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Synology 8 bay NAS DiskStation DS1817+ (8GB) (Diskless)

4.1 out of 5 stars 51 ratings
Brand Synology
Size 8 - bay
Compatible Devices Desktop
Item Weight 13.2 Pounds
Assembly Required No

About this item

  • Quad-core 8-bay NAS with AES-NI support, with over 1,179 MB/s reading and 542 MB/s writing performance
  • Pie slot for optional 10GbE add-on card. Four 1GbE (RJ-45) ports with failover and Link Aggregation support
  • Optional M2D17 adapter card for dual M.2 SATA SSDs for cache;Power Consumption :61.5 W
  • 8GB with easily upgradable dual channel design, up to 16GB. Operating Temperature is 5 degree Celsius to 40 degree Celsius
  • Scale up to 18 drives with two DX517 expansion units
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Top Brand: Synology

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What's in the box

  • DS1817+ main unit x 1
  • Quick Installation Guide x 1
  • Accessory pack x 1
  • AC power cord x 1
  • RJ-45 LAN cable x 2

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    Synology 5bay Expansion Unit DX517 (Diskless) 157 mm x 248 mm x 233 mm
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    Price—$189.99$449.99$499.99$469.99
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    Customer Ratings
    4.14.1 out of 5 stars51
    4.34.3 out of 5 stars1,201
    4.44.4 out of 5 stars108
    4.64.6 out of 5 stars2,136
    4.84.8 out of 5 stars516
    Sold By
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    Product Description

    Synology DiskStation DS1817+ features a quad-core processor with AES-NI hardware encryption engine, providing outstanding performance even with encryption. Supercharge your storage with the optional M.2 SSD adapter card for dual SSD cache drives. DS1817+ is the ideal storage solution for centralizing data backups, protecting critical assets, and sharing files across different platforms. Synology DS1817+ is backed with Synology's 3-year limited warranty.

    From the manufacturer

    Big, scalable storage for all your data

    DiskStation offers massive storage capacity for storing and protecting all your files and important data. As your storage needs grow, you can easily scale up capacity by adding additional storage expansion units.

    Powerful performance for intense workloads

    Tailor performance to your needs with the upgradable memory or take advantage of the PCIe slot to install a 10GbE network card for blazing data transmission or an M.2 SSD adapter card for high IOPS caching.

    • Quad-core 2.4GHz CPU
    • 8GB DDR3 RAM, expandable up to 16GB
    • Up to 1,179 MB/s sequential reading
    • PCIe slot for optional 10GbE or M.2 SSD adapter
    • Up to 18 drives with two DX517 expansion units (sold separately)

    File sharing and syncing

    With comprehensive support for all major file sharing protocols — like CIFS, AFP, NFS, FTP and more — DiskStation lets you centralize files in one place and access them using any device. Take files on the road or easily share them with other people, thanks to Synology's easy file sharing and syncing software.

    Bulletproof data backup

    Ensure data remains safe by backing up your computers, servers, and virtual machines to DiskStation, and defend yourself from human-error or ransomware with the multi-version backup. Finally, avoid disaster with the ability to easily back up DiskStation to an offsite location or to any major cloud service.

    Virtualization ready

    With support for VMware, Citrix, and Microsoft Hyper-V, DiskStation serves as a seamless storage solution for virtualization environments. Additionally, Synology’s Virtual Machine Manager also lets you set up and run various virtual machines directly on DiskStation, including Windows, Linux, and Virtual DSM.

    Smart video surveillance

    Make your own video surveillance hub. Surveillance Station helps you protect your home or business by offering the ability to manage multiple network cameras, check live camera feeds from anywhere with the mobile app, catch suspicious incidents quickly with intelligent alerts, and easily find relevant recordings.

