{ "schemaVersion": 1, "productId": "synology-enterprise-series-hat5310-20t-20tb", "exactMpn": "HAT5310-20T", "runId": "buying-research-full-grok-20260911", "recordedAt": "2026-09-11T08:14:39.185529+00:00", "subject": { "sha256": "f4ed68e78561173b6799a94b0776de363d4205bf6dc4eae09dc3c50ef2439206", "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": "b03-grok", "label": "Grok 4.6", "provider": "xai", "model": "grok-4.6", "effort": "xhigh", "identityBasis": "Verified execution receipt", "sessionId": "01a08f1a-8bdb-719a-8f27-6afb7d842c67" }, { "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": "53eca55dbb3671669b25ebe3aa53bf4abfe9b131fdacc41eb000430d40eeb66d", "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": "53eca55dbb3671669b25ebe3aa53bf4abfe9b131fdacc41eb000430d40eeb66d", "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/synology-enterprise-series-hat5310-20t-20tb.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": "53eca55dbb3671669b25ebe3aa53bf4abfe9b131fdacc41eb000430d40eeb66d", "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": "b03-grok", "role": "research-and-self-check", "status": "completed", "subjectSha256": "9d413769f7d7ad632cef92aeec7591830bcb83b5e0f7c9aa3288771ca0b465f4", "researchedAt": "2026-09-11" }, { "actorId": "current-codex-root", "role": "editorial-correction", "status": "completed", "inputSubjectSha256": "9d413769f7d7ad632cef92aeec7591830bcb83b5e0f7c9aa3288771ca0b465f4", "subjectSha256": "f4ed68e78561173b6799a94b0776de363d4205bf6dc4eae09dc3c50ef2439206", "changes": [ { "field": "merchantqualification/deduplication/readerGuide/gaps/coverage", "change": "Corrected parentother-sellerpopoverselector; restored primaryAdoramaprice, separatedshipping,retiredsamePDPduplicatecards; fixed staleCDWinstockprose." } ] }, { "actorId": "current-codex-root", "role": "independent-review", "status": "completed", "subjectSha256": "f4ed68e78561173b6799a94b0776de363d4205bf6dc4eae09dc3c50ef2439206", "reviewedAt": "2026-09-11T08:14:39.185529+00:00", "scope": "Exact identity and official specification/revision boundaries, original related-source applicability, dated merchant qualification and reader consistency; explicit missing evidence remains partial. Existing noindex decision preserved.", "evidenceChecks": [ "Exact official Synology enterprise PDF target16Tcolumn and footnotes independently read;20TretainedProductSpec281MB/s4.38Widle8.11Wrandom4KBQ1 distinguishedfromnewHAT5320-20Ttable. No invented cache/sector/physicalratings for missingrevision.", "Newegg original main product-pane sold-by confirms Adorama; exact model newflags/in-stock and baseprice verified. Earlierparentconflictfromother-sellerpopover corrected with sourcehashrecord. 20TBshipping9.10 explains final1159.09.", "CDW16Tvisibleinventoryempty; hiddenInStock alone remainsunknown. HistoricalB&Hdatesunchanged. SamePDPsupersededcards archived with fulloriginalrow.", "No exact original lab falsely claimed. 16T NASCompares originalfullbody read (HAT5300-8T, suppliedsamples,USBdockandDS1621xs+conditions); chartsunread. 20T no siblingbenchtransferred." ] } ], "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-exact-spec", "title": "Synology Product Spec — HAT5310-20T", "url": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/Hard%20Drives/24-year/HAT5310-20T/enu/Product_Spec_HAT5310-20T_enu.pdf", "kind": "official", "checkedAt": "2026-09-11", "locator": "Pages 1–3; last updated May 29, 2026", "readAction": "opened", "readScope": "pdftotext of 3-page