New Storage-Optimized Amazon EC2 I4g Instances: Graviton Processors and AWS Nitro SSDs

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Today we are launching I4g instances powered by AWS Graviton2 processors that deliver up to 15% better compute performance than our other storage-optimized instances.

With up to 64 vCPUs, 512 GiB of memory, and 15 TB of NVMe storage, one of the six instance sizes is bound to be a great fit for your storage-intensive workloads: relational and non-relational databases, search engines, file systems, in-memory analytics, batch processing, streaming, and so forth. These workloads are generally very sensitive to I/O latency, and require plenty of random read/write IOPS along with high CPU performance.

Here are the specs:

Instance Name vCPUs Memory Storage Network Bandwidth EBS Bandwidth
i4g.large 2 16 GiB 468 GB up to 10 Gbps up to 40 Gbps
i4g.xlarge 4 32GiB 937 GB up to 10 Gbps up to 40 Gbps
i4g.2xlarge 8 64 GiB 1.875 TB up to 12 Gbps up to 40 Gbps
i4g.4xlarge 16 128 GiB 3.750 TB up to 25 Gbps up to 40 Gbps
i4g.8xlarge 32 256 GiB 7.500 TB
(2 x 3.750 TB)
18.750 Gbps 40 Gbps
i4g.16xlarge 64 512 GiB 15.000 TB
(4 x 3.750 TB)
37.500 Gbps 80 Gbps

The I4g instances make use of AWS Nitro SSDs (read AWS Nitro SSD – High Performance Storage for your I/O-Intensive Applications to learn more) for NVMe storage. Each storage volume can deliver the following performance (all measured using 4 KiB blocks):

  • Up to 800K random write IOPS
  • Up to 1 million random read IOPS
  • Up to 5600 MB/second of sequential writes
  • Up to 8000 MB/second of sequential reads

Torn Write Protection is supported for 4 KiB, 8 KiB, and 16 KiB blocks.

Available Now
I4g instances are available today in the US East (Ohio, N. Virginia), US West (Oregon), and Europe (Ireland) AWS Regions in On-Demand, Spot, Reserved Instance, and Savings Plan form.

— Jeff;



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