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A maximum read figure and a writing-class designation describe different characteristics, so the presence of U1 and Class 10 does not turn the 120MB/s reading specification into a sustained writing result. For a buyer moving files off the card, the listed read ceiling may be relevant. For a buyer recording to it, the required writing class and the actual host need separate attention."},{"claim_ids":["c-app","c-app-conditions","c-classes"],"kind":"factual","paragraph_id":"p-app","text":"Moglix advertises faster app loading using the A1 rating, and A1 also appears in the listed markings. The SD Association places application-class requirements within measurements performed under conditions defined by the specification. This is more precise than treating the retailer's app-loading sentence as a timed result for a particular phone. No exact-model app benchmark was established in this refresh. If your main reason for buying is application storage, check whether the intended host supports your planned use and whether its behavior has been tested with this variant. The A1 designation is relevant evidence about the advertised class, but it does not answer how long a specific app will take to open or whether moving that app is supported by your setup."}],"section_id":"s-classes","section_type":"connectivity"},{"heading":"What remains unresolved","paragraphs":[{"claim_ids":["c-capacity-v7","c-read-listed","c-classes","c-app-conditions"],"kind":"factual","paragraph_id":"p-limits","text":"The accepted evidence distinguishes the maximum read listing from an actual result and the class markings from measurements made in a particular workload. This refresh did not establish a physical benchmark for the 64GB GN6MN card, sustained writing behavior, energy efficiency or endurance. Those omissions limit the verdict rather than proving that the card performs poorly. A recording workload with a strict sustained requirement needs evidence addressing that requirement; a maximum reading specification does not supply it. Likewise, a requirement for repeated long-term writing cannot be answered by the capacity and A1 markings alone. When those properties decide the purchase, seek an exact-variant test or documentation that identifies the conditions and intended use."},{"claim_ids":[],"kind":"descriptive","paragraph_id":"p-test-scope","text":"The source search also encountered hands-on English reviews of other Ultra capacities and generations. Those pages were considered during research, but their numerical results were deliberately not attached to this product. That choice leaves a genuine benchmark gap while avoiding a misleading appearance of laboratory certainty. Evidence from a different card can suggest questions to investigate, yet it cannot establish this card's boot time, throughput or endurance. The manufacturer page could not be snapshotted under the publisher's robots policy, and the manufacturer setup sheet that could be read identified a different package suffix. The recorded gaps retain the attempted URLs so a later researcher can see what was checked and why the limits remain."}],"section_id":"s-limits","section_type":"limitations"},{"heading":"Check the seller's warranty and the actual bundle","paragraphs":[{"claim_ids":["c-capacity-v7","c-read-listed","c-classes","c-app-conditions"],"kind":"factual","paragraph_id":"p-warranty-v7","text":"Asubic lists six months of shop warranty for its Japanese parallel-import offering. That statement is useful for understanding that seller's service, but it does not establish a manufacturer warranty for a US purchase of this ASIN. The existing research also records unresolved regional warranty and accessory descriptions. Therefore, ask the seller serving your destination to confirm the warranty provider, applicable term and exact box contents before ordering. Do not substitute a warranty statement from another region or assume that a familiar Ultra package includes the same accessories. These are purchase checks with a practical consequence: the capacity and model can match while the service arrangement and bundle still require confirmation."},{"claim_ids":["c-capacity-v7","c-interface","c-classes","c-read-listed","c-app-conditions","c-shop-warranty"],"kind":"factual","paragraph_id":"p-verdict-v7","text":"A conditional recommendation is the most defensible conclusion from this evidence. The listings support a 64GB UHS-I storage option with U1, Class 10 and A1 markings and a retailer-stated maximum reading speed. They leave exact-host behavior and important performance and ownership questions open. If those documented characteristics match your requirements and you can confirm the host, bundle and seller support, the variant remains a candidate to consider. If you require proven sustained speed, a timed application benefit or a verified endurance rating, this research does not establish those properties. Make the decision around the evidence that answers your actual workload, and keep unresolved requirements visible rather than replacing them with an untested expectation."