2 PCI-Express 3.0 x 4 NVMe 3D NAND Internal Solid State Drive. CT1000P3SSD8 (1.0 TB). CT2000P3SSD8 (2.0 TB). CT4000P3SSD8 (4.0 TB). Device Type: Internal Solid State Drive (SSD). Memory Components: 3D NAND. Interface: PCI-Express 3.0 x4 NVMe. Max Sequential Read: Up to 3500 MBps. Max Sequential Write: Up to 1900 MBps (500GB)/ Up to 3000 MBps. 4KB Random Read: Up to 350,000 IOPS (500GB)/ Up to 650,000 IOPS. 4KB Random Write: Up to 460,000 IOPS (500GB)/ Up to 700,000 IOPS. Crucial P3 Plus M. 2 PCI-Express 4.0 x 4 NVMe 3D NAND Internal Solid State Drive. CT1000P3PSSD8 (1.0 TB). CT2000P3PSSD8 (2.0 TB). CT4000P3PSSD8 (4.0 TB). Interface: PCI-Express 4.0×4 NVMe. Max Sequential Read: Up to 4700 MBps (500GB) / 5000 MBps (1TB2TB) / 4800 MBps (4TB). Max Sequential Write: Up to 1900 MBps (500GB) / 3600 MBps (1TB) / 4200 MBps (2TB) / 4100 MBps (4TB). We are unable to offer you the option of picking up your order, we apologize. (outside of the USA). In all forms of correspondence. Do not guarantee the compatible issues. We will supply you a replacement if merchandise is defective. We will make a replacement or credit depends on our inventory. Defective situation must be noticed within. All original packaging and accessories.