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Two green DDR4 SODIMM sticks, black chips, no heat spreader

OWC

OWC 64GB (2x32GB) DDR4 2666 ECC SODIMM for Synology RS1522+

SKU CH-EVBY-PRFGN

A 64GB dual-channel DDR4 2666 ECC SODIMM kit validated for Synology RS1522+ NAS systems

  • Capacity64GB (2 x 32GB)
  • Type260-Pin DDR4 ECC SODIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 64GB (2 x 32GB)

  • 64GB kit expands Synology RS1522+ capacity for demanding workloads
  • ECC protection detects and corrects single-bit errors to safeguard data integrity
  • DDR4 2666 CL19 at 1.2V delivers rated speed with low power draw
  • 260-pin SODIMM form factor fits the RS1522+ memory slots directly
  • JEDEC and RoHS compliant modules ensure warranty-safe, standards-based upgrade

OWC DDR4 2666 ECC SODIMM kit for RS1522+

This kit contains two 32GB DDR4 2666 CL19 ECC unbuffered SODIMM modules for a total of 64GB. It is built to JEDEC PC4-21300 standard at 1.2V and validated for the Synology DiskStation RS1522+.

Suitable for RS1522+ owners adding memory.

The modules are designed for the Synology RS1522+ NAS and other micro servers that accept 260-pin DDR4 ECC SODIMMs. Buyers whose hardware requires registered DIMMs or non-ECC memory should look at a different part.

260-pin DDR4 ECC SODIMM form factor decides fit

The 260-pin SO-DIMM interface with ECC and 1.2V operation is the single specification that determines compatibility. The kit is backward compatible with 2400MHz and 2133MHz slots but will only install in sockets that accept 260-pin DDR4 ECC modules.

Highlights

  • 64GB kit expands Synology RS1522+ capacity for demanding workloads
  • ECC protection detects and corrects single-bit errors to safeguard data integrity
  • DDR4 2666 CL19 at 1.2V delivers rated speed with low power draw
  • 260-pin SODIMM form factor fits the RS1522+ memory slots directly
  • JEDEC and RoHS compliant modules ensure warranty-safe, standards-based upgrade

Specifications

BrandOWC
Part Number2C6D42R8064P
Capacity64GB (2 x 32GB)
Type260-Pin DDR4 ECC SODIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemSynology DiskStation RS1522+

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Questions about this item

Which capacity kit should I choose for my Synology RS1522+?

This kit provides 64GB total using two 32GB modules, filling both slots in the RS1522+ for the maximum supported memory configuration.

What does the 2666MHz rating mean once installed in the RS1522+?

The modules run at 2666MHz CL19 at 1.2V; if the system bus is slower they will automatically operate at 2400MHz or 2133MHz instead.

Does the 260-pin DDR4 ECC SODIMM interface limit the speed in this NAS?

The 260-pin DDR4 ECC SODIMM form factor matches the RS1522+ slots exactly, so the memory runs at its rated 2666MHz without interface bottlenecks.

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