    DS1517+
    DS1618+
    DS1817+
    DS2415+
    Buying Options
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    Customer Reviews
    3.6 out of 5 stars 30
    4.6 out of 5 stars 234
    4.0 out of 5 stars 59
    4.1 out of 5 stars 37
    Drive Bays 5 6 8 12
    Maximum Internal Raw Capacity 60 TB (12 TB HDD x 5) (Capacity may vary by RAID types) 72 TB (12 TB HDD x 6) (Capacity may vary by RAID types) 96 TB (12 TB HDD x 8) (Capacity may vary by RAID types) 144 TB (12 TB HDD x 12) (Capacity may vary by RAID types)
    Maximum Drive Bays with Expansion Unit 15 16 18 24
    Maximum Raw Capacity with Expansion Units 180 TB (12 TB HDD x 15) (Capacity may vary by RAID types) 192 TB (12 TB HDD x 16) (Capacity may vary by RAID types) 216 TB (12 TB HDD x 18) (Capacity may vary by RAID types) 288 TB (12 TB HDD x 24) (Capacity may vary by RAID types)
    Hot Swappable Drive ✓ ✓ ✓ ✓
    CPU Quad Core 2.4 GHz Quad Core 2.1 GHz Quad Core 2.4 GHz Quad Core 2.4 GHz
    Hardware Encryption Engine (AES-NI) ✓ ✓ ✓ ✓
    1GbE LAN Ports 4 (with Link Aggregation / Failover support) 4 (with Link Aggregation / Failover support) 4 (with Link Aggregation / Failover support) 4 (with Link Aggregation / Failover support)
    PCIe slot for 10GbE NIC or M.2 SSD cache adapter ✓ ✓ ✓ - no data
    Memory 2GB/8GB, expandable up to 16GB 4GB, expandable up to 32GB 2GB/8GB, expandable up to 16GB 2GB, expandable up to 6GB

    Product guides and documents

    User Guide (PDF)
    User Manual (PDF)

    Product information

    Technical Details

    Collapse all
    Summary
    RAM ‎8 GB
    Memory Speed ‎1600 MHz
    Hard Drive ‎8 GB solid state
    Number of USB 3.0 Ports ‎4
    Other Technical Details
    Brand ‎Synology
    Series ‎DS1817+ (8GB)
    Item model number ‎DS1817+ (8GB)
    Item Weight ‎13.23 pounds
    Product Dimensions ‎13.5 x 9.57 x 6.54 inches
    Item Dimensions LxWxH ‎13.5 x 9.57 x 6.54 inches
    Number of Processors ‎4
    Computer Memory Type ‎DDR3 SDRAM
    Manufacturer ‎Synology America Corp
    ASIN ‎B06Y4TJL54
    Is Discontinued By Manufacturer ‎No
    Date First Available ‎April 13, 2017

    Additional Information

    Customer Reviews
    4.1 out of 5 stars 51 ratings

    4.1 out of 5 stars

    Warranty & Support

    Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
    Product Warranty: For warranty information about this product, please click here. [PDF ]

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    Customer reviews

    4.1 out of 5 stars
    51 global ratings

    Review this product

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    Customers say

    Customers find the NAS system easy to set up and appreciate its functionality, with one mentioning it works well with both Mac and Windows. The device receives positive feedback for its speed, with one customer noting outstanding photo editing and retrieval performance. They like its memory capacity, with one highlighting its effectiveness for picture storage, and another praising its balance of power.

    AI-generated from the text of customer reviews

    Select to learn more

    12 customers mention "Look"12 positive0 negative

    Customers like the appearance of the NAS system, with one customer noting its reliability and another mentioning that their RAID array rebuilt itself perfectly.

    "...network knowledge and everything was so easy to setup and the system maintains itself." Read more

    "I’ve has this NAS for over a year now. It still runs strong and Synology is always keeping up with patches (security and operational) as well as..." Read more

    "...Love the features and the frequent updates. The raid array rebuilt itself perfectly after disk crash...." Read more

    "...LAST POINT - A VERY GOOD PRODUCT (With a few minor [workable] negatives 🤔)...." Read more

    8 customers mention "Ease of setup"8 positive0 negative

    Customers find the NAS system easy to set up, with one mentioning that the upgrade process was very simple.

    "...need to add that I have no network knowledge and everything was so easy to setup and the system maintains itself." Read more

    "...Lots of features and easy to use. Works well in Windows, Mac, and Linux environments...." Read more

    "Great unit. Simple to set up and use. Went with WD Red Pro drives for it. Easily synced/backed up Google Drive and Dropbox files...." Read more

    "...The experience with this has been a dream. Everything easy-peasy, and working great with no issues. So glad I took the plunge...." Read more

    7 customers mention "Functionality"7 positive0 negative

    Customers report that the NAS system works great with no issues, and one customer mentions it plays nicely with both Mac and Windows devices.

    "...Lots of features and easy to use. Works well in Windows, Mac, and Linux environments...." Read more

    "...Easily synced/backed up Google Drive and Dropbox files. Plays nicely with both Mac and Windows...." Read more

    "...Everything easy-peasy, and working great with no issues. So glad I took the plunge...." Read more

    "...I didn't lose any of my data and all of my Docker containers are still working perfectly...." Read more

    4 customers mention "Power"4 positive0 negative

    Customers find the NAS device powerful and efficient.

