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Samsung PM981a 256GB Client SSD

Samsung PM981a 256GB Client SSD

MZVLB256HAHQ-00000

SKU: MZVLB256HAHQ-00000 Category: Brand:
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Enterprise stock · tested · export documentation available

Product Overview

  • Manufacturer: Samsung Electronics Co., Ltd.

  • Product Line: Client SSD / OEM Series

  • Model Name: PM981a

  • Part Number (P/N): MZVLB256HAHQ-00000

  • Market Position: High-performance OEM NVMe SSD (Client / PC Edition equivalent to Retail 970 EVO Plus)

Technical Specifications

Specification Item Details
Capacity 256 GB
Form Factor M.2 2280 (80mm x 22mm)
Interface PCIe Gen 3.0 x4, NVMe 1.3
Controller Samsung Phoenix Controller (S4LR020)
NAND Flash Memory Samsung 96-Layer 3D V-NAND TLC
DRAM Cache 512 MB LPDDR4
Operating Voltage DC +3.3V ±5%
Rated Current 2.8 A

Performance Metrics

  • Sequential Read Speed: Up to 3,000 MB/s

  • Sequential Write Speed: Up to 1,300 MB/s

  • Random Read (4KB, QD32): Up to 200,000 IOPS

  • Random Write (4KB, QD32): Up to 320,000 IOPS

Physical & Reliability Features

  • Endurance (TBW): 150 TBW (Total Bytes Written)

  • MTBF (Mean Time Between Failures): 1.5 Million Hours

  • Smart Thermal Guard: Dynamic Thermal Guard (DTG) protection to prevent overheating

  • Security & Encryption: AES 256-bit Full Disk Encryption (TCG Pyrite supported)

  • S.M.A.R.T Support: Supported

  • TRIM Support: Supported

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