Illumina microarray solutions

Screening tools for analyzing genetic variation on any scale

Microarrays and Array Techniques

Since the launch of our first Infinium BeadChip in 2005, Illumina has innovated robust, economical, and scalable microarray solutions for an ever increasing range of applications. Powered by industry-leading BeadArray and Infinium assay technologies, our comprehensive suite of microarrays delivers exceptional data quality and genomic coverage to accelerate both targeted and whole genome studies.

Through collaboration with key opinion leaders and institutions around the world, we develop products and workflow solutions that help propel scientific progress. We listen to our customers and seek to understand how we can help empower their research pursuits across the genomic continuum, from arrays to next-generation sequencing (NGS).

Powerfully Informative Microarray Solutions

  • Perform multi-omics analyses with Illumina arrays and next-generation sequencing
  • Achieve production-scale genotyping with Infinium XT
  • Accurately detect cytogenetic alterations and copy number variation (CNV)
  • Effectively complete methylation analysis studies

Choose from ready-to-use BeadChip arrays with expert-developed content, or design custom iSelect or semicustom arrays to suit specific research and analysis needs.

Propelling Progress with Microarrays
Propelling Progress with Microarrays

Dr. Weiss discusses how Illumina microarrays offer the quality and accuracy needed to fuel advances in biobank genotyping studies.

Featured Infinium BeadChip Microarray Solution

Our latest array solution introduces a new Infinium array format, workflow and software to support production-scale genotyping throughput levels.

Introducing the Infinium XT Production-Scale Genotyping Solution

Infinium BeadChip Arrays

Microarrays are ideal for processing thousands of samples cost-effectively to identify mutations and structural variants or changes in gene expression and methylation. Additional advantages include:

  • Reproducible, high-quality data at a low per-sample cost
  • Support fast, high-throughput, multiplex processing
  • Available in expert-selected, custom, and semi-custom formats
    • Easy-to-use assay design tools
  • Deliver fast time-to-answer
    • Easy workflow
    • Easy, intuitive analysis tools to visualize and analyze data
    • Barcode sample tracking
Benefits of Microarrays
Human Genotyping

Perform whole-genome or targeted genotyping of human samples with BeadChip microarrays for genome-wide association studies (GWAS), population studies and biobanking, or tailor research studies to detect common variants, CNVs, and more.

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Non-Human Genotyping

Carry out whole-genome selection studies, DNA fingerprinting, net merit, and marker-assisted breeding with species-specific catalog and consortia-developed BeadChip microarrays, or genotype species of interest with custom arrays.

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Methylation Analysis

Analyze and quantify methylation across the genome quickly and accurately with BeadChip methylation arrays.

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Visualize and analyze data from any BeadChip array with efficient software tools. See a comprehensive view of the genome, gene expression, and gene regulation with GenomeStudio Software, calculate statistics and interrogate clusters with Beeline Software, and develop custom and semi-custom arrays to fit specific research needs using the Assay Design Tool.

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Microarray Data Analysis

Our high-resolution array scanners are designed and optimized to deliver high-quality data for a broad range of applications, with the flexibility to meet a variety of throughput needs. These systems enable rapid, sensitive, and accurate imaging of Illumina microarrays. Learn more about our microarray scanners.

Pharmacogenomics and Cardiovascular Disease

See how researchers used an Illumina microarray to identify responder genotypes in a failed cholesterol drug trial.

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Find ready-to-use microarrays for a variety of genotyping and epigenetics studies, or design your own custom genotyping arrays. See all microarray kits.

Genetic Analysis of Language Disorders

Yale researchers use Illumina arrays and sequencing to uncover variants associated with language disorders.

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Biobank Sample Analysis
Biobank Sample Analysis

Find genotyping solutions that enable researchers to leverage biobank samples for translational and pharmacogenomic research, population studies, and more. Learn more about biobank sample genotyping.

Cancer Germline Mutation Analysis
Cancer Germline Mutation Analysis

Study cancer predisposition and risk with Illumina microarrays, sequencing systems, and data analysis software. Learn more about cancer germline mutation analysis.


High-resolution cytogenomic arrays enable detection of low-level mosaics, CNVs, LOH, and AOH across the genome. Learn more about cytogenomics.

Cancer Cytogenomics
Cancer Cytogenomics

Cytogenetics researchers can use complementary microarray and sequencing technologies for thorough analysis of chromosomal changes in cancer. Learn more about cancer cytogenetics.

Disease Variant Studies
Causal Variant Discovery

High-throughput sequencing and array technologies enable researchers to screen large sample numbers quickly to find disease-related causal variants. Learn more about causal variant discovery.

Population Studies
Population Studies

Cost-effectively identify common genetic variations among populations using high-performance, population-scale sequencing systems. Learn more about the HiSeq X Ten and HiSeq X Five Systems

Genotyping by Sequencing (GBS)
Genotyping by Sequencing (GBS)

As the cost of NGS continues to decline, sequencing becomes a powerful tool for performing genotyping studies. GBS is an efficient, cost-effective tool to discover and genotype SNPs in large populations. Learn more about GBS.

Genotyping for Agrigenomics
Agrigenomics Genotyping

Genotyping studies in plants and animals can uncover the relationship between genotype and phenotype, informing breeding decisions and the genetic selection of valued traits. Learn more about plant and animal genotyping.

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