# Freeze thaws and kit stability for TruSight Oncology 500 automation library preparation kits

**How many freeze thaws are supported?**\
Illumina has validated up to four freeze thaw cycles; this is the same as for TruSight Oncology 500 manual library preparation kits.

**What is the guaranteed shelf life of automation library preparation kits?**\
Illumina guarantees at least 3 months of shelf life from the date of shipment; this is the same as for TruSight Oncology 500 manual library preparation kits.

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