Please place the order correctly and sign to confirm receipt in time. About capacity: 250GB=approximately 200GB-240GB 256GB=approximately 210GB-245GB 500GB=approximately 440GB-490GB 512GB=approximately 450GB-500GB 1TB=approximately 880GB-980GB 2TB=approximately 1760GB-1960GB 1MB=1000KB. Warm Tips: About Speed: different test softwares will get different speed, speed will be affected by many different factors, our datas only as reference About production site: China, South Korea, the Philippines! Notice: Our Store offers 100% tested products. Package list :(Send by your choose) SSD x 1. Flexible selection of multiple capacities to meet different needs? De four capacities of 250GB/500GB/1TB/2TB, suitable for various usage scenarios. 250GB: Economical entry-level, suitable for system disk upgrade. 500GB: Balancing cost-effectiveness to meet daily office and gaming needs. 1TB: High performance and large capacity, smooth operation of large software/games. 2TB: Massive storage, suitable for professional users/content creators. Fast read and write speed, strong performance? Up to 3500 MB/s read and 3000 MB/s write (1TB/2TB version), significantly improving system response, game loading, and file transfer speed. The 250GB/500GB version still provides 2300MB/s2600MB/s write, meeting daily efficiency requirements. PCIe 3.0 is a cost-effective choice? Adopting PCIe 3.0 x4 interface, compatible with mainstream desktop/laptop, providing a PCIe 4.0 experience at a better price. Compared to SATA SSDs, the speed is increased by more than 6 times, making it suitable for upgrading old devices. Intelligent heat dissipation, stable and durable? Dynamic Thermal Protection (DTG) technology effectively controls temperature, avoids overheating and speed reduction, and ensures long-term high-performance operation. About Speed: different test softwares will get different speed, speed will be affected by many different factors, our datas only as reference. About production site: China, South Korea, the Philippines! Our Store offers 100% tested products. Package list :(Send by your choose). You has agreed our all terms. There are NO EXCEPTIONS! OR, you may choose to have a replacement. Customer`s satisfaction is our goal. (No such issues for USA). 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. Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues. It is impossible to address issues if we do not know about them! We care about our valued customers, and will always try to help you. Desktop, Laptop, Server, Workstation….. Supported drive type(s). SSD (Solid State Drive). 250GB, 500GB, 1TB, 2TB.