Industry preps 'cheap' HBM4 memory spec with narrow interface, but it isn't a GDDR killer — JEDEC's new SPHBM4 spec weds HBM4 performance and lower costs to enable higher capacity
JEDEC is nearing completion of SPHBM4, a standard that enables full HBM4 bandwidth over a 512-bit interface using a 4:1 serialization, reusing standard HBM DRAM...