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SYNOLOGY DS918 +: a complete disassembly in rules

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  1. SYNOLOGY DS918 +: a complete disassembly in rules, Presentation: the different faces of the case: step 1, image 1 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Presentation: the different faces of the case: step 1, image 2 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Presentation: the different faces of the case: step 1, image 3 of 3
    • Here are the different interesting faces of the case: front (bay disks), rear (connectors and fans), below (2 hatches SSD).

    • This NAS DS918 + is equipped with 4 GB of RAM (8 GB max.), An INTEL Celeron J3455 64-bit Quad processor, four bays for SATA drives.

    • 2 RJ45 Gb ports.

    • Kensington security incision (K-lock)

    • 2 M.2 NVMe 2280 ports (disk cache)

    • 1 port for power supply

    • 2 USB 3 ports (1 in front and 1 behind)

    • 1 eSATA port

  2. SYNOLOGY DS918 +: a complete disassembly in rules, Unlock the disk media: step 2, image 1 of 2 SYNOLOGY DS918 +: a complete disassembly in rules, Unlock the disk media: step 2, image 2 of 2
    • Before teardown, unlock the disk media with the key.

  3. SYNOLOGY DS918 +: a complete disassembly in rules, Removes disks from the bay: step 3, image 1 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Removes disks from the bay: step 3, image 2 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Removes disks from the bay: step 3, image 3 of 3
    • Since the media are unlocked, remove each disk media.

  4. SYNOLOGY DS918 +: a complete disassembly in rules, Backplane and memory slot access: step 4, image 1 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Backplane and memory slot access: step 4, image 2 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Backplane and memory slot access: step 4, image 3 of 3
    • This is a significant innovation, the memory is now directly accessible and without disassembly of the housing, for the original bar as for the extension port.

  5. SYNOLOGY DS918 +: a complete disassembly in rules, Case: removing the cover 1/2: step 5, image 1 of 1
    • Remove the 2 screws on the back of the case at the top and bottom (not the one above the USB port)

  6. SYNOLOGY DS918 +: a complete disassembly in rules, Housing: hood removal 2/2: step 6, image 1 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Housing: hood removal 2/2: step 6, image 2 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Housing: hood removal 2/2: step 6, image 3 of 3
    • Slide the cover forward, then slide it out (here, to the left).

  7. SYNOLOGY DS918 +: a complete disassembly in rules, Internal parts: presentation: step 7, image 1 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Internal parts: presentation: step 7, image 2 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Internal parts: presentation: step 7, image 3 of 3
    • in red: SSD M.2 expansion card 2280

    • in yellow: USB port 3

    • in orange: internal connectors of the 2 fans

    • in green: 2 slots of RAM

    • in blue: SATA III backplane (4 hard drive bays)

    • in pink: fixing the fans on the chassis

  8. SYNOLOGY DS918 +: a complete disassembly in rules, Removing M.2 SSD expansion card: step 8, image 1 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Removing M.2 SSD expansion card: step 8, image 2 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Removing M.2 SSD expansion card: step 8, image 3 of 3
    •   Remove the 4 screws located on the blue electronic board.  

    • You can remove the M.2 expansion board now.

  9. SYNOLOGY DS918 +: a complete disassembly in rules, USB3 port: removal of connectivity: step 9, image 1 of 1
    • Remove the screw from the holding plate of the USB connector 3.

    • Also remove the USB 3 connector screw on the rear side (this can be done later).

    • Do not remove the USB connector 3 on the motherboard, it is glued. It does not interfere with disassembly!

  10. SYNOLOGY DS918 +: a complete disassembly in rules, Removing fan clips: step 10, image 1 of 1
    • Remove the screws from the two shims to secure the disc cage and the two fans.

  11. SYNOLOGY DS918 +: a complete disassembly in rules, Cage disks: removal of cradle 1/3: step 11, image 1 of 2 SYNOLOGY DS918 +: a complete disassembly in rules, Cage disks: removal of cradle 1/3: step 11, image 2 of 2
    • 5 Phillips screws must be removed.

    • First 3 screws on SSD expansion board, on the bottom (bottom).

  12. SYNOLOGY DS918 +: a complete disassembly in rules, Cage disks: removal of cradle 2/3: step 12, image 1 of 1
    • Then 2 screws on the upper face of the device (top).

  13. SYNOLOGY DS918 +: a complete disassembly in rules, Cage disks: removal of cradle 3/3: step 13, image 1 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Cage disks: removal of cradle 3/3: step 13, image 2 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Cage disks: removal of cradle 3/3: step 13, image 3 of 3
    • Now that the screws have been removed, you can (after verification) remove the cage drives.

