Ampere Altra 64-Bit Multi-Core Processor
Designed to meet the requirements of modern datacenters, Ampere Altra delivers predictable performance, high scalability, and power efficiency for datacenter deployments from hyperscale cloud to the edge cloud. Drive efficiency in your datacenter infrastructure workloads, including data analytics, artificial intelligence, database storage, telco stacks, edge computing, and web hosting.
Processor Subsystem
80 Arm v8.2+ 64-bit CPU cores up to 3.30 GHz maximum
64 KB L1 I-cache, 64 KB L1 D-cache per core
1 MB L2 cache per core
32 MB System Level Cache (SLC)
2x full-width (128b) SIMD
Coherent mesh-based interconnect
Distributed snoop filtering
Memory
8x 72-bit DDR4-3200 channels
ECC, Symbol-based ECC, and DDR4 RAS features
Up to 16 DIMMs and 4 TB/socket
System Resources
Full interrupt virtualization (GICv3)
Full I/O virtualization (SMMUv3)
Enterprise server-class RAS
Connectivity
128 lanes of PCIe Gen4
8 x8 PCIe + 4 x16 PCIe/CCIX with Extended Speed Mode (ESM) support for data transfers at 20/25 GT/s
48 controllers to support up to 32 x2 links
192 lanes in 2P configuration
Coherent multi-socket support
4 x16 CCIX lanes with two x16 lanes dedicated for inter-socket connectivity on a 2P system