Synology

Synology DS101912 DiskStation 20TB iSCSI NAS Server

Synology's 5-bay DS1019+ NAS delivers 20TB of iSCSI-ready storage with a quad-core Celeron and Btrfs support.

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Overview

Centralize Your Data with a Versatile NAS Solution

The Synology DiskStation DS1019+ is a high-performance network-attached storage (NAS) solution designed for a variety of server roles. With its Intel Celeron processor, ample memory, and support for multiple drives, the DS1019+ delivers reliable storage, backup, and file-sharing capabilities.

Key Features:

  • Processor: Intel Celeron J3455 Quad-Core 1.5GHz (up to 2.3GHz).
  • Memory: 8GB DDR3L SDRAM.
  • Storage: 20TB (5 x 4TB) 7.2K SATA HDDs.
  • Ports: 2 x RJ-45 1GbE LAN (with Link Aggregation/Failover), 2 x USB 3.0, 1 x eSATA.
  • Operating System: Synology DSM Software.
  • File System: Btrfs for Advanced LUN iSCSI Service.

Specifications:

  • Brand: Synology
  • Model: DS101912
  • Processor: Intel Celeron J3455 Quad-Core 1.5GHz (up to 2.3GHz)
  • RAM: 8GB DDR3L
  • Storage: 20TB (5 x 4TB) SATA HDDs
  • Ports: 2 x RJ-45, 2 x USB 3.0, 1 x eSATA
  • Operating System: Synology DSM
  • File System: EXT4, Btrfs
  • Color: Black

Pros & Cons

👍 Pros

  • Five-bay design with eSATA expansion support allows scaling storage capacity as needs grow
  • Btrfs file system provides advanced data integrity features including snapshots and checksumming
  • Dual 1GbE LAN ports with link aggregation deliver higher aggregate throughput for multi-user environments
  • 8GB RAM and quad-core Celeron processor handle multiple simultaneous services and users smoothly
  • Built-in M.2 NVMe SSD cache slots boost random I/O without using a drive bay

👎 Cons

  • 1GbE network ports limit maximum throughput compared to newer NAS units with 2.5GbE or 10GbE
  • Intel Celeron J3455 processor may bottleneck under heavy virtualization or 4K transcoding workloads
  • Fan and hard drive noise can be noticeable in quiet home office environments
  • Pre-populated 4TB drives are 7200 RPM SATA, which may not match the performance of NAS-optimized drives you would choose yourself

Frequently Asked Questions

The DS1019+ supports SHR, SHR-2, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 through Synology's DSM software, giving you flexibility to balance redundancy and capacity.
Yes, the DS1019+ supports a Synology DX517 expansion unit via its eSATA port, adding up to five more drive bays for a total of ten.
Yes, the DS1019+ has two built-in M.2 2280 NVMe SSD slots on the bottom of the unit for read/write caching, which can improve random I/O performance without occupying a drive bay.
The DS1019+ supports up to 8GB of DDR3L RAM. This listing includes the maximum 8GB configuration.
Yes, the two 1GbE RJ-45 LAN ports support both Link Aggregation and Failover for increased throughput or redundancy.