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Two green DDR4 memory modules with gold contacts, no heat spreaders

OWC

OWC 16GB (2x8GB) DDR4 2666 ECC UDIMM CL19 1.2V for Synology RS2818RP+

SKU CH-5WCC-ANCG1

16 GB DDR4 ECC UDIMM kit, 2666 MHz CL19 at 1.2 V, validated for Synology RS2818RP+

  • Capacity16GB (2 x 8GB)
  • Type288-Pin DDR4 ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 16GB (2 x 8GB)

  • 16 GB kit adds capacity for demanding NAS workloads
  • DDR4 2666 speed with CL19 latency keeps data flowing
  • ECC protection detects and corrects memory errors
  • 2 V operation reduces power draw and heat
  • Validated for Synology RS2818RP+ for warranty-safe upgrades

Synology RS2818RP+ memory upgrade

This 16 GB kit uses two 8 GB DDR4 2666 ECC UDIMM modules built for the Synology RackStation RS2818RP+. It adds capacity to the NAS so more virtual machines, containers or cached files can run at once. The unbuffered design matches the system's memory architecture. JEDEC compliance keeps the upgrade warranty-safe.

Check your NAS slots and firmware

Verify the RS2818RP+ has free 288-pin DIMM slots before ordering. Confirm the current firmware supports the new total capacity. The modules run at 1.2 V and CL19, matching the platform's standard voltage and timing. They will clock down to 2133 MHz or 2400 MHz if the system requires it.

No heat spreaders or extra software

The sticks ship without heat spreaders, so they fit tight server chassis without clearance issues. No configuration utilities or licences are bundled; the NAS recognises the memory automatically. The package contains only the two UDIMMs in anti-static trays.

Pontos fortes

  • 16 GB kit adds capacity for demanding NAS workloads
  • DDR4 2666 speed with CL19 latency keeps data flowing
  • ECC protection detects and corrects memory errors
  • 2 V operation reduces power draw and heat
  • Validated for Synology RS2818RP+ for warranty-safe upgrades

Especificações

BrandOWC
Part Number2E6D41R8016P
Capacity16GB (2 x 8GB)
Type288-Pin DDR4 ECC UDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemSynology RackstationRS2818RP+

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Perguntas sobre este artigo

Does the kit include only the two 8GB DDR4 2666 ECC UDIMM sticks or are tools or cables also supplied?

The upgrade kit consists of two 8GB DDR4 2666 CL19 1.2V ECC unbuffered UDIMM modules; no tools, cables or additional accessories are included.

Should I choose the 16GB 2x8GB kit or a different capacity for the Synology RS2818RP+?

This 16GB kit (2x8GB) matches the RS2818RP+ memory slots and DDR4 2666 specification; select a different capacity only if your workload demands more or less total memory.

What does the 2666MHz speed rating mean once the modules are installed in the RS2818RP+?

The modules run at DDR4 2666 (PC4-21300) with CL19 latency; the system will also operate them at 2400MHz or 2133MHz if the platform requires a lower speed.

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