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Green circuit board with gold edge contacts and black memory chips

OWC

OWC 4GB DDR3L 1866 PC3L-14900 CL13 1Rx8 204-pin 1.35V Non-ECC SODIMM memory upgrade

SKU CH-EKJ4-7WT5W

4GB DDR3L 1866 SODIMM module upgrades compatible Synology NAS models DS218+, DS418play, DS620slim, DS718+ and DS918+

  • Capacity4GB
  • Type204-Pin DDR3L Non-ECC SODIMM
  • SpeedDDR3L 1866 (PC3L 14900)
  • CAS LatencyCL13
  • Voltage1.35V
  • ECCNo
  • 4GB capacity expands NAS multitasking headroom
  • DDR3L 1866 speed matches Synology DS218+, DS418play, DS620slim, DS718+, DS918+ specs
  • 35V low-voltage DDR3L cuts power draw versus standard DDR3
  • JEDEC-standard CL13 timing ensures warranty-safe compatibility
  • 204-pin SODIMM form factor fits laptop, mini-PC and NAS slots

4GB DDR3L SODIMM for Synology NAS

This 4GB DDR3L 1866MHz CL13 module is built as a warranty-safe upgrade for specific Synology NAS models. It arrives as a single unbuffered 204-pin SODIMM rated at 1.35V without ECC or a heat spreader.

Fits DS218+ DS418play DS620slim DS718+ DS918+

The part matches Synology part number D3NS1866L-4G and is validated for the five listed NAS units. Systems that require ECC, registered modules, a different pin count or a different voltage cannot use this module.

JEDEC PC3L-14900 1.35V standard

JEDEC and RoHS compliance guarantees the electrical and mechanical specification the NAS firmware expects. The single decisive figure is the 1.35V DDR3L voltage; a 1.5V DDR3 stick will not operate correctly in these bays.

商品特色

  • 4GB capacity expands NAS multitasking headroom
  • DDR3L 1866 speed matches Synology DS218+, DS418play, DS620slim, DS718+, DS918+ specs
  • 35V low-voltage DDR3L cuts power draw versus standard DDR3
  • JEDEC-standard CL13 timing ensures warranty-safe compatibility
  • 204-pin SODIMM form factor fits laptop, mini-PC and NAS slots

商品規格

BrandOWC
Part Number1S8T31R804GB
Capacity4GB
Type204-Pin DDR3L Non-ECC SODIMM
SpeedDDR3L 1866 (PC3L 14900)
CAS LatencyCL13
Voltage1.35V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemSynology NAS DS218+
Synology NAS DS418play
Synology NAS DS620slim
Synology NAS DS718+
Synology NAS DS918+

商品問答

Which Synology NAS models is the 4GB DDR3L 1866 SODIMM compatible with?

The module is validated for the DS218+, DS418play, DS620slim, DS718+ and DS918+ NAS units.

Will the 1.35 V DDR3L stick work in a system that currently runs 1.5 V DDR3 memory?

Yes, DDR3L is backward-compatible with 1.5 V DDR3 slots; the module will operate at the lower 1.35 V.

How can I confirm the new 4GB module is recognised after installation?

Open the DSM Control Panel, choose Info Center and verify that total memory now shows the additional 4 GB.

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