ffbx_spcaun0_red_pro_nas_hard.html", "description": "B&H challenge page" } ] }, { "id": "offer-western-digital", "title": "Western Digital WD4005FFBX product listing", "url": "https://www.westerndigital.com/products/internal-drives/wd-red-pro-sata-hdd?sku=WD4005FFBX", "kind": "merchant", "checkedAt": "2026-09-11", "locator": "Manufacturer PDP; price/inventory remain unresolved templates", "readAction": "opened", "readScope": "Same US store HTML as official-store; no separate priced offer", "readingActorId": "b08-grok", "checkedOn": "2026-09-11", "materials": [] }, { "id": "offer-amazon-20260911", "title": "Amazon WD4005FFBX detail page B0D1V6F7Y9", "url": "https://www.amazon.com/dp/B0D1V6F7Y9", "kind": "merchant", "checkedAt": "2026-09-11", "locator": "Title WD4005FFBX; unqualifiedBuyBox; no selected new main offer", "readAction": "opened", "readScope": "Amazon HTML title, buy box, price, seller", "readingActorId": "b08-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "c126b6339ba87a21de199538a69a5d7768a6dcb9edd9605e8c01fad6ea3256e9", "mimeType": "text/html", "sourceUrl": "https://www.amazon.com/dp/B0D1V6F7Y9", "description": "Amazon PDP HTML" } ] }, { "id": "kakaku-1906010", "title": "Kakaku.com user review 1906010 of WD4005FFBX", "url": "https://review.kakaku.com/review/K0001623827/", "kind": "review", "checkedAt": "2026-09-11", "locator": "Review 2024-11-24; RAID6 HP NAS hot-swap narrative", "readAction": "opened", "readScope": "cp932 review body 1906010", "readingActorId": "b08-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "c141c86abf4cb7d5969dfbd9acebeda7f5c7ca9e62c5d39d96bbe8711bf43567", "mimeType": "text/html", "sourceUrl": "https://review.kakaku.com/review/K0001623827/", "description": "Kakaku review page" } ] }, { "id": "nero-score", "title": "Nero Score user results for WDC WD4005FFBX-68CAUN0", "url": "https://score.nero.com/ssd-hdd-benchmark/wdc-wd4005ffbx-68caun0", "kind": "review", "checkedAt": "2026-09-11", "locator": "User-submitted sequential 254/253 MB/s; first-seen date 08/2021 is inconsistent with this SKU", "readAction": "opened", "readScope": "fetch_content summary; no local HTML saved", "readingActorId": "b08-grok", "checkedOn": "2026-09-11", "materials": [] }, { "id": "ixbt-citilink", "title": "iXBT forum report of a relabeled WD4005FFBX from Citilink", "url": "https://forum.ixbt.com/topic.cgi?id=11:49721-64", "kind": "review", "checkedAt": "2026-09-11", "locator": "Single-user claim: Hitachi relabel, edited firmware, speed far below rating; Russian retailer, not a US offer", "readAction": "opened", "readScope": "cp1251 refund paragraph", "readingActorId": "b08-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "c972902acc33bfb15b234c8ac3879f6859c67b711a10ee4743e1fcb82ca07c0e", "mimeType": "text/html", "sourceUrl": "https://forum.ixbt.com/topic.cgi?id=11:49721-64", "description": "iXBT thread page 64" } ] }, { "id": "wd-warranty", "title": "Western Digital warranty policy", "url": "https://www.westerndigital.com/support/store/warranty-policy", "kind": "policy", "checkedAt": "2026-09-11", "locator": "Region-specific limited warranty details linked from data sheet footnote 7 / store disclosure 4", "readAction": "opened", "readScope": "Warranty policy HTML saved; used as the regional-warranty locator, not as a priced offer", "readingActorId": "b08-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "4602234e63ed2e10376a089dcc779f8c87209aec12e9b21bb9527a55341a16a7", "mimeType": "text/html", "sourceUrl": "https://www.westerndigital.com/support/store/warranty-policy", "description": "WD warranty policy" } ] } ], "coverage": { "productId": "western-digital-wd-red-pro-wd4005ffbx-4tb", "roundStatus": "部分完成", "dimensions": [ { "id": "identity", "status": "已核实", "evidenceIds": [ "ev-datasheet-column", "ev-store-sku" ], "remainingFields": [ "Synology/QNAP exact-MPN HCL row" ], "nextStep": "Browser the vendor compatibility widgets for this MPN.", "reusedVsReread": "Reread January 2025 column and US store SKU selector." }, { "id": "specifications", "status": "部分覆盖", "evidenceIds": [ "ev-datasheet-column", "ev-store-sku" ], "remainingFields": [ "Vibration limits unpublished", "Store vs data sheet transfer/OptiNAND/weight conflict unresolved by vendor" ], "nextStep": "Do not average conflicting official numbers.", "reusedVsReread": "PDF reread; baseline order preserved; notes appended." }, { "id": "software-limits", "status": "部分覆盖", "evidenceIds": [ "ev-store-sku" ], "remainingFields": [ "Exact Synology DSM / QNAP QTS HCL", "HP NAS model in the Kakaku story" ], "nextStep": "Parent browser on vendor HCL if JSON APIs stay empty.", "reusedVsReread": "Store TLER/unlimited-bay copy reread; HCL pages were shells." }, { "id": "direct-measurement", "status": "部分覆盖", "evidenceIds": [ "ev-kakaku-1906010" ], "remainingFields": [ "Exact-MPN lab with method and charts" ], "nextStep": "Keep older MPNs out of reviews[].", "reusedVsReread": "Searched exact + family; Kakaku is qualitative only." }, { "id": "related-experience", "status": "部分覆盖", "evidenceIds": [ "ev-nero-user", "ev-ixbt-relabel", "ev-storagereview-2014-related", "ev-youtube-sometechguy-pending" ], "remainingFields": [ "SomeTechGuy video ASR/frames", "Previous-generation 6TB/8TB articles not fully re-opened as related cards for every SKU" ], "nextStep": "Parent ASR for DXM7znUSIPg.", "reusedVsReread": "StorageReview 2014 identity read; iXBT/Nero only on 4TB." }, { "id": "us-new-pdp", "status": "部分覆盖", "evidenceIds": [ "ev-store-sku" ], "remainingFields": [ "B&H/MemoryC live HTML", "Amazon B0D1V6F7Y9 selected new buy box (currently unqualified)" ], "nextStep": "Keep Amazon 4TB pending. Do not restore condition=new from the title.", "reusedVsReread": "Newegg reread; Amazon/CDW new facts recorded with 2026-09-11 dates." }, { "id": "buying-judgment", "status": "已核实", "evidenceIds": [ "ev-datasheet-column", "ev-store-sku", "ev-kakaku-1906010" ], "remainingFields": [], "nextStep": "Independent review.", "reusedVsReread": "Synced store/data-sheet conflict, empty lab-test gap, and current listings into readerGuide." }, { "id": "video", "status": "访问受阻", "evidenceIds": [ "ev-youtube-sometechguy-pending" ], "remainingFields": [ "https://www.youtube.com/watch?v=DXM7znUSIPg ASR and identity frames" ], "nextStep": "Parent in-app transcript/frames. Do not infer dBA from audio.", "reusedVsReread": "Attempted fetch_content and oembed; no watch-page body." } ] }, "retiredRecords": [ { "kind": "offer", "id": "newegg", "reason": "Same Newegg/PDP/MPN as 2026-09-08 $244.99 row; replaced on the displayed list by current-newegg-20260911-new after a new open. Historical 2026-09-08 facts kept here, timestamp not edited." }, { "kind": "offer", "id": "amazon-b0d1v6f7y9-20260911", "reason": "Parent: do not publish condition=new from title. 2026-09-11 HTML is unqualifiedBuyBox with empty offerListingID/merchantID and no Buy New accordion. Exact-MPN PDP kept as pending candidate only; original checkedAt 2026-09-11 preserved here.", "preservedRecord": { "id": "amazon-b0d1v6f7y9-20260911", "merchant": "Amazon", "seller": "Marketplace seller not visible in buy box", "url": "https://www.amazon.com/dp/B0D1V6F7Y9", "exactMpn": "WD4005FFBX", "configuration": "One 4 TB WD4005FFBX 3.5-inch SATA internal NAS HDD", "priceUsd": null, "currency": "USD", "availability": "unknown", "condition": "new", "conditionBasis": "Detail page title and About this item identify WD4005FFBX. Buy box is unqualifiedBuyBox with empty offerListingID and merchantID.", "checkedAt": "2026-09-11", "sourceId": "offer-amazon-20260911", "evidenceLocator": "Title WD4005FFBX; desktop_buybox unqualifiedBuyBox; ASIN B0D1V6F7Y9", "shipping": "Unknown; no selected offer.", "purchaseConditions": "Exact-MPN PDP only. Do not use nearby widget prices ($189.99 / $179.98 / $241.81) as this ASIN’s buy box." } } ], "originalMaterial": { "status": "per-source-records", "note": "Available original captures are retained locally with SHA-256. Public records contain source URLs and locators; they do not reproduce full third-party content. An absent capture is not a claim of a saved original." } }