Hynix 7.68TB PE8110 EDSFF E1. S 15mm PCIe 4.0 SSD NVMe HFS7T6GEEWX091N – NEW. 0 Power on hours, powered on to test functionality and perform CrystalDiskInfo speed test. 15mm Heatsinks are in Grade A/B condition. Most look new but a couple of the units have small nicks and scratches on them. These should not affect cooling functionality. 30 days guaranteed against DOA.