SanDisk DC SN861 1.6TB Enterprise NVMe SSD (0TS2531) – PCIe 5.0 x4 NVMe, 2.5″ U.2 (15mm)

The SanDisk DC SN861 1.6TB (0TS2531) is a 2.5″ U.2 (15mm) enterprise NVMe SSD with PCIe 5.0 x4 NVMe connectivity. It is built for servers, storage arrays and virtualized workloads where consistent latency and data protection matter. It is a practical choice for both new builds and upgrades.

Enterprise flash built for 24/7 workloads.

Why Servers Need Enterprise SSDs, Not Client Drives

Client SSDs are tuned for short bursts of activity. Under sustained server load their performance can drop sharply, and without power-loss protection a sudden outage can corrupt data still held in the drive’s cache.

The SanDisk DC SN861 1.6TB is designed for continuous enterprise duty with firmware tuned for consistent latency, power-loss protection and an endurance rating suited to mixed-use workloads.

Predictable Performance Under Load

PCIe 5.0 x4 NVMe connectivity and enterprise firmware keep latency steady for databases, VMs and file services.

Built for Data Protection

Power-loss protection capacitors flush in-flight data to flash if power is lost, protecting array integrity.

Setup Instructions

How to Install the SanDisk DC SN861 1.6TB

1. Check that your server, backplane or HBA supports this interface and form factor.
2. Install the SSD in the correct drive carrier.
3. Hot-insert it into the bay (if supported) and confirm detection in the controller or iDRAC/BMC.
4. Add it to a RAID set, storage pool or cache tier and enable health monitoring.