}],"section_id":"s-warranty-v7","section_type":"maintenance"}],"title":"SanDisk Ultra: what the available evidence establishes"},"buyer_decisions":[{"check_before_buying":["Confirm the full part number and capacity.","Confirm host requirements, package contents and destination-specific seller support."],"claim_ids":["c-capacity-v7","c-interface","c-classes","c-read-listed","c-shop-warranty"],"constraints":["The intended host and workload must be checked."],"evidence_locator_ids":["l-mog","l-cls","l-ryans","l-asubic-spec"],"item_id":"bd-storage-v7","needs":["A marketed 64GB microSDXC storage option."],"price_context_ids":[],"reason":"Identity and class evidence supports consideration, while measured performance, endurance, bundle and US service remain unresolved.","rival_revisions":[],"scope":{"country":{"state":"known","values":["US"]},"firmware":{"state":"not_applicable"},"hardware_revision":{"state":"unknown"},"os":{"state":"unknown"},"variant":{"state":"known","values":["SDSQUA4-064G-GN6MN","64GB"]}},"title":"Consider only after the host and shipment checks","topic_id":"buyer_fit","tradeoffs":["A listed maximum read speed does not establish sustained writing or application timing."],"verdict":"conditional"}],"comparisons":[],"compatibility":[],"cost_inputs":[],"coverage":{"buyer_decisions":{"claim_ids":["c-capacity-v7","c-interface","c-classes","c-read-listed","c-shop-warranty"],"reason":"A conditional storage decision links identity and markings to host, shipment and service checks; measured workload performance is still missing.","status":"partial"},"ownership_costs":{"claim_ids":["c-shop-warranty"],"reason":"Regional seller support was researched, but service eligibility, endurance and replacement requirements are unresolved. No prices were collected or ownership-cost total calculated.","status":"partial"}},"decision_steps":[],"evidence_revision_id":"research_evidence_revision_b886986958bf4915966cda523eaa351c","faq":[{"answer":"Moglix states 64 GB for SDSQUA4-064G-GN6MN. Usable space after formatting was not measured.","claim_ids":["c-capacity-v7"],"faq_id":"f-capacity","intent":"pre_purchase","question":"What is the marketed capacity?","source_ids":["source_snapshot_9b474df02ad7366528ce83d2f8f813e83c2405b3ee98cf994886b5605d7b48f3"]},{"answer":"CLS lists UHS-I. This identifies the interface; it does not establish support for a particular device or reader.","claim_ids":["c-interface"],"faq_id":"f-interface","intent":"compatibility","question":"Which interface is listed?","source_ids":["source_snapshot_5624692e93599e4be16bac809935ce88c132bc33aaa8c5a38449523ad12d1a98"]},{"answer":"Moglix advertises A1-rated app loading. The accepted evidence has no independent benchmark that establishes the result on a particular device.","claim_ids":["c-app"],"faq_id":"f-app","intent":"operation","question":"Is app-loading performance independently tested?","source_ids":["source_snapshot_9b474df02ad7366528ce83d2f8f813e83c2405b3ee98cf994886b5605d7b48f3"]},{"answer":"Ryans names U1, Class 10 and A1. The evidence records a sustained-performance gap, so these markings are not presented as a measured sustained result.","claim_ids":["c-classes"],"faq_id":"f-speed","intent":"limitation","question":"Do the advertised classes establish sustained performance?","source_ids":["source_snapshot_0bf097d8111c4160fff06ed645b9651a15af47aa90e65dfa33c4d5674b65594e"]},{"answer":"No. Asubic lists a maximum reading speed of 120MB/s for the exact model. This research does not establish that result on a particular host.","claim_ids":["c-read-listed"],"faq_id":"f-read-v7","intent":"limitation","question":"Is 120MB/s a measured result for this card?","source_ids":["source_snapshot_39d3fcf9751a20aeebe93a7f0fc76beac8e69e9f4affe498bd038618663aacbe"]},{"answer":"No. Asubic lists six months of shop warranty for its Japanese parallel import. Confirm the provider and terms for your actual seller and destination; US coverage remains unresolved.","claim_ids":["c-shop-warranty"],"faq_id":"f-warranty-v7","intent":"maintenance","question":"Does the Japanese shop warranty establish US coverage?","source_ids":["source_snapshot_39d3fcf9751a20aeebe93a7f0fc76beac8e69e9f4affe498bd038618663aacbe"]}],"measurements":[],"ownership_costs":[],"price_contexts":[],"pull_quotes":[],"rivals":[],"seller_claims":[],"usage_scenarios":[{"assessment":"conditional","claim_ids":["c-app","c-classes"],"gap_reason":null,"limitations":["App-loading performance was not independently measured.","Exact-host compatibility is unresolved."],"scenario_id":"u-app","situation":"You are considering this card because a retailer advertises A1-rated app loading.","title":"Considering storage for apps"}]}},"source_schema_version":"product-research-package-v7","sources":[{"number":1,"publisher":"SD Association","title":"Application Performance Class","url":"https://www.sdcard.org/developers/sd-standard-overview/application-performance-class/"},{"number":2,"publisher":"CKTechCheck","title":"Two SanDisk Ultra 128GB cards, eight years apart: the new one writes half as fast","url":"https://cktechcheck.com/sandisk-ultra-128gb-review/"},{"number":3,"publisher":"CLS","title":"SanDisk Ultra MicroSDXC 64GB SDSQUA4-064G-GN6MN","url":"https://www.cls.co.il/products/item/9000"},{"number":4,"publisher":"Ryans","title":"SanDisk Ultra SQUAR 64GB MicroSDXC UHS-I U1 Class 10 A1 Memory Card #SDSQUA4-064G-GN6MN","url":"https://www.ryans.com/sandisk-ultra-squar-64gb-microsdxc-uhs-i-u1-class-10-a1-memory-card"},{"number":5,"publisher":"SD Association","title":"Speed Class","url":"https://www.sdcard.org/developers/sd-standard-overview/speed-class/"},{"number":6,"publisher":"Moglix","title":"Sandisk 64GB MicroSDXC Memory Card, SDSQUA4-064G-GN6MN","url":"https://www.moglix.com/sandisk-64gb-microsdxc-pen-drive-sdsqua4-064g-gn6mn/mp/msn75dqrnled92"},{"number":7,"publisher":"Asubic / Toeimusen","title":"SanDisk SDSQUA4-064G-GN6MN Ultra 64GB parallel import","url":"https://www.asubic.com/item/SDSQUA4-064G-GN6MN/0619659181666/000000000624"}]}