CXL Memory Expansion
JH-CX5 · CXL 2.0 Type-3 · E3.S · 64–256 GB
JH Semiconductor MemoryLink CXL memory-expansion modules (JH-CX5) in CXL 2.0 Type-3, E3.S EDSFF form factor, 64/128/192/256 GB, targeting 32 GB/s — for memory expansion, pooling, and AI/cloud infrastructure. Currently a partner-controller + fixed-DRAM-BOM co-research stage.
Specification Comparison
| Model | Type | Interface | Capacity | Key Specs |
|---|---|---|---|---|
| CXL 2.0 内存扩展模组 | CXL 2.0 | CXL 2.0 Type-3 (E3.S) | 64 / 128 / 192 / 256GB | CXL 2.0 · 目标 32 GB/s |
Specifications as of ; see each model page and the official product guide for details.
Frequently Asked Questions
What form factor, interface and capacities does the CXL module use?
The JH-CX5 is an E3.S (EDSFF) module using CXL 2.0 Type-3 over a PCIe 5.0 x8 link with DDR5 media, offered in 64, 128, 192 and 256 GB.
What bandwidth and latency does it target?
It targets 32 GB/s bandwidth and 250–300 ns access latency, with end-to-end ECC plus CXL link CRC and DDR5-side timings of 46-45-45.
What is it for, and what platform does it need?
It serves memory expansion/pooling, AI servers, cloud and data-center use on server platforms that support CXL 2.0, with joint validation; it is currently at a partner-controller, fixed-DRAM-BOM co-research stage (P2, project-based).
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