☰
What is the maximum HBM2e memory capacity integrated in the M-Series of the Altera Agilex 7 FPGA?
Technical Blog / Author: icDirectory Limited / Date: Apr 25, 2026 18:04

## Overview of HBM2e Integration in Agilex 7 M-Series


The Altera Agilex 7 M-Series FPGA is engineered for memory-intensive workloads that demand ultra-high bandwidth and low-latency access to large datasets. To address these requirements, the M-Series integrates High Bandwidth Memory 2E (HBM2e) directly on-package, enabling extremely fast memory access that significantly outperforms traditional off-chip DRAM in both bandwidth and latency.

## Maximum HBM2e Memory Capacity


* Integrated Capacity: The M-Series devices support up to 64 GB of HBM2e memory per FPGA. This capacity is achieved through multiple HBM2e stacks embedded in the package, each connected directly to the FPGA fabric through wide, high-speed memory channels.
* Channel Organization: HBM2e is organized into multiple independent pseudo-channels (typically 32 per stack), each providing a 128-bit interface to the FPGA. This wide channel architecture allows concurrent access to multiple memory segments, maximizing aggregate memory bandwidth.

## Performance Characteristics


* Memory Bandwidth: Each HBM2e stack in the M-Series can deliver peak bandwidth exceeding 460 GB/s, depending on the memory clock rate and number of active pseudo-channels. With multiple stacks, the total bandwidth can reach several terabytes per second, providing ample throughput for AI acceleration, HPC, and real-time data analytics.
* Low Latency Access: On-package integration reduces signal propagation delays and eliminates the need for long PCB traces, significantly lowering latency compared to discrete DDR5 or GDDR memory solutions.
* Concurrent Fabric Access: HBM2e stacks are directly accessible by FPGA fabric, DSP arrays, and AI Tensor Blocks, allowing multiple compute engines to perform memory-intensive operations simultaneously without contention.

## System-Level Benefits


* AI and HPC Acceleration: The high-capacity, high-bandwidth HBM2e allows large neural network models, deep learning datasets, or HPC simulations to be loaded entirely in memory, reducing reliance on slower off-chip memory and improving overall system throughput.
* Efficient Data Streaming: Wide pseudo-channel architecture supports parallel streaming of large data blocks, ideal for high-speed video processing, network packet inspection, and scientific computing.
* Reduced System Footprint: Integrating HBM2e into the FPGA package eliminates the need for multiple discrete memory modules, simplifying PCB design, reducing signal integrity challenges, and saving board space.

## Design Considerations


* Thermal Management: High-density HBM2e operation generates substantial heat; proper cooling and thermal dissipation strategies are required to maintain performance and reliability.
* Power Budgeting: HBM2e stacks contribute significant dynamic power, particularly under sustained high-bandwidth workloads, necessitating careful system power planning.
* Memory Controller Integration: FPGA designers must utilize the hardened HBM2e memory controllers with appropriate interface configurations, timing, and flow control to achieve peak bandwidth and low-latency operation.

## Summary


The Altera Agilex 7 M-Series FPGA integrates up to 64 GB of HBM2e memory, providing multi-terabyte-per-second bandwidth and low-latency access for memory-intensive workloads. Its wide pseudo-channel architecture and on-package integration enable concurrent access by FPGA fabric, DSP arrays, and AI Tensor Blocks, supporting high-performance AI, HPC, and real-time data processing applications. Proper thermal and power management, along with optimized memory controller utilization, is essential to fully exploit the capabilities of the integrated HBM2e memory.


