CMM (DDR5)
SK hynix CMM-DDR5 96GB
CXL 2.0 memory module expanding capacity and bandwidth on DDR5 media
- Manufacturer
- SK hynix
- Interface
- CXL 2.0
- Form factor
- E3.S 2T
- Category
- CXL Memory
- Series
- CMM (DDR5)
- Status
- Sampling
Image: skhynix.com
96 GB CXL 2.0 memory module built on SK hynix DDR5, adding up to 50% capacity and 30% bandwidth to a standard server.
Capacities
Overview
What this part is for
SK hynix's CMM-DDR5 packages 96 GB of the company's DDR5 DRAM behind a CXL 2.0 controller on PCIe 5.0 x8. Added to a fully populated server, the module extends capacity by up to 50% and aggregate memory bandwidth by around 30%, since CXL traffic bypasses the DIMM channels.
SK hynix supports deployment with its HMSDK software kit, which handles page placement and bandwidth-aware interleaving across native and CXL tiers. The module suits stepwise memory scaling in cloud and database fleets without platform redesign.
Datasheet
Specifications
7 rows, factory-original data
| Interface | CXL 2.0, PCIe 5.0 x8 |
|---|---|
| Form Factor | E3.S 2T |
| Capacities | 96 GB, 128 GB |
| Media | SK hynix DDR5 DRAM |
| Bandwidth | Up to ~35 GB/s per module |
| Software | HMSDK tiering support |
| Target | Cloud, database, inference nodes |
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