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Green circuit board with gold edge connectors and black memory chips

OWC

OWC 8GB DDR4 2666 CL19 ECC SODIMM Synology RS822+/RS822RP+

SKU CH-32YC-HKV19

Adds 8 GB of DDR4 ECC memory to Synology RS822+ and RS822RP+ NAS units, running at 2666 MHz CL19 with 1.2 V operation

  • Capacity8GB
  • Type260-Pin DDR4 ECC SODIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 8GB

  • 8GB capacity expands Synology NAS multitasking headroom
  • DDR4 2666 CL19 speed matches RS822+/RS822RP+ specs
  • ECC protection guards data integrity in RAID arrays
  • 2V JEDEC standard voltage ensures warranty-safe operation
  • Backward compatible with 2400MHz and 2133MHz systems

System-specific upgrade for Synology Rackstation

This OWC module adds 8 GB of DDR4 ECC memory to a Synology Rackstation RS822+ or RS822RP+. It targets administrators who need more capacity for virtual machines, containers or heavy file workloads on those exact NAS models.

ECC unbuffered SODIMM at 2666 MHz CL19

The single specification that decides fit is the 260-pin DDR4 ECC unbuffered SODIMM running at 2666 MHz with CL19 latency at 1.2 V. Only systems accepting that exact combination will recognise the module.

Fits the RS822+ and RS822RP+ memory slot

Installation requires an available SODIMM slot in the compatible Rackstation. The module frees no additional bay or connector; it simply expands the memory pool the NAS can address for its services.

Highlights

  • 8GB capacity expands Synology NAS multitasking headroom
  • DDR4 2666 CL19 speed matches RS822+/RS822RP+ specs
  • ECC protection guards data integrity in RAID arrays
  • 2V JEDEC standard voltage ensures warranty-safe operation
  • Backward compatible with 2400MHz and 2133MHz systems

Specifications

BrandOWC
Part Number2C6D41R808GB
Capacity8GB
Type260-Pin DDR4 ECC SODIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemSynology RackstationRS822+
Synology RackstationRS822RP+

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

How does the 2666 MHz speed behave once installed in an RS822+?

The module runs at 2666 MHz; if the system bus is slower it will down-clock to 2400 MHz or 2133 MHz automatically.

What does the PC4-21300 label mean for real-world bandwidth in the NAS?

PC4-21300 is the JEDEC designation for DDR4-2666; the memory controller in the RS822+ determines the actual throughput.

Will the 260-pin SODIMM fit the memory slot on an RS822RP+ without an adapter?

Yes, the RS822RP+ uses standard 260-pin DDR4 SODIMM slots, so the module seats directly.

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