Synology High Density HD6500

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Synology High Density HD6500 - 2 x Intel Xeon Silver 4210R Deca-core (10 Core) 2.40 GHz - 60 x HDD Supported - 0 x HDD Installed - 60 x SSD Supported - 0 x SSD Installed - 64 GB RAM DDR4 SDRAM - RAID Supported 0, 1, 5, 6, 10, Basic, JBOD - 60 x Total Bays - 60 x 2.5"/3.5" Bay - 4 x Total Slot(s) - 10 Gigabit Ethernet - 2 USB Port(s) - Network (RJ-45) - DiskStation Manager - SMB, FTP, NFS, WEBDAV, AFP, CalDAV, SFTP, HTTPS, LDAP, SMB 1.0, CIFS, ... - 4U - Rack-mountable

All the space you will ever need

With 60 bays in a 4U rackmount enclosure and support for up to 300 drives after expansion, the Synology HD6500 is the ideal high-density storage solution for large-scale warm and cold storage applications such as full system backups, video post-production, and large surveillance deployments.


2 x 10-core Intel Xeon Silver


Over 6,688/6,662MB/s sequential read/write


64 GB DDR4 ECC, expandable to 512 GB


Expand to 300 drives with four RX6022sas expansion units

Consistent performance at five times the size

The HD6500 is designed to scale up to 5 times in capacity with four additional RX6022sas expansion units. SAS multipath-enabled connectivity provides up to double the typical performance together and increased redundancy.

Built for high reliability

The HD6500 is built to keep mission-critical data and services accessible, so that businesses can continue to perform even when disaster strikes.

Out-of-band (OOB) management

Simplify troubleshooting by managing powered-down devices remotely and accessing critical logs through a dedicated interface.

Dual power supply

Reduce the possibility of power disruptions on a single distribution channel or PDU adversely impacting data and service availability with redundant PSUs.

High-reliability expansion architecture

Redundant SAS links prevent single points of failure from affecting other expansion units, ensuring higher data and service availability.

Powerful networking options

The HD6500 supports a large variety of networking interfaces, protocols, and configurations, whether you need fast sequential transfer, support for simultaneous connections, or high network redundancy.

Built-in fast connectivity

Three Gigabit Ethernet and two 10GbE RJ-45 ports allow for rapid transfer speeds right out of the box.

Mix and match network ports

Add up to 10 extra 10GbE SFP+/RJ-45, 25GbE SFP28, or Fibre Channel ports in varying configurations.

Failover and network balancing

Bond multiple network interfaces with Link Aggregation to enable automatic network failover and load balancing.

Consolidate your data storage

Back up your backup solutions, bring all your files together in one place, or bring distributed surveillance deployments under central control.

A private cloud suite for file sharing

Synology Drive is a private cloud management and access solution that enables remote data access, synchronization, on-demand file restoration, and backup via desktop and mobile applications. Sync data between different platforms and devices, and access your organization's files through mobile apps, desktop clients, and a browser-based interface. Set granular file and folder access and sharing permissions. Maintain a full overview of file activities and track file share settings changes with detailed records in the advanced Synology Drive Admin Console. Learn more

Cross-site syncing

Leverage SMB or NFS shares to provide efficient access to company files over the local network or VPN. Manage data access privileges with access control lists (ACL) though Active Directory/LDAP integration and protect files against tampering or removal with built-in snapshot technology.


Operating System DiskStation Manager
RAID Levels 0, 1, 5, 6, 10, Basic, JBOD
RAID Supported Yes
Standard Memory 64 GB
Memory Technology DDR4 SDRAM
Network & Communication
Ethernet Technology 10 Gigabit Ethernet
10 Gigabit Ethernet
Power Description
Redundant Power Supply Yes
Maximum Power Supply Wattage 1600 W
Number of Hard Drives Supported 60
Number of Hard Drives Installed 0
Number of Solid State Drive Supported 60
Number of Solid State Drive Installed 0
Management & Protocols
Protocols SNMP
SMB 1.0
SMB 2.0
SMB 3.0
I/O Expansions
Expansion Slot Type PCI Express 3.0 x8
PCI Express 3.0 x16
Number of Total Expansion Bays 60
Number of Total Expansion Slots 4
Number of 2.5"/3.5" Bays 60
Physical Characteristics
Weight (Approximate) 83.56 lb
Form Factor Rack-mountable
Rack Height 4U
Height 6.9"
Width 19"
Depth 40.2"
Processor & Chipset
Processor Speed 2.40 GHz
Processor Type Xeon Silver
Processor Model 4210R
Processor Core Deca-core (10 Core)
Processor Manufacturer Intel
Number of Processors Installed 2
Host Interface USB 3.2 (Gen 1) Type A
Number of Network (RJ-45) Ports 4
Network (RJ-45) Yes
Total Number of USB Ports 2
Drive Interface Serial Attached SCSI (SAS)
Serial ATA
Number of USB 3.2 Gen 1 Ports 2
General Information
Product Type SAN/NAS Storage System
Manufacturer Part Number HD6500
Manufacturer Website Address
Packaged Quantity 1
Manufacturer Synology, Inc
Product Model HD6500
Product Name High Density HD6500
Brand Name Synology