Synology 2 Bay NAS DiskStation DS720+ (Diskless)

Two built-in M.2 2280 NVMe SSD slots permit cache acceleration without occupying storage drive bays.
Intel quad-core processor with AES-NI hardware encryption engine; over 225 MB/s sequential read and 195 MB/s sequential write throughput.
2 GB DDR4 memory (expandable up to 6 GB); Scalable up to 7 drives with Synology DX517
Average 15% performance boost to photo indexing and other computing-intensive operations, as well as database response time.
By default, two camera licenses are installed; extra licenses can be purchased (CLP1, CLP4, or CLP8)

Synology DiskStation DS720+ is a compact network-attached storage solution designed to streamline data and multimedia management. Two built-in M.2 SSD slots and Synology SSD Cache technology allow you to boost system I/O and application performance. With scalable storage design, DS720+ lets you start small and expand storage capacity with the Synology DX517 as your data grows.

	Synology DS220+	Synology DS420+	Synology DS720+	Synology DS920+
Drive Bays	2	4	2	4
Maximum Drive Bays with Expansion Unit	2	4	7	9
Maximum Internal Raw Capacity	32 TB (16 TB drive x 2) (Capacity may vary by RAID types)	64 TB (16 TB drive x 4) (Capacity may vary by RAID types)	32 TB (16 TB drive x 2) (Capacity may vary by RAID types)	64 TB (16 TB drive x 4) (Capacity may vary by RAID types)
CPU	2-core 2.0 (base) / 2.9 (burst) GHz	2-core 2.0 (base) / 2.9 (burst) GHz	4-core 2.0 (base) / 2.7 (burst) GHz	4-core 2.0 (base) / 2.7 (burst) GHz
Hardware Encryption Engine (AES-NI)	✓	✓	✓	✓
Memory	2 GB DDR4 (Expandable up to 6GB)	2 GB DDR4 (Expandable up to 6GB)	2 GB DDR4 (Expandable up to 6GB)	4 GB DDR4 (Expandable up to 8GB)
RJ-45 1GbE LAN Port	2 (with Link Aggregation / Failover support)	2 (with Link Aggregation / Failover support)	2 (with Link Aggregation / Failover support)	2 (with Link Aggregation / Failover support)
USB 3.0	2	2	2	2
Compatible Drive Type	3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD	3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD, M.2 2280 NVMe SSD	3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD, M.2 2280 NVMe SSD	3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD, M.2 2280 NVMe SSD

Category：Electronics Color:DS220+,DS720+,DS420+,DS920+,DS1520+2-bay; 2GB DDR4,4-bay; 2GB DDR4,4-bay; 4GB DDR4,5-bay; 8GB DDR4 Category:Electronics Computers & Accessories Data Storage Brand:Synology Color Size:DS220+,DS720+,DS420+,DS920+,DS1520+2-bay; 2GB DDR4,4-bay; 2GB DDR4,4-bay; 4GB DDR4,5-bay; 8GB DDR4