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Two green DDR4 ECC SODIMM modules, black chips, gold contacts

OWC

OWC 32GB (2x16GB) DDR4 2666MHz CL19 ECC SODIMM for Synology DS1621+/DS1621xs+

SKU CH-EK2E-QNSC0

32 GB dual-channel DDR4 ECC SODIMM kit running at 2666 MHz CL19 for Synology DS1621+ and DS1621xs+ NAS

  • Capacity32GB (2 x 16GB)
  • Type260-Pin DDR4 ECC SODIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 32GB (2 x 16GB)

  • 32 GB capacity with two 16 GB modules for expanded NAS memory
  • DDR4 2666 MHz CL19 speed for responsive multitasking
  • ECC unbuffered design protects data integrity in critical workloads
  • JEDEC and RoHS compliant for warranty-safe Synology DS1621+ and DS1621xs+ upgrades
  • Backward compatible with 2400 MHz and 2133 MHz systems for flexible deployment

Synology DS1621+ and DS1621xs+ memory kit

This 32GB kit contains two 16GB DDR4 ECC SODIMM modules built for the Synology DiskStation DS1621+ and DS1621xs+ NAS units. It delivers 2666MHz speed with CL19 latency at 1.2V. The unbuffered 2Rx8 design meets OEM specifications for these systems.

DDR4 2666MHz ECC SODIMM limits

The modules run at PC4-21300 2666MHz and will clock down to 2400MHz or 2133MHz if the platform requires it. They use the 260-pin SODIMM form factor and provide ECC error correction without registered buffering. JEDEC compliance ensures standard voltage and timing behaviour.

32GB capacity for NAS workloads

Two 16GB sticks give 32GB total, expanding the DS1621+ or DS1621xs+ beyond its base configuration. This headroom supports heavier multitasking, larger file caches and virtual machines. The kit does not add storage bays, 10GbE ports or CPU cores, so storage-bound or compute-bound tasks may still hit other limits.

Points forts

  • 32 GB capacity with two 16 GB modules for expanded NAS memory
  • DDR4 2666 MHz CL19 speed for responsive multitasking
  • ECC unbuffered design protects data integrity in critical workloads
  • JEDEC and RoHS compliant for warranty-safe Synology DS1621+ and DS1621xs+ upgrades
  • Backward compatible with 2400 MHz and 2133 MHz systems for flexible deployment

Caractéristiques

BrandOWC
Part Number2C6D42R8032P
Capacity32GB (2 x 16GB)
Type260-Pin DDR4 ECC SODIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemSynology DiskStationDS1621+
Synology DiskStationDS1621xs+

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Questions sur cet article

Should I pick this 32 GB kit or a smaller 16 GB kit for my DS1621+?

The kit supplies 32 GB in two 16 GB SODIMMs, filling both slots on the DS1621+ and DS1621xs+ for maximum supported capacity.

What does the 2666 MHz rating actually deliver inside my NAS?

The modules run at DDR4 2666 (PC4-21300) with CL19 latency, giving the NAS its highest JEDEC-standard memory bandwidth for file caching and multi-user workloads.

Is the 260-pin DDR4 ECC SODIMM interface the limiting factor for speed?

Yes, the 260-pin DDR4 ECC SODIMM slot caps operation at 2666 MHz; the sticks will down-clock to 2400 MHz or 2133 MHz if the system requires it.

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