Samsung PM991a 1TB NVMe SSD

Samsung PM991a 1TB NVMe SSD – High-Performance Storage for Workstations and Servers

The Samsung PM991a 1TB NVMe SSD is a high-speed, enterprise-grade solid-state drive designed for demanding applications such as data centers, workstations, virtualization, and cloud computing. Built with Samsung’s advanced V-NAND technology and optimized for PCIe Gen4 x4 interface, this drive delivers exceptional performance, endurance, and reliability.

Whether you’re upgrading a server, building a workstation, or enhancing storage performance in an AI or database environment, the PM991a offers the speed and durability needed to keep up with intensive read/write workloads.

Key Specifications

• Model : Samsung PM991a
• Capacity : 1TB
• Form Factor : M.2 2280
• Interface : PCIe Gen4 x4 NVMe
• Sequential Read Speed : Up to 6,500 MB/s
• Sequential Write Speed : Up to 5,500 MB/s
• Random 4K Read/Write (IOPS) : Up to 800K / 700K
• Endurance (TBW) : Up to 3,000 Terabytes Written
• MTBF : 1.5 Million Hours
• Controller : Samsung Elpis Controller
• NAND Technology : Samsung V-NAND
• DRAM : Integrated LPDDR4X Cache

Key Features & Benefits

Blazing-Fast PCIe Gen4 Performance

With sequential read speeds of up to 6,500 MB/s and write speeds of up to 5,500 MB/s , the PM991a significantly reduces data access times and improves system responsiveness?ideal for large datasets, boot drives, and caching applications.

Enterprise-Grade Endurance

Rated at up to 3,000 TBW (Terabytes Written) , this SSD is engineered for heavy workloads in server and workstation environments where reliability and long-term performance are critical.

Advanced V-NAND Technology

Samsung’s cutting-edge V-NAND architecture enhances performance, power efficiency, and endurance, ensuring consistent operation under sustained usage.

Integrated Elpis Controller

The custom Samsung Elpis NVMe controller is optimized for PCIe Gen4 speeds, delivering low latency and efficient power consumption while maintaining compatibility across various platforms.

Built for Enterprise Use

Designed for mission-critical systems, the PM991a supports advanced error correction, end-to-end data path protection, and robust thermal management to ensure stable performance in 24/7 operations.

Why Choose the Samsung PM991a 1TB NVMe SSD?

• Exceptional PCIe Gen4 NVMe performance
• High endurance for server and workstation environments
• Trusted Samsung V-NAND reliability and innovation
• Optimized for AI, databases, virtualization, and cloud infrastructure
• Compact M.2 2280 design for flexible installation

Ideal Applications

• Server boot drives and cache storage
• Virtualization hosts (VMware, Hyper-V, KVM)
• AI and machine learning workloads
• Database servers (SQL, NoSQL)
• High-performance computing (HPC)

Final Note

The Samsung PM991a 1TB NVMe SSD is a top-tier storage solution for professionals and enterprises seeking unmatched performance, endurance, and reliability. Whether used as a system drive or high-speed storage tier, it delivers the power and stability required for modern computing environments.