Synology DiskStation DS1817+ 8-Bay NAS Enclosure

Synology DiskStation DS1817+ 8-Bay NAS Enclosure

Synology DiskStation DS1817+ 8-Bay NAS Enclosure

B&H # SYDS1817P8GB MFR # DS1817+ (8GB)
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Product Highlights

  • 8 x 3.5"/2.5" SATA Drive Bays
  • 2.4 GHz Intel Atom C2538 Quad-Core
  • 8GB of DDR3 RAM
  • 4 x Gigabit Ethernet Ports
  • 4 x USB 3.0 Ports & 2 x eSATA Ports
  • RAID 0, 1, 5, 6, 10, and JBOD
  • Up to 1179 MB/s Sequential Reads
  • AES-NI Hardware Encryption Engine
  • 1 x PCIe 2.0 x8 Expansion Slot
  • Synology DiskStation Manager (DSM) OS
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Synology DS1817+ overview

  • 1Description

The DiskStation DS1817+ 8-Bay NAS Enclosure from Synology is optimized for encryption and intensive tasks. It comes equipped with eight drive bays that are capable of natively supporting 3.5" and 2.5" SATA hard drives, as well as 2.5" SATA SSDs. Using its eight drive bays, this NAS will allow you to store and share a large number of files, including videos, music, photos, and documents with up to 2048 users. For those who wish to increase the overall capacity of their DS1817+, it can be paired with two DX517 expansion units.

The DS1817+ runs on Synology DiskStation Manager (DSM) OS, which is a browser-based operating system which helps to simplify managing your Synology NAS. Its CPU is an Intel Atom C2538 Quad-Core that runs at 2.4 GHz and its 8GB of DDR3 RAM allows frequently-used files and applications to be quickly accessed. The NAS is capable of achieving sequential read speeds of up to 1179 MB/s and features four USB 3.0 Type-A ports and two eSATA ports which allow it to be connected to your system. Internet connectivity is achieved via the included four Gigabit Ethernet ports, each of which features link aggregation and failover support, allowing your stored data to be shared with users throughout the network.

For those who require RAID support, the DS1817+ supports RAID 0, 1, 5, 6, and 10, as well Synology Hybrid RAID and Basic RAID, each of which offers performance, data redundancy, or a combination of both. For those who do not require a RAID, JBOD is also available, allowing each drive bay to be individually utilized. For system expansion, the RAM may be upgraded to 16GB using two 8GB modules, and a PCIe 2.0 x8 slot supports either a dual M.2 SSD adapter card or a 10GbE NIC.

The DiskStation DS1817+ operates on 100-240 VAC at 50/60 Hz and includes an accessory pack, an AC power cord, and two Ethernet cables. It is certified with Windows Server 2012 and Server 2012 R2, in addition to being WMware and Citrix-ready, and OpenStack-compatible.

General Features

Supercharged with Speedy Performance

Equipped with dual-channel memory and a PCIe 2.0 x8 slot, the DS1517+ supports installing a dual M.2 SSD adapter card, the M2D17, or the 10GbE NIC, for high-IOPS system cache and fast data transmission, respectively.
Dual M.2 SATA SSD slot, compatible with 2280/2260/2242 form factors.
Dual-channel memory boosts performance.

Effective Data Protection

The Btrfs file system introduces an advanced storage technology to help prevent data corruption and reduce maintenance overhead with optimized snapshots. It ensures high-level data integrity, while taking advantage of flexible, efficient data protection, and recovery tools.
Flexible Shared Folder / User Quota System
This provides comprehensive quota control on user accounts and shared folders.
Snapshot Replication
Snapshot Replication provides schedulable and storage capacity-saving data protection with 1024 shared folder backups and 65,000 system-wide snapshots.
File- or Folder-Level Data Restoration
File- or folder-level data restoration accelerates data recovery and provides flexibility
Automatic File Self-Healing
Automatic file self-healing detects and recovers corrupted files without user intervention.

File Management and Sharing

File Station
The web-based File Station is a user-friendly management tool built to allow intuitive, drag-and-drop operation on your Mac or PC. The advanced search and filtering tools enable easy organization and sharing that entails just a link. Compatible with SMB, FTP, AFP, NFS, and WebDAV, File Station suits all environments.

