Dahua 256GB M.2 NVME PCIe Gen4x4 SSD-DHI-SSD-C970N256G

The Dahua 256 GB M.2 NVMe PCIe Gen4×4 SSD (model DHI‑SSD‑C970N256G) delivers ultra‑fast storage performance in a compact M.2 2280 form factor. Powered by a PCIe 4.0 ×4 interface, NVMe 1.4 support, and a high‑performance IG5220 controller, this SSD achieves sequential read speeds up to 4,600 MB/s and write speeds up to 1,400 MB/s, meeting the demands of high‑end users, gamers, and content creators working with large files or demanding workloads.

Product Features

PCIe Gen4×4 Interface with NVMe 1.4

Supports PCIe 4.0 ×4 lanes and NVMe 1.4 protocol for ultra-low latency and high-throughput performance

High-Performance IG5220 Controller

Equipped with a four-channel IG5220 controller enabling impressive sequential and random read/write speeds up to 4,600 MB/s and 1,400 MB/s respectively

3D NAND Flash with LDPC ECC

Uses high-quality 3D NAND in combination with LDPC error correction to ensure data integrity, endurance, and stability under prolonged use

Hybrid Intelligent Temperature Control

Built with an advanced thermal algorithm to maintain consistent performance under heavy workloads without overheating

SMART, TRIM, Garbage Collection Support

Includes industry-standard health and maintenance features to sustain performance and reliability over time

Product Specifications

• Model: DHI‑SSD‑C970N256G
• Capacity: 256 GB
• Form Factor: M.2 2280 (80 × 22 × 2.25 mm)
• Weight: Max 8 g
• Interface: PCIe Gen 4.0 ×4
• Protocol: NVMe 1.4
• NAND Flash: 3D NAND
• Sequential Read Speed: Up to 4,600 MB/s
• Sequential Write Speed: Up to 1,400 MB/s
• 4K Random Read IOPS: Up to ~205,000
• 4K Random Write IOPS: Up to ~310,000
• MTBF: 1,500,000 hours
• TBW: 500 TB
• Power Consumption: ~3,250 mW max, ~1,450 mW idle
• Features: LDPC ECC, SMART, TRIM, Garbage Collection, High‑performance SLC cache
• Operating Temperature: 0 °C to +70 °C
• Storage Temperature: –40 °C to +85 °C
• Operating Humidity: 5%–95% (non‑condensing)
• Vibration Resistance: 10–200 Hz, 0.5 G
• Shock Resistance: 1,500 G / 0.5 ms (half sine wave)
• Warranty: 3‑year limited warranty or TBW limit, whichever is first