Synology DiskStation DS925+ 4-Bay NAS 64 TB with 4× Synology HAT5300 16TB Drives

Synology DS925+ – 4-Bay NAS with 4×16 TB HAT5300

📌 General presentation

The Synology DS925+ is a professional 4-bay NAS, delivered with 4 preinstalled 16 TB Synology HAT5300 drives, offering a total raw capacity of 64 TB. Compact, powerful and reliable, it meets business needs for virtualization, backup and private cloud.

It features an AMD Ryzen V1500B processor (4 cores / 8 threads at 2.2 GHz) and 4 GB DDR4 ECC RAM (expandable to 32 GB). The system supports demanding environments and can be expanded to 9 drives using the DX525 expansion unit.

HAT5300 16 TB drives are built for heavy workloads (550 TB/year), with 512 MB cache and 7200 RPM. Fully integrated with DSM, they provide alerts, RAID monitoring, and proactive maintenance — ensuring stable 24/7 performance.

🔧 Key features

• Processor: AMD Ryzen V1500B – 4 cores / 8 threads @ 2.2 GHz

• RAM: 4 GB DDR4 ECC (expandable to 32 GB)

• Storage: 4 × 16 TB Synology HAT5300 – preinstalled

• SSD Cache: 2 × M.2 NVMe 2280 (Synology only)

• Network: 2 × RJ45 2.5 GbE (link aggregation supported)

• Expansion: Up to 9 drives with DX525 (USB‑C)

🔐 Security & reliability

• AES-NI hardware encryption

• Btrfs file system with snapshots and instant restore

• Auto integrity check of files

• Network redundancy (aggregation and failover)

• HAT5300 drives: 2.5M h MTBF, 550 TB/year workload, 5-year warranty

💼 Recommended use cases

• Centralized backup across multiple sites

• Private cloud and team collaboration (Synology Drive)

• Virtual machines with Synology VMM

• Surveillance (up to 30 IP cameras)

• Docker / Kubernetes containers

📦 Box contents

• 1 × Synology DS925+ NAS

• 4 × 16 TB HAT5300 drives (preinstalled)

• 1 × 120 W power adapter + cable

• 2 × RJ45 Cat5e cables

• Screw kit

• Quick install guide (EN / FR)

📊 Technical specifications

🧩 Compatible accessories

• NVMe SSDs: Synology SNV3400 / SNV3410

• Expansion unit: DX525

• UPS compatibility: APC, Eaton, Synology UPS

• SATA SSDs: Synology SAT5200 / SAT5210

✅ Warranty & support

• NAS: 3-year warranty (extendable to 5 years)

• HAT5300 drives: 5-year warranty

• Professional support via DSM included

ℹ️ Drive compatibility

HAT5300 drives are fully DSM-integrated (RAID, alerts, diagnostics). Use of non-certified drives is not recommended for mission-critical environments.