    • Attention to the backplane and its connector (the electronic card). Check and check again, without forcing! The cradle discs must come alone.

  14. SYNOLOGY DS918 +: a complete disassembly in rules, Fans: removal of hardware 1/2: step 14, image 1 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Fans: removal of hardware 1/2: step 14, image 2 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Fans: removal of hardware 1/2: step 14, image 3 of 3
    • Remove the 8 screws from the fan grilles. They make it possible to maintain both the grilles and the fans.

    • Removing the fans does not seem necessary (not taken the time to check) to remove the motherboard.

    • Attention, when it comes to reassemble the grids, it will be necessary to make sure to align the 2 very small lugs in relief on the back of the plastic grates with the 2 small holes between the screws of the bottom of the fans!

  15. SYNOLOGY DS918 +: a complete disassembly in rules, Fans References: step 15, image 1 of 1
    • According to the technical documentation of Y.S. TECH:

    • Voltage: 12 Vdc (7 to 13.2 range) for 100 mA (consumption)

    • Life time @ 40 ° C L10: 50000 h

    • Noise level: 23 dB

    • Max airflow: 36.3 cubic feet / minute

    • Rotation speed: 1900 rpm

    • Weight: 100 g

  16. SYNOLOGY DS918 +: a complete disassembly in rules, Fans: removal of fans 2/2: step 16, image 1 of 2 SYNOLOGY DS918 +: a complete disassembly in rules, Fans: removal of fans 2/2: step 16, image 2 of 2
    • Remove the power cables from the fans, being careful to locate them (you never know) located on the motherboard.

    • Then remove the fans.

    • You will also be careful to unscrew the USB 3 connector fixing screw on the rear panel (if this has not been done previously).

  17. SYNOLOGY DS918 +: a complete disassembly in rules, Motherboard: remove the board from the case: step 17, image 1 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Motherboard: remove the board from the case: step 17, image 2 of 3 SYNOLOGY DS918 +: a complete disassembly in rules, Motherboard: remove the board from the case: step 17, image 3 of 3
    • Remove the 4 screws that secure the motherboard to the case.

    • Remove the motherboard from the case paying attention to the USB 3 connector on the front and the power button. To do this, move the front panel a little and lift the motherboard upwards (outside).

    • Once the motherboard is out, unscrew the 4 screws of the metal protective cover (metal plate).

  18. SYNOLOGY DS918 +: a complete disassembly in rules, Motherboard: processor: step 18, image 1 of 1
    • Motherboard processor face

    • INTEL Celeron J3455 / 64-bit / Quad core 1.5 burst up to 2.3 GHz

    • Memory battery

    • Internal Beep

    • USB connector 3

    • Power button (power-on)

    • Flash memory with pre-loaded DSM 6.1 kernel to allow the NAS to boot before full installation of the OS

    • UEFI Insyde H2O BY56 chip ??

  19. SYNOLOGY DS918 +: a complete disassembly in rules, Motherboard: memory side and connectors: step 19, image 1 of 2 SYNOLOGY DS918 +: a complete disassembly in rules, Motherboard: memory side and connectors: step 19, image 2 of 2
    • Memory side of the motherboard (pre-equipped with 4 GB of RAM)

    • NVMe M.2 SSD expansion card connector

    • Connector (PCIe ??) for SATA disk expansion card

    • Fan connector (x2)

    • Power connector

    • RJ45 LAN Connector (8P8C) x2

    • ESATA connector

    • Original 4GB DDR3L RAM Memory Stick 1866

Conclusion

To reassemble your device, follow the instructions in reverse order.

Be careful however, for the grilles of the fans it will be necessary to make sure to align the 2 small raised lugs on the back of the plastic grilles with the 2 small holes between the screws of the bottom of the fans!

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Sébastien

Member since: 12/14/15

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Team

AEM (ANIMA EX MACHINA) Member of AEM (ANIMA EX MACHINA)

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15 Comments

Un tutoriel complet, avec de bonnes photos, lecture claire et concise.

Bravo et merci pour ton travail.

Jordi Chavarria - Reply

merci pour ces encouragements !

Sébastien -

Hi

Is the cpu upgradable or soldered directly to the bord ?

Thanks

safeburn - Reply

Hi,

soldered. But i haven’t removed the thermal dissipator.

Sébastien -

can you try it to upgrade it? :)

peto01 -

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