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Green rectangular server processor with gold LGA 4926 contacts and silver heat spreader marked Ampere Altra Max M96-28

Ampere

Ampere Altra Max M96-28 AC-209619002 96-core 2.8 GHz server processor

SKU CH-C92D-9YGQ7 MPN AC-209619002

96-core Arm server processor running at a consistent 2.8 GHz with 128 PCIe 4.0 lanes, eight-channel DDR4-3200 memory support and a 132 W power envelope

  • NameAmpere Altra Max
  • CPU Socket TypeLGA 4926
  • # of Cores96-Core
  • # of Threads96
  • Operating Frequency2.8 GHz
  • L1 Cache64K Instruction and 64K Data per Core
  • 96 single-threaded cores deliver predictable cloud performance
  • Consistent 2.8 GHz frequency scales to 3.0 GHz under load
  • TSMC 7 nm FinFET process enables 132 W average power efficiency
  • Eight-channel DDR4-3200 controller supports up to 4 TB ECC memory
  • 128 PCIe 4.0 lanes provide high-bandwidth I/O connectivity

96-core server processor for cloud workloads

The Ampere Altra Max M96-28 is a 96-core, 96-thread processor running at a consistent 2.8 GHz frequency. It uses the LGA 4926 socket and is built on TSMC 7 nm FinFET technology. This CPU targets cloud-native computing environments requiring high core counts and predictable performance for scale-out workloads.

Eight-channel DDR4 memory and 128 PCIe Gen4 lanes

The integrated memory controller supports eight channels of 72-bit DDR4-3200 with ECC, accommodating up to 16 DIMMs and 4 TB total memory. The platform provides 128 lanes of PCIe 4.0 connectivity, with an optional 64-lane CCIX interface for multi-socket configurations. These I/O capabilities support extensive storage and networking expansion.

Suits hyperscale and enterprise deployments

This processor fits deployments prioritising core density, power efficiency, and consistent frequency scaling within a 132 W envelope. It is not suited for workloads requiring higher single-thread frequencies or platforms using different memory generations or socket standards. Buyers needing integrated graphics or alternative instruction sets should evaluate other architectures.

Highlights

  • 96 single-threaded cores deliver predictable cloud performance
  • Consistent 2.8 GHz frequency scales to 3.0 GHz under load
  • TSMC 7 nm FinFET process enables 132 W average power efficiency
  • Eight-channel DDR4-3200 controller supports up to 4 TB ECC memory
  • 128 PCIe 4.0 lanes provide high-bandwidth I/O connectivity

Specifications

BrandAmpere
SeriesAmpere Altra Family
NameAmpere Altra Max
ModelM96-28
CPU Socket TypeLGA 4926
# of Cores96-Core
# of Threads96
Operating Frequency2.8 GHz
L1 Cache64K Instruction and 64K Data per Core
L2 Cache1MB per Core
64-Bit SupportYes
Manufacturing TechTSMC 7 nm FinFET
Integrated Memory Controller SpeedDDR4 3200
Maximum Memory CapacityUp to 16 DIMMs (2DPC) and 4 TB total memory
Memory Channel8 Channel
Virtualization Technology SupportYes
PCI Express Revision4.0
Max # of PCI Express Lanes128 Lanes PCIe Gen4 (optional 64 lane CCIX for multi-socket support)
Average CPU Power132W
Shipping weight0.91 kg
Package size203 × 178 × 127 mm

Questions about this item

What thermal solution does the M96-28's 132 W average power require for continuous operation?

The processor has a 132 W average power rating; the server chassis and cooler must be sized to dissipate that heat continuously.

At sustained load, which limit appears first — the 128 PCIe 4.0 lanes or the 8-channel DDR4-3200 memory bandwidth?

Memory bandwidth from the 8-channel DDR4-3200 controller typically saturates before the 128 PCIe 4.0 lanes become a bottleneck.

How much heat does the 96-core Altra Max M96-28 generate at its 132 W average power during all-day operation?

At 132 W average power the chip produces 132 W of heat; the system's cooling must remove that continuously.

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