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Green rectangular circuit board with gold contacts and black memory chips

OWC

OWC 4GB DDR3 1600 CL11 1.5V SODIMM memory upgrade

SKU CH-B4ZX-XKMT4

A 4 GB DDR3 1600 SODIMM module tested for Synology NAS models DS1515+, DS1517+, DS1815+, DS1817 and RS815+

  • Capacity4GB
  • Type204-Pin DDR3 Non-ECC SODIMM
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Voltage1.5V
  • ECCNo
  • 4GB capacity expands NAS multitasking headroom
  • DDR3 1600 CL11 speed matches OEM spec
  • 5V JEDEC voltage ensures warranty-safe operation
  • 204-pin SODIMM form factor fits listed Synology models
  • Single-rank 1Rx8 design simplifies installation

OWC 4GB DDR3 1600 SODIMM for Synology NAS

This 4GB DDR3 1600 CL11 SODIMM module is built for Synology NAS models DS1515+, DS1517+, DS1815+, DS1817 and RS815+. It runs at PC3-12800 speed with 1.5V voltage and a 204-pin form factor. The single-rank 1Rx8 design uses non-ECC unbuffered chips. It replaces Synology part number RAM1600DDR3-4G.

Suits owners of listed Synology units needing

Buyers whose NAS requires ECC memory or a different DDR generation should look elsewhere. Systems needing higher density per slot or faster speeds than 1600MHz are not served by this module. Laptops or mini PCs outside the validated compatibility list may not recognise the stick.

The decisive spec is the 204-pin DDR3 1600 CL11

Only devices accepting this exact pin count, voltage, speed and latency combination will operate correctly. The non-ECC unbuffered design rules out servers requiring registered or error-correcting memory. Verify the NAS model number matches the supported list before purchasing.

Points forts

  • 4GB capacity expands NAS multitasking headroom
  • DDR3 1600 CL11 speed matches OEM spec
  • 5V JEDEC voltage ensures warranty-safe operation
  • 204-pin SODIMM form factor fits listed Synology models
  • Single-rank 1Rx8 design simplifies installation

Caractéristiques

BrandOWC
Part Number1S6D31R804GB
Capacity4GB
Type204-Pin DDR3 Non-ECC SODIMM
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemSynology NAS DS1515+
Synology NAS DS1517+
Synology NAS DS1815+
Synology NAS DS1817
Synology NAS RS815+

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Questions sur cet article

Does this 4 GB DDR3 1600 CL11 SODIMM need a Synology NAS from the DS1515+ DS1517+ DS1815+ DS1817 or RS815+ series to work?

Yes — the module is validated for those exact Synology models and replaces Synology part RAM1600DDR3-4G.

Can I add this stick next to the original memory already in my DS1815+?

It runs at DDR3 1600 CL11 1.5 V unbuffered non-ECC; matching those specs lets it operate alongside the factory DIMM.

How do I confirm the NAS sees the full 4 GB after installing the 204-pin module?

Open DSM Control Panel → Info Center and check that total system memory shows the expected increase.

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