# What are the volume and number of enrichment reactions for Illumina Exome Panel (CEX)?

The **Illumina Exome Panel - Enrichment Oligos Only** panel (catalog number 20020183) contains 4 tubes, each with 45 ul volume, or 180 ul total volume.

The following are the number of supported enrichment reactions per kit for different Illumina library preparation methods. The total number of samples that can be prepared depends on the number of samples pooled per enrichment. Consult the relevant library preparation reference guide (linked below) for more information on supported enrichment plexities for each library preparation kit.

[**Illumina DNA Prep with Enrichment**](https://support.illumina.com/downloads/illumina-dna-prep-with-enrichment-reference-guide-1000000048041.html) **library preparation:** One Illumina Exome Panel panel kit is sufficient for 8 enrichment reactions.

[**TruSeq RNA Exome**](https://support.illumina.com/downloads/truseq-rna-exome-reference-guide-1000000039582.html) **library preparation:** One Illumina Exome Panel kit is sufficient for 12 enrichment reactions.

[**Illumina RNA Prep with Enrichment**](https://support.illumina.com/downloads/illumina-rna-prep-reference-guide-1000000124435.html) **library preparation:** One Illumina Exome Panel kit is sufficient for 32 enrichment reactions.

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