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Two green DDR4 ECC SODIMM modules side by side

OWC

OWC 32GB (2x16GB) DDR4 2666MHz ECC SODIMM for Synology RS822+/RS822RP+

SKU CH-9KPK-3PM7G

32 GB DDR4 2666 MHz ECC SODIMM kit (2×16 GB, CL19, 1.2 V) validated for Synology RackStation RS822+ and RS822RP+

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8

Capacity 32GB (2 x 16GB)

  • ECC protection guards data integrity on Synology RS822+/RP+
  • 32 GB kit (2×16 GB) expands NAS multitasking headroom
  • DDR4 2666 MHz CL19 matches system memory speed
  • 2 V unbuffered SODIMM fits 260-pin slots without extra power
  • JEDEC & RoHS compliant for warranty-safe upgrade

System-specific DDR4 ECC kit

This 32 GB kit contains two 16 GB DDR4 2666 MHz ECC SODIMM modules built for Synology RackStation RS822+ and RS822RP+. Each stick is a 260-pin unbuffered CL19 part running at 1.2 V. The pair delivers a matched capacity upgrade for those NAS models.

2666 MHz CL19 ECC SODIMM spec

The decisive figure is the DDR4 2666 (PC4-21300) speed with CL19 latency and ECC error correction. Modules are 2Rx8 unbuffered, JEDEC-standard and backward compatible with 2400 MHz and 2133 MHz systems. Only the listed Synology models are validated for this part number.

Sustained operation in NAS workloads

Under continuous file-serving and virtualization loads the ECC function detects and corrects single-bit errors without halting the system. Unbuffered 2Rx8 organisation keeps signal integrity stable across all ranks at 1.2 V. No heat spreader is fitted, so chassis airflow must handle module thermals.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $249.99
Cheaper than about 56% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $7.81 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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Specifications

Product
Brand nameOWC
Part number2C6D42R8032P
Total capacity32 GB (2 × 16 GB)
Product type260-Pin DDR4 ECC SODIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportYes
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSynology RackstationRS822+
Synology RackstationRS822RP+

Other versions of this model

3 more in the same range

Questions about this item

Will the 2666MHz speed run at full rate inside a Synology RS822+?

Yes, the RS822+ and RS822RP+ support DDR4 2666 natively, so both 16GB modules operate at the rated PC4-21300 speed without downclocking.

Does the ECC unbuffered SODIMM use a standard 260-pin DDR4 interface?

The kit uses 260-pin DDR4 SODIMM modules that follow JEDEC PC4-21300 specifications, so they slot directly into the RS822+ and RS822RP+ memory sockets.

Do the two 16GB sticks fit the RS822+ chassis without a heat spreader?

Each module is a low-profile 260-pin SODIMM with no heat spreader, matching the physical clearance inside the Synology RS822+ and RS822RP+ bays.

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