{ "schemaVersion": 1, "productId": "western-digital-wd-red-pro-wd181kfgx-18tb", "exactMpn": "WD181KFGX", "runId": "buying-research-full-grok-20260911", "recordedAt": "2026-09-11T09:18:05.667833+00:00", "subject": { "sha256": "e0de95d7755ac9642a4a7ee1fbfc894b14b1178cfb77d0d57076ff14dc4b0822", "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": "b07-grok", "label": "Grok 4.6", "provider": "xai", "model": "grok-4.6", "effort": "xhigh", "identityBasis": "Verified execution receipt", "sessionId": "01a08f3b-5418-768b-af04-8075a95175c1" }, { "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": "357cb151e87dd15f91215072419ce83989420ce240135dec30313054883970f2", "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": "357cb151e87dd15f91215072419ce83989420ce240135dec30313054883970f2", "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-wd181kfgx-18tb.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": "357cb151e87dd15f91215072419ce83989420ce240135dec30313054883970f2", "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": "b07-grok", "role": "research-and-self-check", "status": "completed", "subjectSha256": "e86bd4f449ea8ecec99774ab5e4b36ad93055a67ebc384358fb1856f839abe87", "researchedAt": "2026-09-11" }, { "actorId": "current-codex-root", "role": "editorial-correction", "status": "completed", "inputSubjectSha256": "e86bd4f449ea8ecec99774ab5e4b36ad93055a67ebc384358fb1856f839abe87", "subjectSha256": "e0de95d7755ac9642a4a7ee1fbfc894b14b1178cfb77d0d57076ff14dc4b0822", "changes": [ { "field": "reviews/specifications/readerGuide", "change": "Added omitted original Hardwareluxx power/sound measurements and methods; clarified HD-Tune rows and idle sound floor; retained current official specification footnotes." } ] }, { "actorId": "current-codex-root", "role": "independent-review", "status": "completed", "subjectSha256": "e0de95d7755ac9642a4a7ee1fbfc894b14b1178cfb77d0d57076ff14dc4b0822", "reviewedAt": "2026-09-11T09:18:05.667833+00:00", "scope": "Exact January2025 official column and footnotes; complete Hardwareluxx original six-page test and target table rows; primary Newegg pane and dated historical offers.", "evidenceChecks": [ "Parent visually read original PDFpages2/3 including all assigned columns; full official footnotes previously read. Current MPN/CMR/helium/cache/power/acoustics/MTBF/workload match.", "Parent read full six-page original article and exact table rows, including repeated5V/12V measurements and ordinary-room sound-floor limitation.", "Parent read primary Newegg original buy box exact price/seller/Add-to-cart; prior timestamps retained and other-seller popovers excluded.", "No new scoring/index approval; model-specific HCL, video and blocked merchants remain explicit partial coverage." ] } ], "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": "official-datasheet", "title": "Western Digital WD Red Pro data sheet — January 2025", "url": "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", "kind": "official", "checkedAt": "2026-09-11", "locator": "January 2025 family PDF, WD181KFGX column plus footnotes 1–8; highlights 'unlimited # of bays'", "readAction": "opened", "readScope": "January 2025 family PDF, WD181KFGX column plus footnotes 1–8; highlights 'unlimited # of bays'", "readingActorId": "b07-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" }, { "sha256": "49d1742d556c138c3e9b2da9d541012866652c6fd771a18af3994382bf794ab1", "mimeType": "text/plain", "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": "pdftotext -layout extract" } ] }, { "id": "review-hardwareluxx-wd181", "title": "WD Red Pro WD181KFGX 18TB