Real-Time Collaboration on Your Private Cloud

Office is a collaboration package combining the convenience and usability of public clouds with the data privacy and security guaranteed by private clouds. It allows you to work seamlessly together on documents and spreadsheets in a protected environment.

Fully Certified Storage Virtualization Solutions

iSCSI Storage
Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with an easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.


Surveillance Station
Complete home surveillance solution for recording and monitoring.
Desktop Backup
Simplified backup solution for your Mac, PC, and mobile devices.
Hyper Backup
Block-level incremental data backup in multiple versions and cross-version deduplication.
Operating system with an intuitive user interface and powerful capabilities.
Comprehensive built-in security utilities constantly updated to tackle evolving threats and protect your devices.
All-in-One Server
A server that saves you additional investment by integrating various networks, web/mail services, plus management applications into your business system.
UPC: 846504002764
In the Box
Synology DiskStation DS1817+ 8-Bay NAS Enclosure
  • 1 x Accessory Pack
  • 1 x AC Power Cord
  • 2 x RJ45 LAN Cables
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    Synology DS1817+ specs

    CPU Model 2.4 GHz Intel Atom C2538 Quad-Core (64-bit)
    Hardware Encryption Engine (AES-NI) Yes
    System Memory 8 GB DDR3
    Memory Module Pre-Installed 2 x 4 GB
    Total Memory Slots 2
    Memory Expandable up to 16 GB (2 x 8 GB)
    Drive Bays 8
    Compatible Drive Types 3.5" SATA HDD
    2.5" SATA HDD
    2.5" SATA SSD
    Maximum Single Volume Size 108 TB
    Hot Swappable Drives Yes
    External Ports
    RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
    USB 3.0 Ports 4
    eSATA Ports 2
    PCIe Expansion 1 x Gen2 x8 slot (x4 link)
    File System
    Internal Drives Btrfs
    External Drives Btrfs
    exFAT (access sold separately)
    System Fan 120 x 120 mm x 2 pieces
    Noise Level 22.2 dBA
    Fan Speed Mode Cool Mode
    Quiet Mode
    Power Supply Unit / Adapter 250 W
    AC Input Power Voltage 100 to 240 VAC
    Power Frequency 50/60 Hz, Single Phase
    Power Consumption Access: 61.5 W
    HDD Hibernation: 31.6 W
    Operating Temperature 40 to 104°F / 4 to 40°C
    Storage Temperature -5 to 140°F / -21 to 60°C
    Relative Humidity 5 to 95% RH
    Certifications FCC Class B
    CE Class B
    BSMI Class B
    DSM Specifications
    Networking Protocols CIFS
    VPN (PPTP, OpenVPN)
    Windows AD Domain Integration Domain Users login via Samba/AFP/FTP/File Station
    HDD Management HDD Hibernation
    Dynamic Bad Sector Mapping
    Security FTP over SSL/TLS
    IP Auto-Block
    Encrypted Network Backup over Rsync
    HTTPS Connection
    Utilities Synology Assistant
    Supported Clients Windows 7 or above
    Mac OS X 10.10 or above
    Supported Browsers Chrome
    Internet Explorer 9 or later
    Safari 8 or later
    Safari (iOS 7.0 or later on iPad)
    Chrome (Android 4.0 on tablets)
    Supported Languages English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, 日本語, 한국어, 繁體中文, 简体中文
    Storage Management
    Maximum Internal Volume Number 512
    Maximum iSCSI Target Number 32
    Maximum iSCSI LUN 256
    iSCSI LUN Clone/Snapshot, Windows ODX Yes
    Supported RAID Type Synology Hybrid RAID
    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 Synology Hybrid RAID
    RAID 1
    RAID 5
    RAID 6
    Volume Expansion by Adding a HDD Synology Hybrid RAID
    RAID 5
    RAID 6
    Global Hot Spare Supported RAID Type Synology Hybrid RAID
    RAID 1
    RAID 5
    RAID 6
    RAID 10
    SSD Supportccrfdcyuvtctdtaartzxycxvce
    SSD Read/Write Cache Yes
    SSD TRIM Yes
    File Sharing Capacity
    Maximum Local User Accounts 2048
    Maximum Local Groups 256
    Maximum Shared Folders 512
    Maximum Shared Folder Sync Tasks 8
    Maximum Concurrent CIFS/AFP/FTP Connections 2048
    Windows Access Control List (ACL) Integration Yes
    NFS Kerberos Authentication Yes
    High Availability Manager Yes
    Log Center
    Syslog Events per Second 800
    VMware vSphere 6 with VAAI Yes
    Windows Server 2012 Yes
    Windows Server 2012 R2 Yes
    Citrix Ready Yes
    OpenStack Yes
    Dimensions & Weight
    Dimensions 6.50 x 13.5 x 9.60" / 166 x 343 x 243 mm
    Weight 13.2 lb / 6.0 kg
    Packaging Info
    Package Weight 17.35 lb
    Box Dimensions (LxWxH) 17.6 x 14.0 x 11.5"

