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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

  • Product nameAmpereOne A160-28X 2.8 GHz 160-Core 215 W 276 W 5 nm Server
  • CPU cores160-Core
  • CPU socketLGA 5964
  • TDP rating215 W
  • Working frequency2.8 GHz
  • Process nodeTSMC 5 nm
  • 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.

How it compares

Measured against everything we stock in Server Processors, at today’s prices. Recalculated every night.

Price $3,148.99
Pricier than about 75% of the 621 comparable items (median $1,561.99).
CPU cores 160-Core
Higher than about 97% of the 386 comparable items (median 24).
TDP rating 215 W
Higher than about 56% of the 395 comparable items (median 200 W).

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Specifications

Product
Brand nameAmpere
Product lineAmpereOne
Model nameA160-28X
Product nameAmpereOne A160-28X 2.8 GHz 160-Core 215 W 276 W 5 nm Server CPU
Performance
Working frequency2.8 GHz
Processor
CPU cores160-Core
CPU socketLGA 5964
TDP rating215 W
Process nodeTSMC 5 nm
Memory
Supported memory speedDDR5 5200
Size & build
Shipping weight0.91 kg
Package size152 × 102 × 5 mm
In the box
Included coolerNot included - Processor Only

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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