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Green DDR4 ECC UDIMM circuit board with gold contacts and black chips

OWC

OWC 16GB DDR4 2666MHz ECC UDIMM CL19 1.2V 2Rx8 288-pin memory upgrade

SKU CH-0XHJ-STABP

A 16GB DDR4 2666MHz ECC UDIMM module for Synology RackStation R3617RPxs and RSS3617xs+ systems

  • Capacity16GB (1 x 16GB)
  • Type288-Pin DDR4 ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes
  • 16 GB capacity expands NAS memory for heavier workloads
  • DDR4 2666 MHz CL19 delivers fast data rates with low latency
  • ECC unbuffered design protects data integrity in critical operations
  • 2 V operation reduces power draw and heat output
  • Compatible with Synology RackStation R3617RPxs and RSS3617xs+ systems

Compatible NAS Memory Upgrade

This 16GB DDR4 ECC UDIMM is built for Synology RackStation R3617RPxs and RSS3617xs+ systems. It delivers 2666MHz speed with CL19 latency at 1.2V. The module targets administrators who need to expand capacity in these specific NAS units. It is not for buyers who want non-ECC memory or modules for consumer desktop platforms.

DDR4 2666MHz Interface Limits

The memory runs at PC4-21300 2666MHz CL19 and supports backward compatibility with 2133MHz and 2400MHz bus speeds. JEDEC-standard signalling defines the electrical and timing boundaries for this unbuffered 288-pin format. Systems that require registered DIMMs or higher voltage operation cannot use this module.

Tool-Free DIMM Installation

Installing the stick is a straightforward DIY task: open the chassis, align the notch, and press until the latches click. The 2Rx8 organisation and lack of a heat spreader keep the profile low for tight NAS bays. Common issues include failing to seat the module fully or mixing ranks in channels that require matched pairs.

Fordele

  • 16 GB capacity expands NAS memory for heavier workloads
  • DDR4 2666 MHz CL19 delivers fast data rates with low latency
  • ECC unbuffered design protects data integrity in critical operations
  • 2 V operation reduces power draw and heat output
  • Compatible with Synology RackStation R3617RPxs and RSS3617xs+ systems

Specifikationer

BrandOWC
Part Number2E6D42R816GB
Capacity16GB (1 x 16GB)
Type288-Pin DDR4 ECC UDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemSynology RackstationR3617RPxs
Synology RackstationRSS3617xs+

Spørgsmål om denne vare

Should I choose the 16GB module or add multiple sticks for my Synology RackStation?

This is a single 16GB DDR4 2666MHz ECC UDIMM. Add one module per available slot on the R3617RPxs or RSS3617xs+ to reach the total capacity your NAS supports.

What does the 2666MHz speed deliver inside a Synology RackStation R3617RPxs?

The module runs at 2666MHz CL19 at 1.2V. In the R3617RPxs it operates at the system's native DDR4 2666 bus, giving the full PC4-21300 bandwidth for file serving and virtualization workloads.

Is the 288-pin ECC UDIMM interface compatible with the R3617RPxs memory slots?

Yes. The 288-pin DDR4 ECC UDIMM matches the R3617RPxs and RSS3617xs+ DIMM slots exactly. It also down-clocks to 2400MHz or 2133MHz if the system requires a lower speed.

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