Synology DiskStation DS1821+ 8-Bay Scalable Network-Attached Storage Enclosure

Device Type: High-Density 8-Bay Desktop NAS (Scalable up to 18 Bays).
Processor Engine: Powered by an enterprise-grade AMD Ryzen™ V1500B quad-core processor.
System Memory: Ships with 4 GB DDR4 ECC RAM, expandable up to 32 GB.
Caching Performance: Built-in dual M.2 NVMe SSD slots for dedicated high-speed cache acceleration.
Expansion Adaptability: Features a full-sized PCIe Gen3 x8 slot for 10GbE/25GbE network interface cards.
Massive Scalability: Expands up to 18 drive bays using dual Synology DX517 expansion chassis.

Description
Reviews (0)

The Synology DiskStation DS1821+ is an 8-bay storage infrastructure hub engineered to meet the demanding requirements of small-to-medium businesses, multi-tier databases, and large collaborative creative studios. Driven by an enterprise-tier AMD Ryzen quad-core processor, the DS1821+ processes random IOPS traffic, heavy virtualization pipelines, and high-volume data synchronization paths with remarkable efficiency.

Designed for ultimate hardware resilience, the DS1821+ implements professional DDR4 ECC memory to actively detect and resolve digital bit-flip anomalies, preventing unexpected file corruption or system chokepoints. Its broad 8-bay footprint allows network managers to deploy secure, high-fault-tolerance arrays like RAID 6 or Synology Hybrid RAID 2 (SHR-2), ensuring business data stays protected even during simultaneous drive failures. Backed by the versatile DiskStation Manager (DSM) operating system, it provides full data sovereignty with zero monthly cloud service fees.

Technical Specifications

Processor Architecture: AMD Ryzen V1500B (4-core 2.2 GHz) with hardware encryption engine (AES-NI).
Memory Architecture: 4 GB DDR4 ECC SO-DIMM (Dual slots, expandable up to 32 GB).
Primary Drive Bays: 8x Hot-swappable 3.5″ or 2.5″ SATA hard drives or solid-state drives.
Maximum Expansion: Connects up to 2x Synology DX517 expansion units to achieve 18 total bays.
Onboard Caching: 2x M.2 2280 NVMe SSD slots for cache performance acceleration.
Network Interfaces: 4x 1GbE RJ-45 ports supporting Failover, Link Aggregation, and Load Balancing.
Expansion Hardware Base: 1x PCIe Gen3 x8 slot (x4 link speed) for standard low-profile add-on cards.
Warranty Lifecycle: Protected by Synology’s robust 3-Year Limited Hardware Warranty (Extendable to 5 years).