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High Density

HD6500

Enterprise-grade high density storage solution

HD6500

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.

Uncompromising performance

Throughput
Throughput
2x 10GbE LAN ports
Scalability
Scalability
Up to 300 drive bays with RX6025sas
CPU
CPU
10-core Intel Xeon Silver 4210R @ 2.4 (base) / 3.2 (turbo) GHz
Memory
Memory
64 GB DDR4 ECC RDIMM, expandable to 512 GB (32 GB x 16)

Consistent performance at five times the size

The HD6500 is designed to scale up to 5 times in capacity with four additionalRX6025sasexpansion units. SAS multipath-enabled connectivity provides up to double the typical performance together and increased redundancy.

Get more with DiskStation Manager

Take advantage of a host of native productivity, management, and security solutions available in the web-based Synology DSM operating system.

Synology has you covered

The HD6500 is backed by Synology's 5-year limited warranty,including technical support and hardware replacement services to maximize your return on investment and ensure continued high-quality performance.Learn more

Performance backed by Synology drives

Leverage high sustained performance and reliability with enterprise-grade drives with built-in data protection designed for Synology systems.

Powered by Synology DiskStation Manager

Enterprise-grade software solutions included

Central Management System

Conveniently manage your fleet of Synology NAS from a centralized console.

Security

Secure data with comprehensive built-in security tools to protect your devices against evolving threats.

Synology High Availability

Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.

(HD6500)

Technical Specifications

Complete hardware and software specifications

CPU

CPU Model Intel Xeon Silver 4210R
CPU Quantity 2
CPU Cores 10
CPU Threads 20
CPU Architecture 64-bit
CPU Frequency 2.4 (base) / 3.2 (turbo) GHz
Hardware Encryption Engine Yes

Memory

System Memory 64 GB DDR4 ECC RDIMM
Total Memory Slots 16
Maximum Memory Capacity 512 GB (32 GB x 16)
Notes Synology may revise pre-installed memory module specifications in response to component lifecycle and supply conditions. All revised components undergo the same rigorous validation to ensure equivalent compatibility, stability, and performance. Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion. For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.

Storage

Drive Bays 60
Maximum Drive Bays with Expansion Unit 300 (RX6025sas x 4)
SAS multipathing Yes
Drive Type(See all supported drives) 3.5" SAS HDD 2.5" SATA SSD
Hot Swappable Drive* Yes
Notes To install 2.5" SATA SSDs, optional 2.5" drive trays (R5) must be purchased separately. Learn more Two Synology SATA SSDs are included in the accessory pack for use as system drives. Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list . The use of non-validated components may limit certain functionality and result in data loss and system instability.

External Ports

RJ-45 1GbE LAN Port 2
RJ-45 10GbE LAN Port 2
Out-of-Band Management LAN Port 1
Max. Number of LAN Ports 15
USB 3.2 Gen 1 Port 2
Expansion Port 2
Expansion Port Type Mini-SAS HD
Notes Besides the 5 built-in LAN ports, up to 10 additional LAN ports can be made available by installing compatible network interface cards (sold separately).

PCIe

PCIe Expansion 2 x Gen3 x16 slot (x16 link) 2 x Gen3 x8 slots (x8 link)

Appearance

Form Factor (RU) 4U
Size (Height x Width x Depth) 176 mm x 482 mm x 1020 mm
Weight 37.9 kg
Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKS-03 )

Others

System Fan 80 mm x 80 mm x 4 pcs
Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode
Easy Replacement System Fan Yes
Power Recovery Yes
Noise Level* 60.8 dB(A)
Scheduled Power On / Off Yes
Wake on LAN / WAN Yes
Power Supply Unit / Adapter 1600 watts
Redundant Power Supply Yes
AC Input Power Voltage 200V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption 1025.2 watts (Access) 418 watts (HDD Hibernation)
British Thermal Unit 3495.93 BTU/hr (Access) 1425.38 BTU/hr (HDD Hibernation)
Notes Noise Level Testing Environment: Fully loaded with Synology HAS5300-8T hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% Power consumption is measured when it is fully loaded with Synology 8TB HAS5300-8T hard drive(s).

