Samsung Electronics' HBM4 chip revenue more than tripled in the third quarter, with its 2027 supply already sold out. The company stated on its third-quarter earnings call on Thursday that HBM4 accounted for approximately 60% of its total HBM revenue, helping it achieve its market share targets ahead of schedule. Samsung also announced a record capital expenditure of 84.4 trillion Korean Won (approximately $63.2 billion).