This listing includes a lot of Samsung 512GB SSDs (PCIe NVMe Gen4x4), pulled from fully functional laptops. All drives were previously used under normal daily conditions and are ready for continued use.Each SSD has been tested and confirmed to be in full working condition. Drive health is excellent, with over 94% remaining lifespan on all units. Health details are labeled on the back of each drive and shown in the second image.This lot is ideal for bulk deployment, NAS setups, system upgrades, or general storage expansion.Please review your compatibility requirements before purchasing, as no returns are accepted for this item.Product details:Model: Samsung PM9B1Capacity: 512GBInterface: PCIe Gen4 x4 (NVMe)Cache: 512MBFeatures: OPAL security (hardware encryption support)Condition: Tested, fully functional, excellent health