Temperature

Operating Temperature 0°C to 35°C (32°F to 95°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Operating Humidity 8% to 80% RH
Storage Humidity 5% to 95% RH

Certification

Certification FCC CE BSMI VCCI RCM UKCA EAC KC BIS UL

Warranty

Warranty 5 Years
Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

Environment

Environment RoHS Compliant

Packaging Content

Packaging Content Rail Kit Sliding: RKS-03 X 1 Synology SATA SSD X 2 Main Unit X 1 Accessory Pack X 1 AC Power Cord X 2 Quick Installation Guide X 1

Optional Accessories

Optional Accessories DDR4 ECC RDIMM: D4ER02-32G Expansion Units: RX6025sas Enterprise Series 3.5" SAS HDD: HAS5300 Series Enterprise Series 2.5" SATA SSD: SAT5200 Series 25GbE Network Interface Card: E25G30-F2 10GbE Network Interface Card: E10G30-F2 / E10G30-T2 / E10G30-T1
Notes For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations. To install 2.5" SATA SSDs, optional 2.5" drive trays (R5) must be purchased separately. Learn more

Storage Management

Maximum Single Volume Size 1 PB (for RAID 6 groups only) 200 TB
Maximum Internal Volume Number 256
SSD Read/Write Cache(Determining cache size) Yes
RAID Group Yes
Supported RAID Type Basic JBOD RAID 0 RAID 1 RAID 5 RAID 6 RAID 10
RAID Migration Basic to RAID 1 Basic to RAID 5 RAID 1 to RAID 5 RAID 5 to RAID 6
Volume Expansion with Larger HDDs RAID 1 RAID 5 RAID 6 RAID 10
Volume Expansion by Adding a HDD JBOD RAID 5 RAID 6
Global Hot Spare Supported RAID Type RAID 1 RAID 5 RAID 6 RAID 10
Notes Actual maximum storage pool and volume sizes depend on drive sizes used, the number of drive bays available, and the RAID configuration. Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored. SSD cache support requires DSM 7.1.1-42962 Update 4 or later versions. When Peta Volume is enabled, validated services and packages are required. Please refer to this article for more information on limitations.

File System

Internal Drives Btrfs
External Drives Btrfs ext4 ext3 FAT32 NTFS HFS+ exFAT

File Services

File Protocol SMB AFP NFS FTP WebDAV Rsync
Maximum Number of SMB Connections (FSCT-Based) 8,000
Windows Access Control List (ACL) Integration Yes
NFS Kerberos Authentication Yes
Notes Connection value of this model is tested with Synology SATA HDD fully populated and up to four 10GbE network ports Models with expandable memory are tested with the maximum supported quantity installed. SMB performance was evaluated using Microsoft File Server Capacity Tool (FSCT) version 1.3, with the following configuration: Test workload: HomeFolder scenario provided by the FSCT tool Test duration: 600 seconds Domain controller & FSCT controller: Windows Server 2022 FSCT clients: 8 × Windows 10 machines SMB feature: Directory leasing enabled

Account & Shared Folder

Maximum Local User Accounts 15,360
Maximum Local Groups 512
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 32

Hybrid Share

Hybrid Share Folder Number 30

Hyper Backup

Data & Folder Backup Yes
Entire System Backup Yes
Notes Full-system backup requires DSM 7.2 or later.

High Availability

Synology High Availability Yes

Log Center

Syslog Events per Second 6,000

Virtualization

VMware vSphere ESXi 8.0 U2, ESXi 8.0 U1, ESXi 8.0, ESXi 7.0 U3, ESXi 7.0 U2, ESXi 7.0 U1, ESXi 7.0
Microsoft Hyper-V Windows Server 2022, Windows Server 2019, Windows Server 2016
Citrix XenServer XenServer 8, Citrix Hypervisor 8.2 LTSR CU1
OpenStack Cinder

General Specifications

Supported Protocols SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, Fibre Channel, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers Chrome Firefox Edge Safari
Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文
Notes For an updated list of supported browser versions, check the DSM Technical Specifications .