    "...programs that come with this unit that make file handling quick and efficient...." Read more

    "Perfect balance of power and precision." Read more

    "Easy & powerful..." Read more

    "Fantastic Device..." Read more

    3 customers mention "Memory capacity"3 positive0 negative

    Customers appreciate the NAS device's memory capacity, with one mentioning it's better than iTunes for file organization and another noting it's excellent for storing pictures.

    "...Love the free Plex media server: it's much better than iTunes to catalogue files and network to AV equipment..." Read more

    "...as the DS1815+ except a new mother board design making it easier to access memory (from the bottom now)...." Read more

    "Excellent device to store your pictures and manage it but the support and training for the software is literally does not exist...." Read more

    3 customers mention "Speed"3 positive0 negative

    Customers appreciate the NAS system's speed, with one customer noting outstanding performance for photo editing and retrieval, while another mentions smooth operation.

    "...Synology has several programs that come with this unit that make file handling quick and efficient...." Read more

    "...was, and the data transfer (so far, about 70% complete) is going very smoothly (THANK GOD!!!😜🎉👍🏼)..." Read more

    "...It got the 4 8TB drives up and running FAST, couple hours over day+ for the 815+ and 4 4TB drives...." Read more

    Top reviews from the United States

    • Reviewer# 10213
      5.0 out of 5 stars I highly recommend the Synology DS 1817+
      Reviewed in the United States on January 13, 2018
      Verified Purchase
      This unit is amazing. I added additional RAM and the Synology MD 217 adaptor with 500 Gb SSD when I purchased this unit. Everything is attached to my home network and I am very pleased with the outcome. I have an older Synology that I use for backup along with offsite backup. I am a photographer and have 100,000 + pictures and all my other files on this unit and my storage needs are taken care of now and into the future. I use Adobe Photoshop and Lightroom and photo editing and retrieval speed is outstanding. Synology has several programs that come with this unit that make file handling quick and efficient. My favorite is a program called photo station that enables the viewing of photographs on our IPads and IPhones via wireless. We can also upload photographs taken on the Iphone quickly and easily. I would definitely buy this unit again and I highly recommend it. I need to add that I have no network knowledge and everything was so easy to setup and the system maintains itself.
      4 people found this helpful
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    • MadMax
      5.0 out of 5 stars Synology NAS DS1817+ with optional M.2 SSD Card
      Reviewed in the United States on November 26, 2018
      Verified Purchase
      I’ve has this NAS for over a year now. It still runs strong and Synology is always keeping up with patches (security and operational) as well as adding features. Over time I moved the update setting to just automatically update itself. It's rare that a patch would require a reboot so the system stays on for months at a time. One of the few times I had to take the system offline (shutdown, reboot, erc) was to add an optional M.2 SSD interface card with two (2), 256GB drives. The other outage was during an extended power service disruption and my UPS was running low.

      Lots of features and easy to use. Works well in Windows, Mac, and Linux environments. I joined mine to a domain but I have a few local users for scripts and 3rd party users who I don't want to risk giving access to other groups such as domain users.
      One person found this helpful
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    • Martha
      2.0 out of 5 stars Great software. Poor mechanical design
      Reviewed in the United States on August 24, 2021
      Verified Purchase
      The software is great. Love the features and the frequent updates. The raid array rebuilt itself perfectly after disk crash.

      Very Poor mechanical disk tray design: I have had to buy 8 new replacement trays as the plastic tray latch mechanisms won’t latch closed. (I have read other similar complaints.). No dust filter like my other NAS!: The tray fronts and disks collect lots of dust as it does not have a dust filter designed into it as an integral part of the product.
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    • John The Baptist 2000
      4.0 out of 5 stars BOTH a “Dream” 😂👍🏼 AND a “Nightmare”😳😰 - BOTH at the SAME time!!!
      Reviewed in the United States on September 23, 2018
      Verified Purchase
      I FINALLY made the LEAP 😂.

      For YEARS, I’ve looked at both the Synology & the QNAP, and after a recent “disaster” I decided to buy this product (a few YouTube videos/reviews also helped as well).

      Let me go though my [usual] review, where I list The Good, The Bad, and The Ugly of my experiences (and, of this product).

      My disaster came with a huge thud, when my beloved Drobo 5D started giving me WEIRD drive errors, where my digital “life” came into peril. This was not the usual “red light/green light” error (as the Drobo Dashboard would usually confer) — No, no, instead, it kept giving me strange symptoms where it wouldn’t mount, and the usual Disk Utility wouldn’t find (or fix) disk errors (and even the vaunted Disk Warrior could not fix this degrading condition). And Drobo Tech Support, as many Drobo owners will attest, wouldn’t give a DAMN, if you’re over a year owner.

      So, after much reading and review videos I went with this DS1817+.