    Synology DS1817+ reviews

    DiskStation DS1817+ 8-Bay NAS Enclosure is rated 3.0 out of 5 by 7.
    Rated 1 out of 5 by from Beware of failures! My DS1815+ went dead on me a few weeks ago. Only option Synology would discuss is "refurbished replacement." It finally arrived today. Scratches all over the unit. My original DS1815+ looked as fresh as the date it arrived in 2015 when I sent it to them. . The "replacement" has cosmetic and structural defects. Tried to install memory module but the cover must be bent as I could not re-close it. It is going back to Synology. Cannot get my data off the HDD installed in the unit. Terrible warranty service. Once you buy one of their products, they do not seem to care anymore and your data will be held in limbo. Beware!
    Date published: 2018-04-04
    Rated 5 out of 5 by from I'm thrilled with this NAS The junky 4 drive WD Sharespace I had been waiting for to fail finally happened! Luckily the 1817+ had just arrived on the market. I purchased the bare unit with no drives and was hoping that my various WD drives would work in the unit... If not I'd purchase compatible drives. As it turns out the drive compatibility list is not an exclusionary list... none of my drives are listed on the known compatible drives, but they worked. I dropped in (2) 4TB Reds (4MB cache), (1) 1TB Black (8MB cache), and (5) 1TB Greens (4MB cache). I am fully aware that this is a mish-mash of drives that will affect performance of the unit and slow down parity checks to a crawl, but for my purposes and finances it was better to plan to add larger uniform model drives as the ones I installed fail (especially the Greens...). I'm not a network or computer professional and I found the setup of the device very straightforward. I had the Synology drive manager setup a hybrid RAID rather than specify myself so I can't speak as to the simplicity of managing your own RAID setup. Once the first 3 drives were installed creating volumes and folder access permissions etc was also very straightforward. I added the (5) Greens from the WD Sharespace after the initial setup of the first 3 drives... One was added to the first volume and the remaining 4 were assigned to a new volume. The parity check took several hours when I added the 1TB Green to the existing 3 drives, but this is a home device for me, not a business device with many users so the parity check was of no consequence to me... I am setting up to use the surveillance application, currently trying to figure out what cameras to buy, resolution, quality, etc... I haven't had a chance to try out the DLNA functionality yet... I will update review as I get more functionality tested, but I like the device very much. If you're just going to use it for file storage on the network, I know it'll likely do the job for you.
    Date published: 2017-05-25
    Rated 5 out of 5 by from Performance extremely good for GE interfaces I use this as a backup to another 8 bay Synology NAS, and in initially setting this up, I connected to a switch using 2 separate GE pairs, each on a separate subnet. When copying from a raid 0 desktop over 10G switching to each port separately, I averaged 2.6GE throughput in write to raid 5 configuration. Did not test read speed but shold be fast. I would need 10G tests to see if I can get higher data rates, but works perfectly fine out of the box, no problems. Same good interface from vendor. Jim
    Date published: 2017-06-07
    Rated 2 out of 5 by from Decent hardware + Poor Software + Poor Support = Terrible I would only suggest this product for experienced home users, who can live with some downtime. On the plus side, I have never lost data from a Synology NAS. That's the only plus I can think of. I gave this two stars instead of one, just because the quality of the hardware is actually pretty good. Synology just ruined it with the software and support.� If you need AD integration, DO NOT use this product. Yes, it has the ability to connect to AD, but in reality, the connection drops at least every two weeks, requiring reconfiguration. After the disconnect, no AD users will be able to authenticate to NAS services be it File Shares, Radius clients, or web/e-mail services. The RADIUS service is very immature permitting only USER access, and not supporting any form of device authentication, making it pretty useless.� Setting permissions on file shares/folders through the web interface is a bit tedious, unless you're happy with the basic read/write. If you need any form of custom permissions (i.e. write sub-files/folders only) you'll likely find it a pain.