Specifications

NextSeq System Sequencing Performance Parameters

NextSeq 550 System High-Output Kit* NextSeq 550 System Mid-Output Kit*
Read Length Total Time Output Read Length Total Time Output
2 × 150 bp 29 hrs 100–120 Gb 2 × 150 bp 26 hrs 32.5–39 Gb
2 × 75 bp 18 hrs 50–60 Gb 2 × 75 bp 15 hrs 16.25–19.5 Gb
1 × 75 bp 11 hrs 25–30 Gb      

Reads Passing Filter

  NextSeq 550 System High-Output Kit NextSeq 550 System Mid-Output Kit
Single Reads Up to 400 Million Up to 130 Million
Paired-End Reads Up to 800 Million Up to 260 Million

Quality Scores††

NextSeq 550 System High-Output Kit NextSeq 550 System Mid-Output Kit
> 75% bases higher than Q30 at 2 × 150 bp > 75% bases higher than Q30 at 2 × 150 bp
> 80% bases higher than Q30 at 2 × 75 bp > 80% bases higher than Q30 at 2 × 75 bp
> 80% bases higher than Q30 at 1 × 75 bp  

††A quality score (Q-score) is a prediction of the probability of an error in base calling. The percentage of bases > Q30 is averaged across the entire run.

Estimated Sample Throughput for Key Applications

NextSeq 550 System High-Output Kit NextSeq 550 System Mid-Output Kit
1 human whole genome 3 exomes
12 exomes 12 enrichment panels
16 transcriptomes 96 amplicon panels
Illumina NGS Methods Guide

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