Samsung HBM3 24GB

MakerMemory manufacturer.

Samsung1

GenerationMaker’s HBM generation designation.

HBM31

DRAM layers highDRAM dies in the stack; excludes the base die.

121

Stack capacity GBCapacity of one stack, in the maker’s GB units; not accelerator total memory.

241

Pin rate Gb/sPublished pin rate. Read with Pin qualifier; a limit is not a guaranteed operating point.

Up to 6.41

Stack bandwidth GB/sPublished bandwidth of one stack. Read with Bandwidth qualifier. TB/s is normalized to GB/s using 1,000.

Up to 8191

Interface bitsData I/O width of one stack; not the complete accelerator bus.

1,0241

Base diePublished base/buffer die implementation or foundry. Null means not disclosed in the cited evidence.

Not published

DRAM processVendor’s process label, not a normalized physical dimension.

Not published

Bonding / packagePublished stacking or package process.

Not published

Evidence statusLast supported milestone; historical production does not imply current orderability.

Production reported2

Status evidence dateDate of the supporting publication, with original precision (YYYY, YYYY-MM or YYYY-MM-DD). Not necessarily the first shipment day.

2023-10-212

Sample evidence datePublication confirming samples, preserving date precision; not an inferred qualification date.

Not published

Production evidence datePublication confirming production or shipments. A report date, not an exact factory ramp date.

2023-10-212

Confirmed platform linksPlatforms explicitly linked to this maker and variant by a first-party source. Design-in is distinguished from shipping.

Not published

Reading notesVariant-specific context, source conflicts, historical status and unconfirmed details.

Samsung’s 2023 Memory Tech Day release confirms both 8H and 12H production. No named accelerator or qualified customer is assigned.1

1. Samsung: Samsung HBM3 24GB accessed 2026-11-11
2. Samsung: HBM3 8H and 12H mass production accessed 2026-11-11

Every date is the publication date of the maker’s evidence. See who packages, bonds and tests Samsung HBM on HBM Suppliers. Read the method or send a correction.