Dahua 256GB NVMe M.2 PCIe Gen4x4 SSD (DHI-SSD-C970N256G)

The Dahua 256GB NVMe M.2 PCIe Gen4x4 SSD is a high-speed internal storage solution designed for modern laptops and desktops that require fast boot times, rapid application loading, and efficient multitasking. Built on PCIe Gen 4.0 x4 interface with NVMe 1.4 protocol, it delivers impressive sequential read speeds of up to 5000MB/s and write speeds of up to 4400MB/s. Its compact M.2 2280 form factor makes it an ideal upgrade for performance-focused users such as gamers, content creators, and professionals working with large data files.

Product Features

High-Performance PCIe Gen4 Interface

This SSD leverages PCIe Gen 4.0 x4 technology to significantly boost data transfer speeds, ensuring faster system responsiveness and reduced loading times for demanding applications.

NVMe 1.4 Architecture for Low Latency

The NVMe 1.4 protocol enhances command efficiency and reduces latency, allowing smoother and more consistent system performance during heavy workloads.

Advanced 3D TLC NAND Flash Memory

Built with high-quality 3D TLC NAND, the drive offers improved endurance, stability, and energy efficiency for long-term reliable operation.

Intelligent SLC Caching Technology

Dynamic SLC caching improves burst performance, enabling faster write handling for tasks such as video rendering, gaming installs, and large file transfers.

Strong Data Integrity Protection

Integrated LDPC error correction, S.M.A.R.T monitoring, TRIM support, and advanced garbage collection work together to maintain data accuracy and optimize drive lifespan.

Efficient DRAMless Design with InnoGrit Controller

Powered by the InnoGrit IG5220 controller, this DRAMless SSD design balances performance and power efficiency while maintaining strong real-world speed consistency.

High Endurance and Reliability

With a total bytes written (TBW) rating between 150TB and 500TB depending on configuration, the SSD is built for sustained daily usage and heavy workloads.

Wide Operating Conditions Support

Designed for durability, it operates reliably across a temperature range of 0°C to 70°C and withstands storage conditions from -40°C to 85°C.

Product Specifications

• Brand: Dahua
• Model: DHI-SSD-C970N256G
• Storage Capacity: 256GB
• Form Factor: M.2 2280
• Interface: PCIe Gen 4.0 x4
• Protocol: NVMe 1.4
• Controller: InnoGrit IG5220
• NAND Type: 3D TLC NAND Flash
• Sequential Read Speed: Up to 5000MB/s
• Sequential Write Speed: Up to 4400MB/s
• Random Read Performance: Up to 205,000 IOPS
• Random Write Performance: Up to 310,000 IOPS
• Endurance (TBW): 150 TBW to 500 TBW (variant dependent)
• MTBF: 1.5 million hours
• Power Consumption (Max): ~3250 mW
• Power Consumption (Idle): ~1450 mW
• Operating Temperature: 0°C to 70°C
• Storage Temperature: -40°C to 85°C
• Shock Resistance: 1500G / 0.5 ms
• Vibration Resistance: 7–800 Hz at 3.08G
• Operating Humidity: 5%–95% non-condensing
• Weight: Up to 8g
• Data Protection Features: LDPC error correction, S.M.A.R.T monitoring, TRIM support, advanced garbage collection
• Usage: Gaming, content creation, professional workloads, system performance upgrade