ProductSpec", "readingActorId": "b03-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "d61784ea8757a01c86b21361109bf7dce49710b26f2755c6297f8ad4d104d8c5", "mimeType": "application/pdf", "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/Hard%20Drives/24-year/HAT5310-20T/enu/Product_Spec_HAT5310-20T_enu.pdf", "description": "HAT5310-20T ProductSpec May 29 2026" }, { "sha256": "1b21a66bc283441184b749c186c00f5948af6b97c430523565d5062fff70059d", "mimeType": "text/plain", "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/Hard%20Drives/24-year/HAT5310-20T/enu/Product_Spec_HAT5310-20T_enu.pdf", "description": "pdftotext of HAT5310-20T ProductSpec" } ] }, { "id": "official-series-page", "title": "Synology Enterprise Series 3.5-inch SATA HDD", "url": "https://www.synology.com/en-us/products/drives/hdd/enterprise-hat", "kind": "official", "checkedAt": "2026-09-11", "locator": "Series marketing, CMR/firmware claims, applied-model names in HTML", "readAction": "opened", "readScope": "HTML still lists HAT5310-20T", "readingActorId": "b03-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "119187fd3f42b7e07e8f0c601078b531d0704c3cb7526cb774f02fc8b5eff542", "mimeType": "text/html", "sourceUrl": "https://www.synology.com/en-us/products/drives/hdd/enterprise-hat", "description": "Enterprise series product page HTML" } ] }, { "id": "official-current-datasheet", "title": "Synology HAT5300 Data Sheet (family table)", "url": "https://global.download.synology.com/download/Document/Hardware/DataSheet/Hard%20Drives/26-year/HAT5300/enu/Synology_HAT5300_Data_Sheet_enu.pdf", "kind": "official", "checkedAt": "2026-09-11", "locator": "Apr 24 2026 table uses HAT5320-20T at 20 TB, not this retained revision", "readAction": "opened", "readScope": "family table boundary only", "readingActorId": "b03-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "192bb6fdd69bd956047cae95bfa611bd47e1b0711ba884bb837e888170b3c0cc", "mimeType": "application/pdf", "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/DataSheet/Hard%20Drives/26-year/HAT5300/enu/Synology_HAT5300_Data_Sheet_enu.pdf", "description": "HAT5300 family datasheet Apr 24 2026" }, { "sha256": "a9939734e08c4d5137cbed2a34b781393e4dfba86ebbd2b41e3dee54e542eb01", "mimeType": "text/plain", "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/DataSheet/Hard%20Drives/26-year/HAT5300/enu/Synology_HAT5300_Data_Sheet_enu.pdf", "description": "pdftotext -layout of HAT5300 datasheet" } ] }, { "id": "merchant-b-h-1", "title": "B&H: HAT5310-20T historical US listing", "url": "https://www.bhphotovideo.com/c/product/1829477-REG/synology_hat5310_20t_20tb_enterprise_hdd.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 $1069.99. Any usable 2026-09-10 main offer is recorded separately rather than overwriting this historical observation.", "readAction": "blocked", "readScope": "B&H challenge pattern", "readingActorId": "b03-grok", "checkedOn": "2026-09-11", "materials": [] }, { "id": "merchant-adorama-2", "title": "Adorama: HAT5310-20T historical US listing", "url": "https://www.adorama.com/synology-hat5300-enterprise-hdd-sata-iii-7200rpm/p/syhat531020t", "kind": "merchant", "checkedAt": "2026-08-31", "locator": "Catalog record dated 2026-08-31: exact MPN, new condition, seller status retailer, 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": "not-attempted", "readScope": "prior 403", "readingActorId": "b03-grok", "checkedOn": "2026-09-10", "materials": [] }, { "id": "merchant-amazon-3", "title": "Amazon: HAT5310-20T historical US listing", "url": "https://www.amazon.com/dp/B0CC21S17J", "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": "challenge HTML", "readingActorId": "b03-grok", "checkedOn": "2026-09-11", "materials": [] }, { "id": "merchant-best-buy-4", "title": "Best Buy: HAT5310-20T historical US