SSD, SYNOLOGY, 400GB, M.2, NVMe, Write speed 650 MBytes/sec, Read speed 3000 MBytes/sec, TBW 700 TB, SNV5420-400G

Supercharge your NAS/SAN
Enterprise Series M.2 NVMe SSDs are designed to intelligently work with Synology DiskStation Manager (DSM) to boost I/O performance. These high-performance NVMe drives accelerate the slower but higher-capacity storage space provided by traditional hard drives, enabling cost-effective, in-place upgrades for existing systems.

Consistently fast caching for 24/7 environments
Designed specifically for Synology systems, Enterprise Series M.2 NVMe SSDs are built for maximum performance consistency. Each drive is rated for up to 660,000/120,000 4K random read/write IOPS1 across the usable lifespan of the drive. Endurance of up to 2,900 TBW ensures longevity

Data integrity safeguards
The SNV3500 and SNV5400 Series offer full end-to-end data protection, including power loss protection to ensure data integrity during unexpected shutdowns. These series have capacitors in their power loss protection circuits to safely write cached data to NAND flash memory during power failures, thus preventing data loss.