icDirectory Limited | https://www.icdirectory.com/a/blog/what-is-the-maximum-hbm2e-memory-capacity-integrated-in-the-m-series-of-the-altera-agilex-7-fpga.html
Related Products
5CEFA2F23I7
5CEFA2F23I7
Intel
Date: May 21, 2026
5CEBA4F17I7N
5CEBA4F17I7N
Intel
Date: May 20, 2026
EN6337QA
EN6337QA
Intel
Date: May 20, 2026
EP1C6Q240C8N
EP1C6Q240C8N
Intel
Date: May 20, 2026
EP4CGX30CF23I7
EP4CGX30CF23I7
Intel
Date: May 19, 2026
JG82870P2
JG82870P2
Intel
Date: May 19, 2026
5AGTFD3H3F35I5N
5AGTFD3H3F35I5N
Intel
Date: May 19, 2026
10M50DAF484C7G
10M50DAF484C7G
Intel
Date: May 19, 2026
1SX085HN2F43E1VG
1SX085HN2F43E1VG
Intel
Date: May 18, 2026
EP3C16Q240C8N
EP3C16Q240C8N
Intel
Date: May 18, 2026
N8042AH
N8042AH
Intel
Date: May 16, 2026
5CSEMA4U23C6N
5CSEMA4U23C6N
Intel
Date: May 15, 2026
Technical Blog
  • What high-speed serial transceiver tile options (F-Tile, R-Tile, etc.) are available in the Altera Agilex 7 FPGA?
    •
  • How much embedded memory (M20K and MLAB) is available in the largest Altera Agilex 7 FPGA devices?
    •
  • What thermal design considerations apply to high-transceiver-count Altera Agilex 7 FPGA devices?
    •
  • How does the Altera Agilex 7 FPGA compare in transceiver speed to previous Stratix 10 devices?
    •
  • What video and broadcast interfaces are natively accelerated by the Altera Agilex 7 FPGA?
    •
  • How does the second-generation HyperFlex architecture in the Altera Agilex 7 FPGA improve timing closure?
    •
  • What is the logic element density range available in the different series of the Altera Agilex 7 FPGA family?
    •
  • Which process technologies are used across the F-Series, I-Series, and M-Series of the Altera Agilex 7 FPGA?
    •
  • What transceiver data rates up to 116 Gbps are supported in the Altera Agilex 7 FPGA?
    •
  • What PCIe Gen5 configurations and lane counts does the Altera Agilex 7 FPGA support?
    •
  • How does the Compute Express Link (CXL) support in the Altera Agilex 7 FPGA enable coherent connectivity?
    •
  • What peak memory bandwidth can be achieved with the HBM2e in the Altera Agilex 7 FPGA?
    •
  • How many variable-precision DSP blocks are available in the largest devices of the Altera Agilex 7 FPGA?
    •
  • What floating-point performance in TFLOPS is achievable with the DSP blocks in the Altera Agilex 7 FPGA?
    •
  • What hardened memory NoC features are included in the M-Series of the Altera Agilex 7 FPGA?
    •
  • What DDR5 and LPDDR5 interface support is provided by the Altera Agilex 7 FPGA?
    •
  • What quad-core Arm processor is integrated in the Hard Processor System of the Altera Agilex 7 FPGA SoCs?
    •
  • What is the maximum number of transceivers available in the highest-density variants of the Altera Agilex 7 FPGA?
    •
  • What CXL protocol configurations are supported by the Altera Agilex 7 FPGA for data center applications?
    •
  • What functional safety and security features are enhanced in the Altera Agilex 7 FPGA?
    •
  • What power efficiency gains per watt does the Altera Agilex 7 FPGA claim versus competing 7nm FPGAs?
    •
  • What package options and ball counts are offered for high-density Altera Agilex 7 FPGA devices?
    •
  • How does the Altera Agilex 7 FPGA support 400G Ethernet applications through its transceivers?
    •
  • What are the key differences between the F-Series, I-Series, and M-Series of the Altera Agilex 7 FPGA?
    •
  • What partial reconfiguration and dynamic reconfiguration capabilities does the Altera Agilex 7 FPGA offer?
    •
  • How many user I/Os and high-speed I/Os are supported in typical Altera Agilex 7 FPGA packages?
    •
  • What clocking architecture enhancements are present in the second-generation HyperFlex of the Altera Agilex 7 FPGA?
    •
  • What anti-tamper and secure boot features are built into the Altera Agilex 7 FPGA?
    •
  • How does the hardened NoC in the Altera Agilex 7 FPGA M-Series improve memory access efficiency?
    •
  • What is the maximum number of 18x19 multipliers available across the DSP resources in the Altera Agilex 7 FPGA?
    •
    Copyright © 2021-2026 icDirectory.com
    About Us | Email: support@icdirectory.com
    icDirectory.com is a specialized electronic components platform based in the United Kingdom, dedicated to serving manufacturers and EMS providers from Europe, America, Asia and around the world. The platform is designed to meet the unique needs of professionals in the electronics industry, providing high-quality, real-time inquiry services that connect users with manufacturers and suppliers.