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This is a post-cache observation, not the manufacturer's peak write rating.","sample_size":1,"standard":null},"lab":"ServeTheHome","measurement_id":"m_postcache","metric":"post_cache_sequential_write","source_id":"source_snapshot_d9385c867e1288b29f75ad68884b8a12b882e1fffc2efa3628d2eccad255d863","unit":"MB/s","value":920}],"ownership_costs":[],"price_contexts":[],"usage_scenarios":[{"assessment":"suitable","claim_ids":["c_form","c_compat","c_sth_peak","c_heat"],"gap_reason":null,"limitations":["Check the slot's interface and heatsink clearance."],"scenario_id":"u_desktop","situation":"You want responsive internal storage and have a compatible M.2 slot with a suitable heatsink already installed.","title":"Desktop with motherboard cooling"},{"assessment":"conditional","claim_ids":["c_slc","c_sustained","c_limit"],"gap_reason":null,"limitations":["Judge the post-cache rate and cooling requirements, not only peak sequential specifications."],"scenario_id":"u_writes","situation":"You routinely clone drives or write datasets large enough to exhaust the drive's fast cache.","title":"Repeated long write jobs"},{"assessment":"unsuitable","claim_ids":["c_form","c_compat"],"gap_reason":null,"limitations":["This SKU has no factory heatsink; the manufacturer's PS5 compatibility statement is for the heatsink model."],"scenario_id":"u_console","situation":"You want a complete PS5 storage upgrade and do not intend to arrange a separate cooling solution.","title":"Console upgrade without extra parts"}]}},"source_schema_version":"product-research-package-v7","sources":[{"number":1,"publisher":"SSD-Tester","title":"Western Digital WD_BLACK SN850X 1TB WDS100T2X0E-00BCA0 benchmark test","url":"https://ssd-tester.com/western_digital_wd_black_sn850x_1tb.html"},{"number":2,"publisher":"Sandisk","title":"WD_BLACK SN850X NVMe SSD data sheet, July 2025","url":"https://documents.sandisk.com/content/dam/asset-library/en_us/assets/public/western-digital/product/internal-drives/wd-black-ssd/data-sheet-wd-black-sn850x-nvme-ssd.pdf"},{"number":3,"publisher":"ServeTheHome","title":"WD Black SN850X 1TB review: bare-drive construction and test setup","url":"https://www.servethehome.com/wd-black-sn850x-1tb-pcie-gen4-m-2-nvme-ssd-review/"},{"number":4,"publisher":"ServeTheHome","title":"WD Black SN850X 1TB review: sustained writes and thermals, page 3","url":"https://www.servethehome.com/wd-black-sn850x-1tb-pcie-gen4-m-2-nvme-ssd-review/3/"},{"number":5,"publisher":"Madam's Real IT Reviews","title":"WD SN850X 1TB Review 1: clean-drive benchmarks and sustained write test","url":"https://realitreviews.tistory.com/850"},{"number":6,"publisher":"Madam's Real IT Reviews","title":"WD SN850X 1TB Review 3: cooling and thermal-throttling experiment","url":"https://realitreviews.tistory.com/852"},{"number":7,"publisher":"ServeTheHome","title":"WD Black SN850X 1TB review: benchmark results, page 2","url":"https://www.servethehome.com/wd-black-sn850x-1tb-pcie-gen4-m-2-nvme-ssd-review/2/"}]}