This is a new Dell EMC branded (manufactured by Samsung) EMC P/N 118000634 2.5" 7.68TB SAS Enterprise SSD with a Dell drive carriage.
The Dell-branded Samsung PM1643 (Model: MZ-ILT7T6A) is a 7.68TB enterprise-class, read-intensive 2.5-inch SAS solid-state drive designed for high-availability data centers and Dell PowerEdge servers.
Technical Specifications

• Capacity: 7.68TB (7,680GB)
• Form Factor: 2.5-inch Small Form Factor (SFF) - 15mm height
• Interface: SAS 3.0 (12 Gb/s)
• Flash Memory Type: Triple-Level Cell (TLC) V-NAND
• Sequential Read Speed: Up to 2,100 MB/s
• Sequential Write Speed: Up to 2,000 MB/s
• Random Read IOPS: Up to 400,000 IOPS
• Random Write IOPS: Up to 70,000 IOPS
• Endurance: 1 Drive Write Per Day (DWPD) for 5 years (Read Intensive)
• Mean Time Between Failures (MTBF): 2,000,000 hours
• Power Consumption: 11W (Active) / 4.5W (Idle)
• Compatibility: Engineered for Dell PowerEdge servers and Dell EMC storage platforms utilizing 2.5" SAS drive bays.
• Note About Compatibility:-00AC3(EMC OEM):This suffix indicates a drive strictly provisioned withEMC/Dell EMC storage array firmware.If you are replacing a failed drive inside a dedicated Dell EMC storage array (like a VNX, Unity, or PowerVault system), you must use the -00AC3 version. Storage arrays use strict firmware checks; standard Dell server drives (-000C9) will usually throw an "unsupported drive" error or show up as unmanageable.