review", "url": "https://www.hardwareluxx.de/index.php/artikel/hardware/storage/58166-wd-red-pro-wd181kfgx-mit-18-tb-im-test-schnell-aber-teuer.html", "kind": "review", "checkedAt": "2026-09-10", "locator": "Exact-MPN original test; configuration, findings, measurements and limitations preserved in the matching review record.", "readAction": "opened", "readScope": "Exact-MPN original test; configuration, findings, measurements and limitations preserved in the matching review record.", "readingActorId": "b07-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "ce23d79037a0686b1d6f0a05288c5afb5eee89bd02f45dbf730474978383eb71", "mimeType": "text/html", "sourceUrl": "https://www.hardwareluxx.de/index.php/artikel/hardware/storage/58166-wd-red-pro-wd181kfgx-mit-18-tb-im-test-schnell-aber-teuer.html", "description": "Hardwareluxx WD181KFGX page 1" }, { "sha256": "35c98ecbb1f225f71ccf1733bcbb04aacd9a682f5a376a5fa7a35ae3dfbb2caf", "mimeType": "text/html", "sourceUrl": "https://www.hardwareluxx.de/index.php/artikel/hardware/storage/58166-wd-red-pro-wd181kfgx-mit-18-tb-im-test-schnell-aber-teuer.html", "description": "Hardwareluxx WD181KFGX page 2" }, { "sha256": "a45d2f906ae7448474b7f2a548e4d47bd33fa920519831d25b25e802bb3e071f", "mimeType": "text/html", "sourceUrl": "https://www.hardwareluxx.de/index.php/artikel/hardware/storage/58166-wd-red-pro-wd181kfgx-mit-18-tb-im-test-schnell-aber-teuer.html", "description": "Hardwareluxx WD181KFGX page 3" }, { "sha256": "a228b534e9ac3f8a91e4743d1665e0a6f9d0c17202558bef25fc5c5fb6031ff2", "mimeType": "text/html", "sourceUrl": "https://www.hardwareluxx.de/index.php/artikel/hardware/storage/58166-wd-red-pro-wd181kfgx-mit-18-tb-im-test-schnell-aber-teuer.html", "description": "Hardwareluxx WD181KFGX page 4" }, { "sha256": "7ae654e04e04b5bc387d0481a8d1c1e18bdc524ff0bea5534e2a483ff4510cf1", "mimeType": "text/html", "sourceUrl": "https://www.hardwareluxx.de/index.php/artikel/hardware/storage/58166-wd-red-pro-wd181kfgx-mit-18-tb-im-test-schnell-aber-teuer.html", "description": "Hardwareluxx WD181KFGX page 5" }, { "sha256": "87361ed43b5217915d8d7a265073ab77ab4d96efd99ec4a42a5a27b75f63cd93", "mimeType": "text/html", "sourceUrl": "https://www.hardwareluxx.de/index.php/artikel/hardware/storage/58166-wd-red-pro-wd181kfgx-mit-18-tb-im-test-schnell-aber-teuer.html", "description": "Hardwareluxx WD181KFGX page 6" } ] }, { "id": "merchant-b-h-1", "title": "B&H: WD181KFGX historical US listing", "url": "https://www.bhphotovideo.com/c/product/1875421-REG/wd_wd181kfgx_spckwn0_wd_red_pro_18tb.html", "kind": "merchant", "checkedAt": "2026-08-30", "locator": "Catalog record dated 2026-08-30: exact MPN, new condition, seller status retailer, availability in-stock. Historical catalog reference price $799.00. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.", "readAction": "blocked", "readScope": "HTTP 403 challenge HTML 2026-09-11; 2026-08-30 offer timestamp not edited", "readingActorId": "b07-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "af09ab974d5afc22800732616d91d708ab91fd3ef2b037bdd40d67bc4ddb121e", "mimeType": "text/html", "sourceUrl": "https://www.bhphotovideo.com/c/product/1875421-REG/wd_wd181kfgx_spckwn0_wd_red_pro_18tb.html", "description": "B&H 403 body" } ] }, { "id": "merchant-best-buy-2", "title": "Best Buy: WD181KFGX historical US listing", "url": "https://www.bestbuy.com/product/wd-red-pro-18tb-internal-sata-nas-hard-drive-for-desktops/6523108", "kind": "merchant", "checkedAt": "2026-08-31", "locator": "Catalog record dated 2026-08-31: exact MPN, new condition, seller status marketplace-unverified, availability listed. No historical price adopted for this URL. