JEDEC releases new SPHBM4 standard to slash AI memory costs, Tom's Hardware reports

JEDEC's new SPHBM4 standard promises HBM4-class bandwidth without a silicon interposer or CoWoS packaging, using a narrow 512-bit interface and organic substrates to reduce costs.

• JEDEC releases new SPHBM4 standard to slash AI memory costs — Narrow 512-bit interface enables dropping expensive interposers for organic substrates