{"@context":"https://neupai.io/schema/v0.2","@type":"StructuredNewsArticle","identity":{"article_id":"news-skhynix_20260410_321-layer-qlc-nand-cssd-supply","canonical_url":"https://news.skhynix.co.kr/begin-supply-321-layer-qlc-nand-cssd/","ai_url":null,"publisher":{"name":"news.skhynix.co.kr","domain":"news.skhynix.co.kr","type":"corporate"},"author":"unknown","published_at":"2026-04-10T07:31:17.866Z","updated_at":null,"language":"en","article_type":"press_release_based","originality":"self_produced"},"content":{"headline":"SK Hynix Begins Supplying cSSDs Based on '321-Layer QLC NAND'… Solidifying AI PC Storage Leadership","summary":"SK Hynix announced that it has completed development of its first 321-layer QLC NAND flash-based SSD product, the 'PQC21,' and will begin full-scale supply starting with Dell Technologies. The company plans to strengthen its storage leadership in the AI PC market with two capacity options, 1TB and 2TB.","topics":["semiconductors","AI","storage","NAND flash"],"geography":["KR","US"],"entities":[{"name":"SK Hynix","canonical_id":"corp:kr:sk-hynix","type":"company","role_in_article":"primary_subject","metadata":{"ticker":null,"parent":null}},{"name":"Dell Technologies","canonical_id":"corp:us:dell-technologies","type":"company","role_in_article":"mentioned","metadata":{"ticker":null,"parent":null}},{"name":"IDC","canonical_id":"org:us:idc","type":"organization","role_in_article":"source","metadata":{"ticker":null,"parent":null}},{"name":"PQC21","canonical_id":"product:kr:pqc21","type":"product","role_in_article":"mentioned","metadata":{"ticker":null,"parent":null}}],"claims":[{"id":"c1","statement":"SK Hynix has completed development of its first 321-layer QLC NAND flash-based SSD product, the 'PQC21'","as_of":"2026-04","as_of_explicit":false,"as_of_raw":"announced on the 8th","source_type":"company_disclosure","comparison":null,"type":"fact","figures":null,"expiry_hint":null,"insight":null},{"id":"c2","statement":"PQC21 will be released in two capacities, 1TB and 2TB","as_of":"2026-04","as_of_explicit":false,"as_of_raw":"April 2026","source_type":"company_disclosure","comparison":null,"type":"fact","figures":null,"expiry_hint":null,"insight":null},{"id":"c3","statement":"QLC stores 4 bits per cell","as_of":"2026-04","as_of_explicit":false,"as_of_raw":"April 2026","source_type":"company_disclosure","comparison":null,"type":"fact","figures":null,"expiry_hint":null,"insight":null},{"id":"c4","statement":"Full-scale supply of the product will begin starting with Dell Technologies from April","as_of":"2026-04","as_of_explicit":true,"as_of_raw":"starting in April","source_type":"company_plan","comparison":null,"type":"future_plan","figures":null,"expiry_hint":null,"insight":null},{"id":"c5","statement":"The share of QLC NAND in the global cSSD market is projected to increase significantly from 22% in 2025 to 61% in 2027","as_of":"2026-04","as_of_explicit":false,"as_of_raw":"April 2026","source_type":"research_paper","comparison":"time_series","type":"estimate","figures":null,"expiry_hint":null,"insight":null}],"ai_emotional_context":{"valence":0,"arousal":0,"primary_emotions":[],"secondary_emotions":[],"emotional_triggers":[]}},"provenance":{"source_chain":["primary_reporting"],"original_source_url":null,"related_articles":[]},"temporal":{"freshness":"recent","next_update_expected":null},"access":{"license":"neupai_standard","attribution_required":true,"structured_data":"free","full_text_available":false,"full_text_access":null}}