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AmpereOne A160-28X server CPU in LGA 5964 socket, silver integrated heat spreader, processor only

Ampere

Ampere AMPEREONEA160-28X 2.8 GHz 160-Core 215W server processor

SKU CH-1G9A-Y1KWG MPN AMPEREONEA160-28X

A 160-core server processor running at 2.8 GHz with DDR5 5200 memory support and 215 W TDP on TSMC 5 nm

  • NameAmpereOne A160-28X 2.8GHz 160-Core 215W 276W 5 nm Server CPU
  • CPU Socket TypeLGA 5964
  • # of Cores160-Core
  • Operating Frequency2.8 GHz
  • Manufacturing TechTSMC 5 nm
  • Integrated Memory Controller SpeedDDR5 5200
  • 160 cores at 2.8 GHz deliver high parallel throughput for dense server workloads
  • TSMC 5 nm process enables 215 W TDP for efficient performance per watt
  • DDR5 5200 memory controller supports fast memory bandwidth for demanding applications
  • LGA 5964 socket fits compatible server platforms for scalable deployment
  • Hardware security features mitigate side-channel, buffer-overflow and ROP/JOP attack classes

High-Density Server Processor

The AmpereOne A160-28X is a 160-core server CPU operating at 2.8 GHz with a 215 W thermal design power. It uses TSMC 5 nm manufacturing and fits the LGA 5964 socket. The integrated memory controller runs DDR5 at 5200 MT/s.

Suited For Scale-Out Workloads

This processor targets cloud-native deployments and high-density compute clusters that benefit from many cores at moderate frequency. It includes hardware mitigations for speculative side-channel, buffer overflow and ROP/JOP attacks plus single-key memory encryption. Buyers who need fewer cores or higher single-thread frequency should look at something else.

Memory And Thermal Headroom

The DDR5 5200 controller supports large memory capacities typical of dual-socket platforms. At 215 W TDP the chip demands robust cooling; a 276 W figure is also listed for peak conditions. Cooling hardware is not included so integrators must provision adequate airflow and heatsink capacity.

Highlights

  • 160 cores at 2.8 GHz deliver high parallel throughput for dense server workloads
  • TSMC 5 nm process enables 215 W TDP for efficient performance per watt
  • DDR5 5200 memory controller supports fast memory bandwidth for demanding applications
  • LGA 5964 socket fits compatible server platforms for scalable deployment
  • Hardware security features mitigate side-channel, buffer-overflow and ROP/JOP attack classes

Specifications

BrandAmpere
SeriesAmpereOne
NameAmpereOne A160-28X 2.8GHz 160-Core 215W 276W 5 nm Server CPU
ModelA160-28X
CPU Socket TypeLGA 5964
# of Cores160-Core
Operating Frequency2.8 GHz
Manufacturing TechTSMC 5 nm
Integrated Memory Controller SpeedDDR5 5200
Thermal Design Power215W
Cooling DeviceCooling device not included - Processor Only
Shipping weight0.91 kg
Package size152 × 102 × 5 mm

Questions about this item

What LGA 5964 motherboard and DDR5-5200 memory do I need to pair with this 160-core AmpereOne A160-28X?

The processor requires an LGA 5964 socket motherboard and DDR5 memory running at 5200 MT/s; no cooling device is included, so a separate heatsink or liquid cooler rated for 215 W TDP must be provided.

Will the 2.8 GHz AmpereOne A160-28X boot and run on a server board designed for earlier Ampere Altra processors?

No, earlier Ampere Altra chips use a different socket; this model only fits LGA 5964 platforms, so an older Altra motherboard cannot be reused.

How can I verify the 160 cores are active and the DDR5 controller is operating at 5200 MT/s after installation?

Check the system BIOS or UEFI for 160 logical CPUs and DDR5-5200 speed, then run a Linux lscpu or dmidecode command to confirm core count and memory frequency.

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