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Green circuit board with black memory chips, 260-pin SODIMM form factor, no heat spreader

OWC

OWC 32GB DDR4 2666MHz ECC SODIMM 2Rx8 CL19 1.2V memory upgrade

SKU CH-PNJ9-QA9ZN

A 32 GB DDR4 2666 MHz ECC SODIMM module validated for Synology RackStation RS822+ and RS822RP+ NAS systems

  • Total capacity32 GB (1 × 32 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8
  • 32GB single module doubles NAS memory capacity
  • ECC protection prevents data corruption in critical workloads
  • 2666MHz DDR4 speed with CL19 latency for responsive operation
  • 2V low voltage reduces power draw and heat
  • Validated for Synology RS822+ and RS822RP+ compatibility

Targeted NAS Upgrade

This 32GB DDR4 2666MHz ECC SODIMM is built for Synology Rackstation RS822+ and RS822RP+ systems. It adds a single high-capacity module to compatible micro servers and NAS units. The unbuffered 2Rx8 design meets OEM specifications for reliable operation in supported platforms.

Thermals and Power

Operating at 1.2V, the module draws minimal power during normal NAS workloads. Without a heat spreader, it relies on the system's internal airflow for cooling. JEDEC-standard construction ensures stable voltages and low noise in typical 24/7 environments.

Sustained Load Behaviour

ECC functionality corrects single-bit errors during prolonged data-intensive tasks. Backward compatibility with 2400MHz and 2133MHz allows the module to clock down if the system requires it. The 2Rx8 organisation maintains consistent throughput over extended periods without buffering overhead.

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 (1 × 32 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.

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number2C6D42R832 GB
Total capacity32 GB (1 × 32 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+

Questions about this item

How do I install the 260-pin DDR4 SODIMM in my Synology RS822+ and what step is often missed?

Power off the NAS, remove the cover, align the notch on the module with the slot key, press firmly until the side clips click, then replace the cover before powering on; the step often missed is fully seating the module so both clips engage.

Will the ECC SODIMM need any maintenance or replacement during the life of the RS822RP+?

The module has no moving parts and no heat spreader, so it requires no periodic maintenance; replacement is only needed if a memory error appears or you later expand beyond the single 32GB stick.

What limit appears first when the RS822+ runs sustained workloads with this CL19 2666MHz memory?

The memory controller in the RS822+ caps the data rate at 2666 MT/s, so bandwidth saturates before the CL19 latency or the 1.2V power envelope becomes a bottleneck.

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