listing", "url": "https://www.bestbuy.com/product/synology-enterprise-hat5310-hat5310-20t-20-tb-hard-drive-3-5-internal-sata-nas-server-device-supported-550-tb/J36TG78LKV", "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": "not-attempted", "readScope": "prior blocked candidate", "readingActorId": "b03-grok", "checkedOn": "2026-09-10", "materials": [] }, { "id": "related-hat5320-20t-spec", "title": "Synology Product Spec — HAT5320-20T (sibling)", "url": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/Hard%20Drives/26-year/HAT5320-20T/enu/Product_Spec_HAT5320-20T_enu.pdf", "kind": "official", "checkedAt": "2026-09-11", "locator": "Sibling 20 TB SKU; 295 MB/s; idle 4.35 W; not HAT5310-20T values", "readAction": "opened", "readScope": "sibling ProductSpec", "readingActorId": "b03-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "d2011c7aee736540bd4d3f409d9f68a0e657a4307e847f98b71ccb48151cee7d", "mimeType": "application/pdf", "sourceUrl": "https://global.download.synology.com/download/Document/Hardware/ProductSpec/Hard%20Drives/26-year/HAT5320-20T/enu/Product_Spec_HAT5320-20T_enu.pdf", "description": "HAT5320-20T ProductSpec sibling, not target values" } ] }, { "id": "current-newegg-2-20260911", "title": "Newegg — HAT5310-20T sold by Adorama", "url": "https://www.newegg.com/synology-hat5310-20t-20tb-for-nas-systems-7200-rpm/p/N82E16822108845", "kind": "merchant", "checkedAt": "2026-09-11", "locator": "Primary item price $1,149.99; sold-by Adorama; new-condition and stock fields. Shipping $9.10; final before tax $1,159.09.", "readAction": "opened", "readScope": "Re-parsed DOM $1149.99 vs ItemDetail $1159.09 Adorama; parent DOM NothingButSavings preserved; not qualified", "readingActorId": "b03-grok", "checkedOn": "2026-09-11", "materials": [ { "sha256": "7ba3d7e5783cac051448cd88c446557fee5fb94b1aa3e2b3f4b45c9b10797380", "mimeType": "text/html", "sourceUrl": "https://www.newegg.com/synology-hat5310-20t-20tb-for-nas-systems-7200-rpm/p/N82E16822108845", "description": "Newegg HAT5310-20T PDP" } ] }, { "id": "merchant-newegg-5", "title": "Newegg: HAT5310-20T historical US listing", "url": "https://www.newegg.com/synology-hat5310-20t-20tb-for-nas-systems-7200-rpm/p/N82E16822108845", "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": "Historical 2026-08-31 unknown-price row restored; timestamp not edited", "readingActorId": "b03-grok", "checkedOn": "2026-08-31", "materials": [] }, { "id": "current-newegg-1-20260910", "title": "Newegg: HAT5310-20T current US new listing", "url": "https://www.newegg.com/synology-hat5310-20t-20tb-for-nas-systems-7200-rpm/p/N82E16822108845", "kind": "merchant", "checkedAt": "2026-09-10", "locator": "Exact MPN in H1; selected main offer shows Add to cart, seller Adorama, and a visible price of $1149.99.", "readAction": "reused", "readScope": "Historical 2026-09-10 $1149.99 observation restored; timestamp not edited", "readingActorId": "b03-grok", "checkedOn": "2026-09-10", "materials": [] } ], "coverage": { "productId": "synology-enterprise-series-hat5310-20t-20tb", "roundStatus": "部分完成", "dimensions": [ { "id": "identity", "status": "已核实", "evidenceIds": [ "ev-spec-hat5310-20t" ], "remainingFields": [ "Shipment label vs HAT5320-20T sibling" ], "nextStep": "Require the complete HAT5310-20T suffix.", "reusedVsReread": "ProductSpec reread." }, { "id": "specifications", "status": "部分覆盖", "evidenceIds": [ "ev-spec-hat5310-20t", "ev-ds5300-20t-boundary" ], "remainingFields": [ "Sector, buffer, helium/air, shock, size, weight, URE, acoustics" ], "nextStep": "Do not fill from HAT5320-20T.", "reusedVsReread": "Exact spec reread; family table used only as boundary." }, { "id": "software-limits", "status": "部分覆盖", "evidenceIds": [ "ev-spec-hat5310-20t" ], "remainingFields": [ "Host-by-host HCL" ], "nextStep": "Check the live list for the NAS.", "reusedVsReread": "Series page + FAQ." }, { "id": "direct-measurement", "status": "已检索未找到", "evidenceIds": [], "remainingFields": [ "No exact-MPN independent lab" ], "nextStep": "Keep noindex.", "reusedVsReread": "Searches returned merchants." }, { "id": "related-experience", "status": "部分覆盖", "evidenceIds": [ "ev-ds5300-20t-boundary" ], "remainingFields": [ "HAT5320-20T is specified, not tested here" ], "nextStep": "Keep sibling numbers out of reviews[].", "reusedVsReread": "Opened sibling ProductSpec." }, { "id": "us-new-pdp", "status": "部分覆盖", "evidenceIds": [ "ev-newegg-20t-price-seller-conflict" ], "remainingFields": [ "Blocked merchant current observations" ], "nextStep": "Recheck delivered total before buying.", "reusedVsReread": "Parent corrected other-seller popover selector; primary sold-by and selected product new/stock flags verified. Original capture date preserved." }, { "id": "buying-judgment", "status": "已核实", "evidenceIds": [ "ev-spec-hat5310-20t" ], "remainingFields": [], "nextStep": "Independent review.", "reusedVsReread": "Revision boundary spelled out." }, { "id": "video", "status": "已检索未找到", "evidenceIds": [], "remainingFields": [ "No exact-MPN video ASR" ], "nextStep": "Do not infer from other capacities.", "reusedVsReread": "No usable exact video." } ] }, "retiredRecords": [ { "recordType": "offer-qualification", "id": "current-newegg-2-20260911-new-was-qualified", "reason": "Demoted 2026-09-11 Adorama $1159.09 in-stock claim: visible price $1149.99 vs ItemDetail FinalPrice 1159.09; parent DOM seller NothingButSavings vs sold-by/ItemDetail Adorama." }, { "recordType": "offer", "record": { "id": "merchant-newegg-5-new", "merchant": "Newegg", "seller": "Marketplace seller not reverified", "url": "https://www.newegg.com/synology-hat5310-20t-20tb-for-nas-systems-7200-rpm/p/N82E16822108845", "exactMpn": "HAT5310-20T", "configuration": "One 20TB 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-5", "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." }, "reason": "Parent verified same selected PDP/seller newer dated observation. Older unknown-seller or same-seller cards retained in audit, not duplicate buyer cards.", "retiredBy": "GPT-6 (Codex)", "retiredAt": "2026-09-11T08:14:39.185529+00:00" }, { "recordType": "offer", "record": { "id": "current-newegg-1-20260910-new", "merchant": "Newegg", "seller": "Adorama", "url": "https://www.newegg.com/synology-hat5310-20t-20tb-for-nas-systems-7200-rpm/p/N82E16822108845", "exactMpn": "HAT5310-20T", "configuration": "One 20TB 3.5-inch SATA HDD", "priceUsd": 1149.99, "currency": "USD", "availability": "in-stock", "condition": "new", "conditionBasis": "Regular exact-product main listing; no used, refurbished or open-box designation appears in the title or selected main offer.", "checkedAt": "2026-09-10", "sourceId": "current-newegg-1-20260910", "evidenceLocator": "Exact MPN in H1; selected main offer shows Add to cart, seller Adorama, and a visible price of $1149.99.", "shipping": "Shipping cost, destination eligibility and tax require checkout verification.", "purchaseConditions": "Current page observation only. Recheck seller, stock, price, quantity, warranty channel, shipping and tax before ordering." }, "reason": "Parent verified same selected PDP/seller newer dated observation. Older unknown-seller or same-seller cards retained in audit, not duplicate buyer cards.", "retiredBy": "GPT-6 (Codex)", "retiredAt": "2026-09-11T08:14:39.185529+00:00" } ], "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." } }