1PC 3.84TB SSD Samsung PM983 PCIe NVMe M. 2 22110 Enterprise MixedUse REM-SEC-MZ-1LB3T80. Enterprise grade mixed-use SSD. Samsung Polaris NVMe controller. 48-layer TLC V-NAND flash memory. 2 22110 form factor. Check your motherboard for length support; many laptops and some desktop boards only support 2280 form factor. Up to 2,000 MB/s. Up to 1,200 MB/s. Up to 430K IOPS. Up to 40K IOPS. Uncorrectable Bit Error Rate (UBER). Mean Time Between Failures. 1.3 drive write per day for 3 years. 30 days more protection after order completion 3. Return any product, only those in perfect condition 4. We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately.