M.2 SAMSUNG PM991A 512GO GEN3 NVME 1.3
19 900 DA
UGS :
TOUS00021
Catégories : Composants, NVME PCI express, Stockage interne
Description
Samsung PM991A M.2 NVMe SSD 512GB (OEM)
The Samsung PM991A 512GB is a high-performance OEM NVMe solid-state drive designed for modern laptops and compact desktop systems. Built in the M.2 2280 form factor, it utilizes the PCIe 3.0 x4 interface with the NVMe 1.3 protocol to deliver fast boot times, rapid application loading, and responsive multitasking. Although often mistaken for a PCIe Gen4 SSD, the PM991A is officially a PCIe Gen3 x4 drive. It features Samsung’s advanced V-NAND flash memory and an in-house controller, offering an excellent balance of performance, power efficiency, and reliability for everyday computing and professional workloads.
Full Specifications
| Specification | Details |
|---|---|
| Brand | Samsung |
| Model | PM991A |
| Capacity | 512GB |
| Product Type | Internal OEM Solid State Drive (SSD) |
| Form Factor | M.2 2280 |
| Interface | PCIe 3.0 x4 |
| NVMe Version | NVMe 1.3 |
| Flash Memory | Samsung V-NAND (3D TLC NAND) |
| Controller | Samsung In-house Controller |
| Cache | Host Memory Buffer (HMB) – DRAM-less design |
| Sequential Read Speed | Up to 3,100 MB/s |
| Sequential Write Speed | Up to 1,800 MB/s |
| Random Read Performance | Up to 350,000 IOPS |
| Random Write Performance | Up to 320,000 IOPS |
| Operating Voltage | 3.3V |
| TRIM Support | Yes |
| S.M.A.R.T. Support | Yes |
| Garbage Collection | Supported |
| Power Management | Device Sleep (DevSleep) Support |
| Operating Temperature | 0°C to 70°C |
| MTBF | 1.5 Million Hours |
| Application | OEM laptops, ultrabooks, mini PCs, desktop upgrades (PCIe Gen3 compatible) |
Key Features
- 512GB high-speed NVMe storage.
- Compact M.2 2280 form factor for broad compatibility.
- PCIe 3.0 x4 interface with NVMe 1.3 protocol for excellent responsiveness.
- Samsung V-NAND technology for efficient performance and durability.
- DRAM-less architecture with Host Memory Buffer (HMB) for improved efficiency.
- Fast sequential transfer speeds up to 3,100 MB/s read and 1,800 MB/s write.
- Supports TRIM, S.M.A.R.T., and advanced power management features.
- Low power consumption, making it suitable for laptops and mobile devices.
- OEM-grade Samsung SSD designed for reliable daily computing and productivity.
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