Synology HD6500 60-Bay Rackmount NAS Enclosure
Description
The Synology HD6500 is a high-density, 4U rackmount storage server built for multi-petabyte warm and cold data workflows. It houses 60 hot-swappable 3.5″ SAS HDD bays in a single chassis, leverages dual Intel® Xeon® Silver 10-core processors with 64 GB DDR4 ECC RDIMM (expandable to 512 GB), and delivers over 6,688 MB/s sequential read and 6,662 MB/s sequential write throughput.
Hardware Specifications
| Specification | Details |
|---|---|
| Form Factor | 4U rackmount |
| Drive Bays | 60 × hot-swappable 3.5″ SAS HDD |
| Maximum Expansion | Up to 300 drives with 4 × RX6022sas expansion units |
| CPU | 2 × Intel® Xeon® Silver 10-core (2.1 GHz base, 3.0 GHz turbo) |
| System Memory | 64 GB DDR4 ECC RDIMM (4 slots; up to 512 GB) |
| Network Interfaces | 2 × 10 GbE RJ-45, 3 × 1 GbE RJ-45 (expandable via 4 PCIe Gen3 ×8 slots) |
| PCIe Expansion Slots | 4 × PCIe Gen3 ×8 |
| Redundant Power Supply | Dual hot-swappable units |
| Dimensions (H × W × D) | 177.8 mm × 482 mm × 685.4 mm |
| Weight | 38 kg |
| Warranty | 5-year limited hardware warranty |
Key Software & Features
- DiskStation Manager (DSM) for unified storage management, file services, backup, virtualization, and surveillance.
- Btrfs file system with metadata mirroring, inline compression, checksums, and rapid snapshot replication.
- Active Backup Suite for agentless, multi-version protection of physical, virtual, and SaaS workloads.
- Synology High Availability for seamless failover between clustered HD6500 servers.
- SAS multipathing and redundant links to expansion units for enhanced throughput and fault tolerance.
- Out-of-band management (OOB) port for remote maintenance and diagnostics.
Performance & Scalability
With dual Xeon Silver CPUs and 64 GB ECC RAM, the HD6500 sustains over 6,688 MB/s read and 6,662 MB/s write throughput under heavy I/O loads. Native support for up to four RX6022sas expansion units enables online scale-out from 60 to 300 drives without service interruption.
Ideal Use Cases
- Centralized backup repositories for enterprise environments requiring petabyte-scale capacity.
- Video post-production and media archiving workflows demanding high sequential throughput.
- Large-scale surveillance storage supporting thousands of camera feeds.
- Warm and cold data tiers in hybrid cloud architectures.
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