Samsung PM991 512GB M.2 NVMe PCIe Gen3x4 Internal SSD

 The Samsung PM991 512GB M.2 NVMe PCIe SSD (Model / Part Number: MZALQ512HALU-000L2) is a high-efficiency Original Equipment Manufacturer (OEM) solid-state drive built by Samsung. Designed as a reliable primary storage solution for modern laptops and desktop PCs—including widely deployed Lenovo systems—it provides rapid system boot times, immediate application launches, and swift file transfer speeds for everyday and professional computing.

Leveraging a PCIe Gen3 x4 NVMe 1.3 interface, Samsung's 3D V-NAND technology, and Host Memory Buffer (HMB) technology, the PM991 delivers sequential read speeds up to 2,200 MB/s and write speeds up to 1,200 MB/s without requiring dedicated DRAM. Built-in TRIM support ensures continuous performance maintenance and longevity over extended operational workloads.

Available from DataDive, a leading IT hardware and component supplier in Qatar, this original Samsung OEM solid-state drive offers low thermal output, high power efficiency, and compact M.2 versatility—making it an ideal, cost-effective storage upgrade or direct replacement for thin-and-light laptops, ultrabooks, and compact desktop PCs.

Key Features:

• High-speed 512 GB (approx. 476.9 GiB usable) NVMe M.2 SSD manufactured by Samsung

• High-bandwidth PCIe Gen3 x4 NVMe 1.3 interface for fast system bootup and app loading

• Features Host Memory Buffer (HMB) technology for optimized performance and power usage

• Built-in TRIM support and active garbage collection to maintain long-term drive health

• Compact M.2 form factor designed for ultra-thin laptops and modern desktop motherboards

• Widely integrated OEM component trusted by major PC manufacturers like Lenovo

Technical Specifications:

• Brand: Samsung

• Series: PM991 Series

• Model / Part Number: MZALQ512HALU-000L2

• Product Type: Internal Solid State Drive (SSD)

• Capacity: 512 GB

• Form Factor: M.2 NVMe (2242 / 2280 compatible depending on mounting bracket)

• Interface: PCIe Gen3 x4, NVMe 1.3

• NAND Flash Type: Samsung 3D V-NAND Flash

• Sequential Read Speed: Up to 2,200 MB/s

• Sequential Write Speed: Up to 1,200 MB/s

• Performance Technologies: Host Memory Buffer (HMB), TRIM Support, S.M.A.R.T. Monitoring

• Application / Compatibility: Lenovo Laptops, Ultrabooks, Desktop Motherboards, and Standard M.2 PCIe NVMe Slots