Description
Synology DiskStation DS1621+
Specifications
| CPU | AMD Ryzen V1500B 4-core 2.2 GHz (8 threads) |
|---|---|
| Hardware Encryption | AES-NI |
| Memory (default / max) | 4 GB DDR4 ECC SO-DIMM (1 slot used, up to 32 GB) |
| Drive Bays | 6 × 3.5″/2.5″ SATA HDD/SSD, hot-swappable |
| Expansion Support | Up to 16 bays via 2 × DX517 |
| M.2 Slots | 2 × M.2 2280 NVMe SSD (for cache) |
| PCIe Slot | 1 × PCIe 3.0 x8 (x4 link speed)—10/25GbE NIC support |
| LAN Ports | 4 × 1 GbE RJ‑45 (Link Aggregation & Failover) |
| USB/eSATA | 3 × USB 3.2 Gen 1 Type‑A, 2 × eSATA |
| Performance – 4K Random Read IOPS | Up to 110 608 IOPS |
| Sequential Read/Write | Up to 2 323 MB/s read, 1 434 MB/s write* |
| Noise Level (Idle) | 25.2 dB(A) |
| Power Consumption | 51.22 W (access), 25.27 W (HDD hibernation) |
| Power Supply | Internal 250 W, 100–240 V AC |
| Dimensions | 282 × 166 × 243 mm (11.1″×6.5″×9.6″) |
| Weight | 5.1 kg (11.2 lb) |
| Operating Temp/Humidity | 0 °C–40 °C; 8–80 % RH |
| Storage Temp/Humidity | −20 °C–60 °C; 5–95 % RH |
| Certifications | FCC, CE, BSMI, VCCI, RCM, EAC, CCC, KC, BIS, RoHS |
| Warranty | 3-year hardware (extendable to 5 years with EW201/EW202) |
Software & DSM Features
| OS | Synology DiskStation Manager (DSM) |
|---|---|
| File System | Btrfs (advanced snapshots, data self-healing, deduplication) |
| Max Volume Size | Up to 108 TB per volume |
| RAID Support | Synology Hybrid RAID, Basic, JBOD, RAID 0/1/5/6/10 + online expansion/migration |
| Backup Solutions | Snapshot Replication, Hyper Backup, Active Backup Suite |
| Virtualization Support | VMware vSphere, Hyper-V, Citrix XenServer, OpenStack; Virtual Machine Manager |
| File Services & Protocols | SMB1/2/3, NFSv3/v4.1, AFP, FTP, WebDAV, iSCSI, CalDAV |
| Max Users/Connections | 2 048 users; 1 000 concurrent CIFS/FTP sessions (2 000 with RAM upgrade) |
| Collaboration Suite | Synology Drive, Office (Docs/Sheets/Slides), MailPlus, Chat, Calendar |
| Surveillance | Surveillance Station—supports up to 40 IP cameras |
| Security | HTTPS, SSH, SSL/TLS, firewall, auto IP/account blocking, Kensington lock |
| Encryption | AES-NI accelerated shared folder encryption |
| Mobile Apps | Synology Drive, Photos, Mail, Chat (Android/iOS) |
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