Central Management System

Central Management System Yes

Synology AI Console

Third-Party AI Model Integration Yes
Maximum De-Identification Rate 10,000 words per second
Notes De-identification performance measurement: Filters for Credit Card Numbers, IBAN, Individual Taxpayer Identification Number, SSN, and Names applied to a 4,355-word English text. To enable de-identification, your device must have at least 8 GB of memory and Container Manager installed.

Synology Chat

Maximum Number of Users 500
Notes Measured with simulated users, each with an average record of 20,000 messages, emojis, or stickers. The required server response time is below ten seconds. Models with expandable memory are tested with the maximum supported quantity installed.

SAN Manager

Maximum iSCSI Target Number 256
Maximum LUN 512
LUN Clone/Snapshot, Windows ODX Yes

Synology MailPlus / MailPlus Server

Free Email Accounts 5 (Additional accounts require purchase of licenses)
Maximum Number of Users 21,000
Notes The suggested maximum number of users is based on the following workload: 20% of users with a 20,000 item mailbox randomly performing actions and receiving 240 emails per day, and 80% of users receiving 20 emails per day. Learn more Models with SSD support are tested with a single SSD volume. Models with expandable memory are tested with the maximum supported quantity installed. Learn more about memory requirements . Operating in high-availability mode will incur additional overhead. Features enabled during evaluation: anti-spam, anti-virus, DNSBL, greylist, content scanning, and full-text search (English).

Snapshot Replication

Maximum Snapshots per Shared Folder 1,024
Maximum Snapshots per LUN 256
Maximum Snapshots per System 65,536
Maximum Replication Tasks for Shared Folders 128
Maximum Replication Tasks for LUNs 64
Maximum Replication Tasks per System 128

Surveillance Station

Default Licenses 2 (Additional cameras require purchase of licenses)
Maximum IP Cameras and Total FPS (H.264) 1080p: 500 channels, 5000 FPS 3M: 450 channels, 4500 FPS 5M: 300 channels, 3000 FPS 4K: 220 channels, 2200 FPS
Maximum IP Cameras and Total FPS (H.265) 1080p: 600 channels, 16200 FPS 3M: 500 channels, 5000 FPS 5M: 450 channels, 4500 FPS 4K: 300 channels, 3000 FPS
Notes Surveillance Station 9.1.3 or above is required to support the maximum IP cameras and FPS figures listed. Use NVR Selector to quickly find a suitable model based on your requirements. The number of video channels that can be viewed simultaneously is double the maximum number of cameras for the same codec and resolution. Performance figures are obtained from testing conducted with the device fully populated with drives (5 volumes with 12 drives each volume) under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features, and the presence of additional workloads. Tested using RAID 6 configuration with the maximum number of supported SAS drives.

Synology Drive

Maximum Number of Users 18,000
Maximum Number of Hosted Files 100,000,000 (applies to files indexed or hosted by Synology Drive . For file access through other standard protocols, refer to the File Services section above)
Notes The suggested maximum number of users is based on the following workload: 20% of users randomly perform file operations (upload, download, move, and delete), and 80% of users are logged in but idle. Learn more Models with expandable memory are tested with the maximum supported quantity installed. Exceeding the recommended numbers above will not block application operations, but may result in longer response time. Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.

Synology Office

Maximum Number of Users 17,500
Notes The suggested maximum number of users is based on the following workload: 20% of users are executing random actions at an average of 30-second intervals, and 80% of users are logged in and viewing a file. Learn more Models with SSD support are tested with a single SSD volume. Models with expandable memory are tested with the maximum supported quantity installed. Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM

Virtual Machine Manager

Recommended Virtual Machine Instances 40 (Learn more)
Recommended Virtual DSM Number(Licenses required) 40 (including 1 Free License)
Notes The specifications vary depending on system configuration and memory size.

VPN Server

Maximum Connections 32
SKU HD6500
Barcode # 4711174724383
Brand SYNOLOGY
Shipping Weight 4.3800kg
Shipping Width 0.450m
Shipping Height 1.240m
Shipping Length 0.600m

Manufacturer Warranty : 5 Years Manufacturer Warranty

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Synology 60bay 4U Rackmount Server - Fast and Scalable 4U SAS Storage Server for Multi-Petabyte Applications

Model # HD6500

  • SKU: HD6500

$37,530.00
$43,999.00
SAVE $6,469.00 (15%)
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