Cisco DC SN840 1.60 TB Solid State Drive - 2.5" Internal - U.2 (SFF-8639) NVMe

The Cisco DC SN840 1.60 TB Solid State Drive is expertly designed to cater to modern data storage requirements. Built for enterprise environments, this 2.5-inch NVMe SSD delivers exceptional performance, reliability, and efficiency for data centers, cloud infrastructure, and demanding applications. With its U.2 (SFF-8639) connector and PCIe-based NVMe interface, it provides direct, high-bandwidth access to data, enabling faster boot times, quicker database transactions, and smoother virtualization. Whether you are deploying in a hyperscale environment or upgrading an on-premises server, the DC SN840 is engineered to handle intense workloads with precision and consistency. The drive is built to support intensive I/O patterns, delivering predictable latency even under heavy load, which is essential for mission-critical operations like database workloads, virtualization farms, and analytics pipelines. From start-up to peak operation, the SN840 maintains stable performance, helping IT teams meet service-level agreements and deliver responsive experiences to end-users. In addition, Cisco’s storage hardware is designed with enterprise-grade reliability in mind, featuring robust data protection mechanisms and firmware-level optimizations that minimize downtime and maximize uptime, a critical factor in service-oriented environments and enterprise IT strategy. Above all, this NVMe SSD is engineered to simplify data center operations by offering straightforward installation, easy management, and compatibility with a wide range of servers and storage backplanes that support U.2 interfaces.

• Blazing NVMe performance for critical workloads: The DC SN840 is designed to deliver high IOPS and sustained throughput that modern databases, virtual machines, analytics, and backup tasks demand. With low latency and fast random access, you can expect quicker transactional responses and more responsive applications across the data center. The drive thrives in mixed read/write environments, maintaining consistent performance even as workloads scale, which helps reduce bottlenecks in busy production environments and accelerates complex queries and data processing pipelines.
• 2.5-inch U.2 form factor for easy data-center integration: This drive uses the familiar 2.5-inch form factor with a U.2 (SFF-8639) interface, enabling straightforward installation into standard server backplanes and hot-swap bays. Its compact design helps maximize rack density while preserving airflow and cooling efficiency in crowded data-center racks. The U.2 interface provides direct PCIe connectivity, enabling high-bandwidth communication with servers and storage controllers, which translates into faster boot times, quicker VM provisioning, and smoother live migrations in virtualized environments.
• Generous 1.60 TB capacity for diverse workloads: The drive offers ample space for operating systems, databases, and virtual machine images, reducing the need for frequent upgrades and enabling larger datasets to be stored locally for faster access and analytics. The capacity supports large-scale software deployments and data-intensive workloads without compromising performance. With this amount of local storage, enterprises can consolidate workloads, implement robust caching strategies, and preserve hot data closer to compute resources, improving overall data access times and application responsiveness.
• Enterprise-grade reliability and endurance: The DC SN840 is built for long life in mission-critical environments. With advanced error correction, wear leveling, and robust write amplification control, it maintains consistent performance over time and reduces risk of data loss or downtime in busy data centers. Built-in reliability features help administrators meet stringent service-level objectives, protect data integrity under heavy I/O, and support long refresh cycles, firmware updates, and live migrations without sacrificing uptime or performance.
• Energy efficiency and thermal stability: Designed to minimize idle power and manage heat effectively, this SSD helps keep data-center operating costs down while maintaining stable performance under sustained workloads. Efficient thermal design supports higher I/O densities and reduces thermal throttling during peak operation, enabling more reliable sustained throughput and longer device lifespan in dense server configurations. By reducing power consumption and heat generation, the DC SN840 contributes to cooler data centers and lower cooling costs, which is especially valuable in modern cloud and enterprise deployments.

Technical Details of Cisco DC SN840 1.60 TB Solid State Drive

• Capacity: 1.60 TB
• Form factor: 2.5" internal
• Interface: NVMe (PCIe)
• Connector: U.2 (SFF-8639)
• Drive type: Solid State Drive (SSD)
• Target use: Data center and enterprise storage workloads

How to Install Cisco DC SN840

• Power down the server or workstation and unplug from the power source before handling the drive. This ensures statically safe installation and protects other components from potential damage.
• Open the drive bay or server backplane and locate an available U.2 SFF-8639 slot compatible with 2.5" NVMe drives. Verify the bay supports hot-swapping if you plan to deploy without powering down the system in maintenance windows.
• Carefully insert the SN840 into the U.2 connector, ensuring alignment and full engagement with the backplane, then secure with the mounting screws as required by the system chassis. Confirm that the drive is seated securely to prevent intermittent connections.
• Power on the host and enter the system BIOS or UEFI to confirm NVMe recognition and proper PCIe slot configuration; enable any required NVMe or PCIe settings for optimal performance. If your system uses PCIe bifurcation or lane configurations, apply the recommended settings for NVMe performance.
• In the operating system, initialize and format the drive using your preferred storage management tool, assign a volume letter or mount point, and configure any RAID or caching policies if applicable. After setup, verify health status and run a baseline performance test to ensure the drive delivers expected performance characteristics.

Frequently asked questions

• Q: What capacity does the Cisco DC SN840 offer?

  A: It provides 1.60 TB of storage capacity, designed for high-performance, enterprise workloads in data-center environments.

• Q: What form factor and interface does this drive use?

  A: It is a 2.5-inch internal drive with a U.2 (SFF-8639) connector and NVMe interface for direct PCIe access.

• Q: Is the Cisco DC SN840 suitable for databases and virtualization?

  A: Yes. The NVMe performance and robust reliability make it well-suited for databases, virtualization, analytics, and other demanding data-center workloads.

• Q: How do I install this drive?

  A: The drive is designed for NVMe-enabled servers with U.2 bays; follow your server’s maintenance procedures to install the drive, then initialize and format it in the OS as described in the installation steps above.

• Q: Can this SSD be used in a mixed workload environment?

  A: Yes. The DC SN840 is engineered to handle a variety of workloads—from transactional databases to virtualization and analytics—while maintaining reliable performance and consistent latency.