Synology

Synology DS923+ 4-Bay NAS + 10GbE Upgrade Module

4.5 (4 reviews)

Versatile Storage and Networking Solution for Growing NeedsThe Synology DS923+ DiskStation offers scalable storage and advanced features, making it ideal for homes and small businesses. Paired with the Network Upgrade Module, it delivers high-speed connectivity and enhanced performance. Synology...

$709.98*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Versatile Storage and Networking Solution for Growing Needs

The Synology DS923+ DiskStation offers scalable storage and advanced features, making it ideal for homes and small businesses. Paired with the Network Upgrade Module, it delivers high-speed connectivity and enhanced performance.

  • Synology DS923+ (Diskless):
    • Drive Bays: 4
    • Expandability: Up to 9 drives with DX517 expansion unit
    • Connectivity: 2 x 1GbE ports (Optional 10GbE connectivity available)
    • Performance: Up to 625/559 MB/s sequential read/write throughput
    • Features: File and photo management, data protection, virtualization, surveillance solutions
  • Synology Network Upgrade Module:
    • Connectivity: 1 x 10GbE RJ-45
    • Compatibility: Supports 10/5/2.5/1GbE connections
    • Features: Maximizes performance in Synology systems

Key Features

Product 1: Up to 625/559 MB/s sequential read/write throughput makes file operations quick and efficient

Product 1: Leverage built-in file and photo management, data protection, virtualization, and surveillance solutions

Product 1: Two 1GbE ports for simple integration into existing environments with optional 10GbE connectivity to tackle more specialized, bandwidth-heavy applications

Product 1: Add 5 extra drive bays with one DX517 expansion unit for a maximum of 9 storage drives

Product 2: With Surveillance Station Centralized Management System (CMS), several to hundreds of Synology Deep Learning NVR and NAS devices can be managed, operated, updated, and protected from a central management server.

Product 2: Supports 10/5/2.5/1GbE connections to work with nearly any RJ-45 network environment

Product 2: Designed for maximum performance and reliability in Synology systems

Specifications

Sequential Read Throughput
Up to 625 MB/s
Sequential Write Throughput
Up to 559 MB/s
Base Ethernet Ports
Two 1GbE ports
Optional Ethernet Connectivity
10GbE (via upgrade module)
Maximum Drive Bays
9 (with DX517 expansion unit)
10GbE Upgrade Module Compatibility
10/5/2.5/1GbE RJ-45 networks
Included Module Purpose
Surveillance Station Centralized Management System (CMS)

Pros & Cons

👍 Pros

  • Achieves high sequential read/write throughputs of up to 625/559 MB/s, facilitating rapid file operations.
  • Integrates built-in solutions for file and photo management, data protection, virtualization, and surveillance.
  • Features two 1GbE ports for straightforward network integration, with an option to upgrade to 10GbE.
  • Expandable with one DX517 expansion unit, allowing for a total of 9 storage drives to meet growing needs.
  • The included 10GbE Upgrade Module supports various network speeds (10/5/2.5/1GbE) for flexible integration.

👎 Cons

  • The base configuration only includes 1GbE ports, requiring an additional module for 10GbE speeds.
  • The product listing includes two distinct products, which may complicate the initial setup process for some users.
  • Surveillance Station CMS features are primarily for managing Synology Deep Learning NVR and NAS devices, limiting broader compatibility.
  • The initial 4-bay capacity might be restrictive for users with immediate, very large storage requirements before expansion.
  • Maximum performance and reliability from the 10GbE module are specifically stated for Synology systems, which may imply reduced performance with other brands.

Frequently Asked Questions

The Synology DS923+ NAS offers impressive sequential read throughput of up to 625 MB/s and sequential write throughput of up to 559 MB/s.
Yes, the Synology DS923+ can be upgraded with optional 10GbE connectivity to handle more bandwidth-intensive applications, and an upgrade module is included.
The DS923+ can be expanded with one DX517 expansion unit, allowing for a maximum of 9 storage drives in total.
It leverages built-in solutions for efficient file and photo management, robust data protection, virtualization, and comprehensive surveillance.
Yes, the 10GbE Upgrade Module supports 10/5/2.5/1GbE connections, ensuring compatibility with nearly any RJ-45 network environment.