� SLOW... I have a Windows File Server and a large media share on an OS X server, (which we intended to migrate to the Synology), but just navigating the file structure on the Synology NAS proved so slow we could not move the data. It would take upwards of 30 seconds just to get the next level of folders to open. (Users would be spending 1-3 minutes just to get to a directory they needed a file from.) Now on to support... as mentioned in other reviews, the technical support is horrendous. It's purely e-mail based. Getting any type of phone support is extremely difficult, and is really no better. Every time I contact technical support for an issue (which is pretty much monthly for the past two years), I get scripted responses copied from KB articles I've already looked at online. (They don't have many helpful KB articles online either.) If more extensive troubleshooting is needed (anything a KB article won't fix, then the go to is they want unrestricted root level remote access to the NAS. Which means your NAS must have remote access from the internet and you're granting someone who knows as much as the KB articles tell them, root level access to your system, and all of your data. (I suppose I just don't trust people that much.) If you have or can use a Windows Server for file shares, I would highly recommend sticking with that option.� Bottom line, this is NOT a system suitable for most businesses, and in the end, even for home users it's probably going to be more of a headache than it's worth.� If you need a cheap solution/compact, buy a Mac Mini, plug in an external HDD enclosure that supports RAID, and use that as a share. Cost wise you'll likely come out about even, but you'll have a better product and much better support.� For those of you thinking of looking at QNAP now, I'll caution you there. The software on both is fundamentally the same, and the support from QNAP is even worse. (If that's possible) Also keep in mind, this thing is NOT CHEAP. You're going to pay nearly $1000 for a diskless system, then drop about 250 -400 per disk. That's $3000 on the low end. (+ if you need a memory upgrade, + if you need PCI expansion card, + if you need SSD or larger capacity HDD's)
    Date published: 2018-03-29
    Rated 1 out of 5 by from horrible customer service This has to be probably the worst product you can buy as a NOT TECHNICAL CREATIVE... WHOS MAIN BUSINESS IS PRODUCTION AND NOT NETWORKING.� Synology does not care to help its customers over the phone, despite having a support number, the support staff are very laxidasical and only refer you to their support base articles online. Their turn around of tickets is a horrific 3-5 business days. Setting up the nas or any of its applications that you may want to use takes DAYS and if you having an issue what may seem basic enough that you should be able to use their support number to get a quick guided fix, IT TAKES DAYS...� Seriously, at this point, I think its such a bad buy that I would only recommend this to my enemies in the business. I DONT EVEN WANT TO IMAGINE WHAT WOULD HAPPEN IF YOUR DATA GET CORRUPTED AND YOU NEED A QUICK FIX TO SAVE A CLIENT.... THIS MACHINE AND ANYTHING ELSE FROM SYNOLOGY IS SCARY TO BUY AFTER HAVING IT FOR THE PAST YEAR.
    Date published: 2018-01-24
    Rated 3 out of 5 by from raid6, but no zfs Set up raid6 and btrfs after having trouble using just btrfs.� Media serving (setup according to documentation) does not work as expected.� NFS without security easy to setup.
    Date published: 2017-11-20
    Rated 4 out of 5 by from Great product and value;-Some things don't work as advertise This is my first Synology NAS purchase for work. I have used a 2-bay unit at home for about 6 years now and love it. I bought this to create a target repository for my daily and archival server backups using VEEAM. The NAS is working in iScsi mode and is performing quite admirably. I highly recommend getting the 8 GB RAM version. This model also has a quad core CPU and it makes my personal 2 bay seem 20 years old in speed and performance comparison. My one issue with it is the option to add in a pci-e card holding up to 2 solid state M.2 drives to be used as dedicated high IOPS system cache. I purchased 2 of these N.2 drives from the compatible brand/model list and of course, the optional PCI-E card. Well the NAS could see the drives, but whenever I tried to create the cache pool the system would lock up and would require a hard boot to recover. I checked the user forums and contacted support but never got a resolution. So my advise to anyone looking for a quality Synology NAS is to ignore the cool option for dedicated cache drives and stick to the core features that make up a good unit. It still has the legendary Synology interface and is quick and reliable. It simply does not do everything it advertises. I probably could have save a few hundred and bought a model just as good, but without the cache drive option.
    Date published: 2017-09-20
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