Intel® D50TNP Modules with Intel® Server Board D50TNP1SB Support Intel® Optane™ Persistent Memory 200 Series

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000059161

04/20/2023

Intel® D50TNP Modules with Intel® Server Board D50TNP1SB Support ® Optane™ Persistent Memory 200 Series

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The Intel® Optane™ Persistent Memory is an innovative technology that delivers unique combination of affordable large memory capacity and data persistence (non-volatility). It represents a new class of memory and storage technology architected specifically for data center storage. Intel® Optane™ Persistent Memory 200 Series enables higher density (capacity per DIMM) DDR4-compatible memory modules with near DRAM performance and advanced features not found in standard SDRAM.

 

Intel® Optane™ Persistent Memory 200 Series supports the following features

  • DDR4-pin compatible
  • Available Intel® Optane™ Persistent Memory capacities: 128, 256, and 512GB
  • Up to 2TB per processor socket
  • Up to 3200 MT/sec
  • TDP = 15W
  • AES256 Bit Encryption
  • Secure Erase
  • Data persistence in power failure event: ADR, eADR (optional)

Supported operating modes

  • Memory Mode (MM)
  • App Direct (AD) Mode

Memory Mode (MM)

In Memory Mode, the standard DDR4 DRAM acts as a cache for the most frequently accessed data, while the Intel® Optane™ Persistent Memory 200 Series provides large memory capacity by acting as direct load/store memory. In this mode, application and operating system are explicitly aware that the Intel® Optane™ Persistent Memory 200 Series is the only type of direct load/store memory in the system. Cache management operations are handled by the integrated memory controller in the Intel® Xeon® Scalable Processor. When data is requested from memory, the memory controller first checks the DRAM cache.

If data is present, the response latency is identical to DRAM. If data is not present on the DRAM cache, it is read from the Intel® Optane™ Persistent Memory 200 Series modules with slightly longer latency. The applications with consistent data retrieval patterns that the memory controller can predict will have a higher cache hit rate. Data is volatile in Memory Mode. It will not be saved in the event of power loss. Persistence data is enabled in App Direct Mode

App Direct (AD) Mode

In App Direct Mode, the operating system (OS) sees the Intel® Optane™ Persistent Memory and DDR4 SDRAM DIMMs as two separate pool of memory. App Direct can direct which data read or write is suitable for SDRAM or Intel® Optane™ Persistent Memory operations that require the lowest latency and do not need permanent data. Storage can be executed on SDRAM DIMMs such as database scratch pad.

Data that needs to be made persistent or structures that are very large can be routed to Intel® Optane™ Persistent Memory. The App Direct mode must be used to make data persistent in memory. This mode requires the OS or virtualization environment enabled with persistent memory-aware file system. App Direct mode requires both driver and explicit software support. To ensure operating system compatibility