      Pre-sales emails went pretty good (Lars C was GREAT!), but "direct" (phone calls, via a person) was absolutely ATROCIOUS!! — it seems like the many millennial Young Men at the Synology company are absolute IDIOTS to there own products!!

      Here is an example:
      One ☝️ of my questions was, “Can you connect a drive to the DS1817+ via USB3, with the Apple format (HFS+) for data transfer?” — the answer? — Absolutely NOT!!😲

      And yet, after a little simple research, I did indeed find info, that you should indeed be able to connect a HFS+ formatted drive to the USB back ports (I mean, how in the HECK does one believe you can transfer your data, if it doesn’t allow standard formats to connect to this NAS?!?)

      Manufacturers Note/Suggestion - Synology Corporate: PLEASE consider hiring some Apple Customer Service Managers. Apple is KNOWN for [mostly] superior customer service. And MANY post [here] complain [rightly] about this one thing (and blemish) you guys have. A good Customer & Tech Services Managers (and LOTS of training) would really help you guys to take it "To The NEXT Level." -- Right now it's just plain SUB-STANDARD!! (again, on the PHONE side - the email side being better).

      Back to the Product Review:
      Then there is the fact that this NAS takes FOREVER to add (and format) new drives!!!

      This isn’t so much a “negative” as much as it is an absolute FACT!! — Everyone reading this should know, that EACH drive will add another 24 to 48 hours of processing (for EACH event). So if you have 8 drive slot (like with the1817+) then it will take you EIGHT DAYS (minimum) just to FORMAT/add the drives (onTOP of the time it will take to transfer your data) — 😲 🤯😳

      And then (PLEASE TAKE NOTE), if you add drives, you should take serious NOTE of the SIZE of drive you add FIRST (NO WHERE is this important fact mentioned). They do tell you that you should add your drives [first] from left, to right, as far as the “direction” goes — But the drive SIZE is also important (which you would THINK would be WARNED about, when you use their sites “Drive Calculator”).

      As an example, when I started adding drives I started using their SHR1 RAID, and began with a 8TB He8 HSGT drive. After that, I added ANOTHER He8 drive, because the SHR does say it NEEDs another similar [or larger] size, for redundancy (and/or RAID “protection”)

      After the two 8TB drives, I THEN attempted to add a smaller [2TB WD] drive. It was only then that the DSM (management) software didn’t even GIVE me the option to add this drive!!😳😰 — Why?!?, because I found out (after the fact) that you can ONLY add extra drives that are now BIGGER than 8TB!!!!!!!......😱🤯

      NO ONE told me this!!!

      In fact, Synology only ADVERTISES (in ALL/most their ad material) how “Flexible” their SHR formatting is (like Drobo, they infer) — that you’re virtually/literally able to add ANY type/size drives you wish!!!

      NOTE/ALERT - THIS FACT IS NOT TRUE!!!

      So BE WARNED everyone out there! Add your SMALLER drives FIRST — otherwise, you will be FORCED to add bigger drives (all the way through the rest of the slots) — to me, this is almost as bad as regular RAID 5/6, where you MUST have all your drives, the same. -- (Not the SAME, but ALMOST as bad 😉)

      And not even CLOSE to the Drobos Flexibility (I must admit), as they [Drobo] do indeed allow almost ANY drive size, type, and order you'd like.

      My only other pains (so far) is that SMB (Samba) not initially working. But, after some basic troubleshooting, I found that my network “switch” was not letting the SMB signal through — simple fix, just connected [directly] to another port to the back of my Nighthawk router.

      STILL am not able to get NFS to work (???) - will need to troubleshoot this more (no Biggie 😉) - SMB is my main thing anyway👍🏼

      😃GOOD STUFF:
      I AM happy to report that I was able to get the Ethernet (two port/Bonding) Aggregation to work PERFECTLY with the R8500 Nighthawk - SWEET!!!!!!!!!!!........😂👍🏼🎉

      So overall, I am VERY happy with the speed aspect!! (and the “option” of doing 10G networking, in the future, if needed [with the PCI slot available] — DOUBLE sweet!!! 😉😃👍🏼).

      I did ask of the phone rep if one could add a USB3/Thunderbolt network card to the PCI slot — the answer? - NO!!.... 😰😔

      Overall (and my entire sum of the matter), I AM happy 😃 so far with this product (about 80%)

      It is WAY better than the Drobo EVER was, and the data transfer (so far, about 70% complete) is going very smoothly (THANK GOD!!!😜🎉👍🏼)

      I thought that USB3 to/through Ethernet (1G) would be slow?!? (But it is/was NOT!! - Surprisingly 😳🤯)

      This was, of course, my biggest worry.

