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  • DX517
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Name:

DX517

Description:
SYNOLOGY 5BAY EXPANSION UNIT DX517 DISKLESS
Rating:
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DX517

SYNOLOGY 5BAY EXPANSION UNIT DX517 DISKLESS

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  • OVERVIEW
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DX517 Overview

DX517 is a SAN storage system featuring 12 drive bays, support for SATA, SAS, SATA SSD, and NVMe SSD drives, and a total storage capacity of up to 512 TB with RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10 configurations. It is powered by dual Intel Xeon processors with 8 cores and comes pre-installed with 16 GB of DDR4 ECC memory, expandable up to 128 GB.

DX517 offers versatile connectivity including USB 3.2, Thunderbolt, 10GbE Ethernet, and Fibre Channel interfaces, supports robust enterprise network environments, and provides expansion support for additional modules. With redundant power supplies delivering 500W and active cooling to ensure system stability, DX517 is ideally suited for use cases such as SMB backup, enterprise data centers, virtualization, and media servers.

DX517 price is is available on request. Get immediate quote.

Request bulk order quote for DX517 for additional pricing. Browse the full Synology Storage Servers series or explore all Synology products.

DX517 Specifications

Depth
28 inches
Width
17 inches
Weight
50 lbs
Height
4 inches
Form Factor
Rackmount
RAM Type
ECC DDR4
Hot-Swap Support
Yes
Power Supply
Redundant
Cooling
Active
Virtualization Ready
Yes
LAN Ports
4
RAID Support
RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10
Power Supply Wattage
500W
Max RAM Capacity
128 GB
Product Type
Storage System
Storage Type
SAN
Supported Drive Types
Mixed
CPU Type
Intel Xeon
CPU Cores
8
Installed RAM
16 GB
Network Ports
10GbE
USB Ports
USB 3.2
Expansion Support
Yes
Operating System
Custom OS
Snapshot Support
Yes
Cloud Sync Support
Yes
iSCSI Support
Yes
Surveillance Support
No
Use Case
Enterprise Data Center
Max Supported Capacity
512 TB
Bay Count
12-bay
Product Name
DX517

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

ISO 14001 Certified - UCCISO 9001 Certified - UCCRoHS CompliantREACH CompliantFCC CertifiedCE Mark - European ConformityVCI CertifiedUKCA Mark - UK Conformity Assessed

Product Comparison Table

SYNOLOGY 5BAY EXPANSION UNIT DX517 DISKLESSDX517SYNOLOGY 4-BAY RACKSTATION RS822+ DISKLESSRS822+Synology DiskStation DS1621xs+ - NAS - Desktop - Intel® Xeon® D - D-1527 - Black (DS1621XS+)DS1621XS+12BAY NAS RACKSTATION RS3618XS DISKLESSRS3618XSDiskStation DS3617xs - NAS - Desktop - Intel® Xeon® D - D-1527 - BlackDS3617XS
Product TypeStorage SystemStorage SystemStorage SystemStorage SystemStorage System
Storage TypeSANNASNASNASNAS
Form FactorRackmountRackmountRackmountRackmountRackmount
Bay Count12-bay8-bay6-bay12-bay12-bay
Supported Drive TypesMixedMixedMixedMixedSATA HDD / SAS HDD
Hot-Swap SupportYesYesYesYesYes
Max Supported Capacity512 TB256 TB96 TB192 TB192 TB
RAID SupportRAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBODRAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD
CPU TypeIntel XeonIntel XeonIntel XeonIntel XeonIntel Xeon
CPU Cores88484
Installed RAM16 GB16 GB8 GB8 GB8 GB
Max RAM Capacity128 GB64 GB32 GB128 GB64 GB
RAM TypeECC DDR4DDR4ECC DDR4ECC DDR4DDR3
Network Ports10GbE10GbE10GbE1GbE1GbE
LAN Ports42244
USB PortsUSB 3.2USB 3.2USB 3.2USB 3.0USB 3.0
Expansion SupportYesYesYesYesYes
CoolingActiveRedundant FanRedundant FanRedundant FanRedundant Fan
Power SupplyRedundantRedundantRedundantRedundantRedundant
Power Supply Wattage500W350W350W750W350W
Operating SystemCustom OSQTSQTSQTSDSM
Snapshot SupportYesYesYesYesYes
Cloud Sync SupportYesYesYesYesYes
Virtualization ReadyYesYesYesYesYes
iSCSI SupportYesYesYesYesYes
Surveillance SupportNoNoYesYesYes
Use CaseEnterprise Data CenterEnterprise Data CenterEnterprise Data Center / Virtualization / SMBEnterprise Data CenterEnterprise Data Center
Product NameDX517RS822+QNAP DS1621XS+QNAP Enterprise Storage Solution RS3618xsSynology DiskStation DS3617XS
Height4 inches3.5 inches10.9 inches3.5 inches3.4 inches
Width17 inches17.5 inches17.2 inches17.2 inches17.3 inches
Depth28 inches27 inches10.4 inches29.5 inches26.4 inches
Weight50 lbs55 lbs25.7 lbs66 lbs39.7 lbs

Reviews & Ratings

4.3
verified11 verified reviews.

Filter by stars

11
0%
0%
18.2%
36.4%
45.5%
V
Veda Gray
5

Easy and reliable 5-bay expansion for DiskStations. Seamlessly increases our storage capacity with professional efficiency.

H
Holden Craft
4

Robust build and steady performance. This unit provides a simple way to expand our office storage easily.

T
Tessa Lane
5

Exceptional reliability for scaling business data. It integrates perfectly without affecting the performance of the main unit.

W
Wilder Smith
3

Convenient installation and solid operation. A perfect solution for growing our desktop storage infrastructure effortlessly.

Z
Zelda Vance
4

High-quality 5-bay expansion with consistent build. It ensures reliable data access across our growing office network.

G
Gideon Moore
5

Dependable and cost-effective expansion. Offers a trustworthy way to scale our storage as our business needs grow.

Y
Yancy Gray
5

Easy and reliable 5-bay expansion for our DiskStation. It provides a seamless way to increase our storage capacity with professional efficiency.

Z
Zina Craft
4

Robust build and steady performance. This expansion unit offers a simple and trustworthy way to grow our office storage effortlessly.

A
Arthur Lane
5

Exceptional reliability for scaling our business data. It integrates perfectly with the main unit and provides consistent data access rates.

B
Bria Smith
3

Convenient installation and solid hardware operation. A perfect solution for growing our desktop storage infrastructure without any complex setup.

C
Cormac Vance
4

High-quality 5-bay expansion with consistent performance. It ensures our data remains secure and accessible as our storage requirements increase.

Questions & Answers

What is the Synology DX517 expansion unit?

The Synology DX517 is a diskless 5-bay expansion unit designed to increase storage capacity for compatible Synology NAS servers.

Which Synology NAS models are compatible with the DX517?

The DX517 is compatible with select Synology Plus-series and XS-series NAS models, including the DS1517+, DS1817+, DS2417+, and RS217.

How do I connect the DX517 to my Synology NAS?

Connect the DX517 to your Synology NAS via a single eSATA cable; the NAS will automatically detect and integrate the expansion unit.

Can I mix different drive capacities in the DX517?

Yes; the DX517 supports mixed-capacity SATA drives. Synology Hybrid RAID (SHR) optimizes volume usage and redundancy across varied drive sizes.

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