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Two green DDR4 ECC SODIMM modules with gold contacts, no heat spreader

OWC

OWC 16GB (2x8GB) DDR4 2666MHz ECC SODIMM memory upgrade for Synology DVA3219 DVA3221

SKU CH-J701-05763

16 GB DDR4 ECC SODIMM kit (2 × 8 GB) at 2666 MHz CL19 for Synology DVA3219 and DVA3221 NAS units

  • Capacity16GB (2 x 8GB)
  • Type260-Pin DDR4 ECC SODIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 16GB (2 x 8GB)

  • 16GB dual-channel kit boosts Synology DVA3219 and DVA3221 capacity
  • ECC protection detects and corrects single-bit errors for data integrity
  • 2666MHz CL19 timing matches factory specifications for stable operation
  • 2V DDR4 modules run cool without a heat spreader
  • JEDEC and RoHS compliant for a warranty-safe upgrade

Synology DVA3219 DVA3221 memory kit

This OWC kit supplies 16GB of DDR4 ECC SODIMM memory as two 8GB modules. It is built for the Synology Deep Learning NVR models DVA3219 and DVA3221. The modules run at 2666MHz with CL19 latency and 1.2V operation. ECC support helps maintain data integrity in surveillance and analytics workloads.

Check slots and current configuration

Verify that your NVR has two free 260-pin SODIMM slots before ordering. The kit is unbuffered and single-rank, so it must match the platform’s memory controller requirements. Existing memory should be DDR4 2666MHz or slower; the modules are backward compatible with 2400MHz and 2133MHz speeds. Do not mix with registered or buffered DIMMs.

No heat spreader simplifies tight bays

The modules ship without a heat spreader, keeping the profile low for crowded NAS chassis. Gold-edge 260-pin connectors seat directly into the SO-DIMM sockets with standard latching clips. JEDEC and RoHS compliance ensures the upgrade will not void the system warranty. Installation is a straightforward DIY task once the cover is removed.

Helstu kostir

  • 16GB dual-channel kit boosts Synology DVA3219 and DVA3221 capacity
  • ECC protection detects and corrects single-bit errors for data integrity
  • 2666MHz CL19 timing matches factory specifications for stable operation
  • 2V DDR4 modules run cool without a heat spreader
  • JEDEC and RoHS compliant for a warranty-safe upgrade

Tæknilýsing

BrandOWC
Part Number2C6D41R8016P
Capacity16GB (2 x 8GB)
Type260-Pin DDR4 ECC SODIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemSynology Deep Learning NVRDVA3219
Synology Deep Learning NVRDVA3221

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Does the OWC 16GB kit include both SODIMM modules or must I buy the second 8GB stick separately?

The kit contains two 8GB DDR4 2666 ECC SODIMM modules for a total of 16GB; nothing else is required for the upgrade.

Should I choose this 2666MHz CL19 kit or a slower 2400MHz kit for my DVA3219?

This kit runs at 2666MHz CL19 and is backward compatible with 2400MHz and 2133MHz, so it will operate at the highest speed the DVA3219 supports.

What does the 2666MHz rating mean once the memory is installed in a Synology DVA3221?

The modules will run at 2666MHz (PC4-21300) with CL19 latency at 1.2V, providing the maximum JEDEC-standard throughput the DVA3221 can accept.

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