      So since I can no longer use my other [smaller] drives from my Drobo, I guess I'll just make it my Apple Time Machine backup drive.

      So I hope my review will help-out any other person out there (so that you won't have to go through the same ”PAIN/PAINS” that I did).

      LAST POINT - A VERY GOOD PRODUCT (With a few minor [workable] negatives 🤔).

      Yes (as most have mentioned), it is VERY expensive, but it is entirely WORTH it!!!!

      I now have my own “personal” High-Powered Netflix and iCloud 😁😆😃😁😆😃😆👍🏼👍🏼👍🏼🎉
      17 people found this helpful
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    • JRod
      3.0 out of 5 stars Very poor acoustics
      Reviewed in the United States on August 13, 2019
      Verified Purchase
      Using supported drives, the unit vibrates, rattles and hums constantly, even after repeated attempts to resolve the issue. There is no issue with the drives in the DS1815+. A specific issue with the caddies is that they spent a LOT of effort on rubber gaskets, etc., BUT the drives push up tight against the front part of the tray! Basically defeating their efforts. Also, the backplane should have some rubber washers of some sort as well.

      UPDATE:
      I added thick duct tape to the inside of the cover and electrical tape to various parts of the drive trays and it's good enough now to keep from wanting to throw it out the window as the hum bores into my brain.
      4 people found this helpful
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    • changeagent
      5.0 out of 5 stars Easy & powerful
      Reviewed in the United States on January 11, 2018
      Verified Purchase
      Great unit. Simple to set up and use. Went with WD Red Pro drives for it. Easily synced/backed up Google Drive and Dropbox files. Plays nicely with both Mac and Windows. This model also has eSata and USB ports for local drives, though it seems almost irrelevant as reads/writes from directly connected drives seem to go through the network (rather than direct to the RAID) anyway. Love the free Plex media server: it's much better than iTunes to catalogue files and network to AV equipment (Can use same music library with a mapped virtual drive to Mac for local iTunes, though)
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    Top reviews from other countries

    Translate all reviews to English
    • Simon J Cook
      5.0 out of 5 stars Big fan of Synology
      Reviewed in the United Kingdom on June 29, 2018
      Verified Purchase
      Superb piece of kit, loads of built in killer apps which are very good and give you masses of functionality out of the box.
      Better than the DS1815+ (which I also own).

      This is the iPhone of SOHO storage devices.
      I have been a customer of Synology for years and these give best value for money with tons of functionality beyond simply being a big disk.

      Be aware that the cost is not the NAS itself but the cost of the disks to put in it so factor that in.
      Also recommend a UPS because if your power goes down it will spend two days parity checking the disk set (you can still use it in that time).

      Never-the-less if you're not a fan of giving someone else your data (i.e. the cloud) and want to maintain control of your data this is best cost option for a SOHO environment.
      Report
    • Brogollack
      5.0 out of 5 stars Excelente NAD
      Reviewed in Mexico on December 2, 2017
      Verified Purchase
      Excelente. El OS es intuitivo y resulta una excelente solución para almacenamiento a largo plazo. Recomiendo usar HDD para NAS. El tiempo de entrega y sus condiciones: excelentes.
      Report
    • Tim A.
      5.0 out of 5 stars 8 Bay is good for future proofing
      Reviewed in the United Kingdom on April 23, 2018
      Verified Purchase
      Superb unit - you get what you pay for with Synology - software is based on Linux.
      Software is very intuitive and stable. 8 Bay is good for future proofing.
      Report
    • Davey J.
      5.0 out of 5 stars Easy installation
      Reviewed in the United Kingdom on November 21, 2018
      Verified Purchase
      Best nas on market use wd red drives!
      Report
    • TCR
      3.0 out of 5 stars Great software, annoying hardware
      Reviewed in the United Kingdom on September 1, 2018
      Verified Purchase
      With drives installed, the buzzing has gone beyond annoying and become distracting. It seems the Synology QC "engineers" missed this, so here's a freebie for the bug tracker. Steps to reproduce: 1. Load chassis with drives. 2. Use for a short time. 3: Notice distracting noise.
      Snark aside, the most popular solutions seem to involve padding and velcro. Hardly acceptable, considering this is a premium product.

      The software is great, though.

      Update : reduced the problem by putting a heavy encyclopedia on top of the unit. It's been resting on some spare Auralex underneath for some time. It's definitely the chassis/trays vibrating, and not something internal to the drives. I'll try other dampening solutions next. If you have this problem, Google for 'preventing vibration noise on a synology nas'.
      Report