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.", "readAction": "blocked", "readScope": "HTTP 403 or unavailable PDP body 2026-09-11; historical offer timestamp not edited", "readingActorId": "b07-grok", "checkedOn": "2026-09-11", "materials": [] }, { "id": "merchant-newegg-3", "title": "Newegg: WD181KFGX historical US listing", "url": "https://www.newegg.com/red-pro-wd181kfgx-18tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822234430", "kind": "merchant", "checkedAt": "2026-08-31", "locator": "Catalog record dated 2026-08-31: exact MPN, new condition, seller status marketplace-unverified, availability listed. No historical price adopted for this URL. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.", "readAction": "reused", "readScope": "Same Newegg URL reopened 2026-09-11; this source id keeps the older dated merchant row and is not a second live priced offer", "readingActorId": "b07-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "29caf6b24649c630461f920bee432337feac44c66bb57a1bfc52190f96565fb1", "mimeType": "text/html", "sourceUrl": "https://www.newegg.com/red-pro-wd181kfgx-18tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822234430", "description": "Newegg PDP HTML 2026-09-11" } ] }, { "id": "merchant-western-digital-4", "title": "Western Digital: WD181KFGX historical US listing", "url": "https://www.westerndigital.com/products/internal-drives/wd-red-pro-sata-hdd?sku=WD181KFGX", "kind": "merchant", "checkedAt": "2026-08-31", "locator": "Catalog record dated 2026-08-31: exact MPN, new condition, seller status manufacturer, availability listed. No historical price adopted for this URL. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.", "readAction": "opened", "readScope": "Catalog record dated 2026-08-31: exact MPN, new condition, seller status manufacturer, availability listed. No historical price adopted for this URL. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.", "readingActorId": "b07-grok", "checkedOn": "2026-09-11", "materials": [] }, { "id": "current-newegg-1-20260910", "title": "Newegg: WD181KFGX current US new listing", "url": "https://www.newegg.com/red-pro-wd181kfgx-18tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822234430", "kind": "merchant", "checkedAt": "2026-09-10", "locator": "Exact MPN in H1; selected main offer shows Add to cart, seller Newegg, and a visible price of $794.99.", "readAction": "reused", "readScope": "2026-09-11 primary .product-seller-sold-by pane reread; other-seller popover ignored; displayed offer checkedAt remains 2026-09-10", "readingActorId": "b07-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "29caf6b24649c630461f920bee432337feac44c66bb57a1bfc52190f96565fb1", "mimeType": "text/html", "sourceUrl": "https://www.newegg.com/red-pro-wd181kfgx-18tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822234430", "description": "Newegg PDP HTML 2026-09-11" } ] }, { "id": "official-product-page", "title": "WD Red Pro NAS Hard Drive — 18TB US product page", "url": "https://www.westerndigital.com/products/internal-drives/wd-red-pro-sata-hdd?sku=WD181KFGX", "kind": "official", "checkedAt": "2026-09-11", "locator": "Key features, Specifications (Capacity/Model Number/Transfer Rate/Compatibility), FAQ comparing Red Pro vs Red Plus", "readAction": "opened", "readScope": "Key features, Specifications (Capacity/Model Number/Transfer Rate/Compatibility), FAQ comparing Red Pro vs Red Plus", "readingActorId": "b07-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "b93b988ec316444274e88e859528374de4f0f7fa170d6355cad40dafd26b2c99", "mimeType": "text/html", "sourceUrl": "https://www.westerndigital.com/products/internal-drives/wd-red-pro-sata-hdd?sku=WD181KFGX", "description": "US family PDP HTML" } ] } ], "coverage": { "productId": "western-digital-wd-red-pro-wd181kfgx-18tb", "roundStatus": "部分完成", "dimensions": [ { "id": "identity", "status": "已核实", "evidenceIds": [ "ev-official-datasheet-202501", "ev-official-product-page" ], "remainingFields": [], "nextStep": "Keep matching WD181KFGX on the delivered label.", "reusedVsReread": "January 2025 PDF column reread plus US PDP HTML." }, { "id": "specifications", "status": "已核实", "evidenceIds": [ "ev-official-datasheet-202501", "ev-official-product-page" ], "remainingFields": [ "Vibration numeric limits unpublished", "Logical/physical sector sizes unpublished" ], "nextStep": "Do not copy sibling-column numbers.", "reusedVsReread": "Footnotes 5 vs 6 attached per MTBF/workload rows." }, { "id": "software-limits", "status": "部分覆盖", "evidenceIds": [ "ev-official-product-page" ], "remainingFields": [ "No Synology/QNAP per-MPN HCL dump" ], "nextStep": "Browser pass on vendor compatibility search for this MPN.", "reusedVsReread": "WD TLER/NASware/unlimited-bay claims read; Synology/QNAP URLs were shells." }, { "id": "direct-measurement", "status": "已核实", "evidenceIds": [ "ev-hardwareluxx-wd181kfgx" ], "remainingFields": [], "nextStep": "Independent review of quoted charts.", "reusedVsReread": "Baseline reviews reread; KitGuru added for 22TB." }, { "id": "related-experience", "status": "部分覆盖", "evidenceIds": [], "remainingFields": [ "NASCompares 20/22TB HTTP 403" ], "nextStep": "Keep sibling numbers off the target performance fields.", "reusedVsReread": "Opened Hardwareluxx/TechRadar/Tom's/igor’sLAB/APH as applicable." }, { "id": "us-new-pdp", "status": "部分覆盖", "evidenceIds": [ "ev-pdp-newegg-reread" ], "remainingFields": [ "B&H 403", "Amazon bot wall", "WD store price template" ], "nextStep": "Browser pass for B&H/Amazon only; Newegg primary pane already reread.", "reusedVsReread": "Primary sold-by used; popover ignored; 2026-09-10 timestamps kept." }, { "id": "buying-judgment", "status": "已核实", "evidenceIds": [ "ev-official-datasheet-202501" ], "remainingFields": [], "nextStep": "Independent review.", "reusedVsReread": "Product-specific air/helium and sibling traps written into readerGuide." }, { "id": "video", "status": "已检索未找到", "evidenceIds": [], "remainingFields": [ "No exact-WD181KFGX original video candidate this round." ], "nextStep": "No exact-MPN video candidate this round.", "reusedVsReread": "Filtered per product; one failed YouTube extractor is not a batch-wide video block." } ] }, "retiredRecords": [ { "id": "merchant-newegg-3-new", "reason": "Same Newegg PDP as the later primary-pane observation, but seller was 'Marketplace seller not reverified' with no qualified new price. Archived rather than displayed beside the Sold-by Newegg/PC Parts Hub card. Original 2026-08-31 timestamp not edited.", "record": { "id": "merchant-newegg-3-new", "merchant": "Newegg", "seller": "Marketplace seller not reverified", "url": "https://www.newegg.com/red-pro-wd181kfgx-18tb-enterprise-nas-hard-drives-7200-rpm/p/N82E16822234430", "exactMpn": "WD181KFGX", "configuration": "One 18TB 3.5-inch SATA HDD", "priceUsd": null, "currency": "USD", "availability": "unknown", "condition": "new", "conditionBasis": "Historical catalog record classified the direct listing as new on 2026-08-31; this row is not refreshed by the separate 2026-09-10 check.", "checkedAt": "2026-08-31", "sourceId": "merchant-newegg-3", "evidenceLocator": "Historical exact-MPN catalog listing; no historical price adopted for this url; any usable 2026-09-10 main offer is recorded as a separate row.", "shipping": "Shipping cost and US delivery eligibility require a fresh check.", "purchaseConditions": "Historical reference only. Recheck seller, stock, price, quantity, warranty channel, shipping and tax before ordering." } } ], "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." } }