# Which Infinium BeadChip types can be scanned using the NextSeq 550?

The NextSeq 550 has both sequencing and array scanning capabilities.

The iScan can image the complete Infinium array product portfolio; whereas, the NextSeq 550 currently supports the following select BeadChip types only.

| BeadChip                                                                    | Scan time per BeadChip | No. of samples | Scan time per sample |
| --------------------------------------------------------------------------- | ---------------------- | -------------- | -------------------- |
| Infinium MethylationEPIC                                                    | 40 minutes             | 8              | 5 minutes            |
| Infinium CytoSNP-850K                                                       | 40 minutes             | 8              | 5 minutes            |
| Infinium HumanCytoSNP-12\*                                                  | 40 minutes             | 12             | 3.3 minutes          |
| Infinium HumanKaryomap-12\*                                                 | 40 minutes             | 12             | 3.3 minutes          |
| [Karyomap v2](https://www.vitrolife.com/products/genomics/karyomap-v2/)\*\* | 40 minutes             | 8              | 5 minutes            |

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For additional information, refer to the following resources:

* NextSeq 550
  * [System Specifications Page](https://www.illumina.com/systems/sequencing-platforms/nextseq/specifications.html)
  * [Specification Sheet](https://www.illumina.com/content/dam/illumina/gcs/assembled-assets/marketing-literature/nextseq-550-system-spec-sheet-m-gl-01298/nextseq-550-system-spec-sheet-m-gl-01298.pdf)
* iScan
  * [System Specifications Page](https://www.illumina.com/systems/array-scanners/iscan/specifications.html)
  * [Specification Sheet](https://www.illumina.com/content/dam/illumina-marketing/documents/products/datasheets/iscan-data-sheet-970-2011-004.pdf)

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