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Green rectangular SODIMM module with gold edge connector and black chips

OWC

OWC 8GB DDR4 2666 CL19 2Rx8 260-pin 1.2V Non-ECC SODIMM for Synology DS1520+ memory upgrade

SKU CH-GJNM-9A0FD

Adds 8GB DDR4 2666 CL19 SODIMM to Synology DS1520+ for faster multitasking

  • Capacity8GB
  • Type260-Pin DDR4 Non-ECC SODIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCNo
  • 8GB capacity expands NAS multitasking headroom
  • DDR4 2666 speed matches DS1520+ spec
  • CL19 latency and 1.2V voltage keep power draw low
  • 260-pin SODIMM form factor fits the DS1520+ slot
  • JEDEC and RoHS compliance ensures warranty-safe upgrade

8 GB DDR4 SODIMM for Synology DS1520+

This OWC module delivers 8 GB of DDR4 memory built to the PC4-21300 standard at 2666 MHz with CL19 latency. It uses a 260-pin SODIMM form factor and operates at 1.2 V without ECC or buffering. The stick is validated specifically for the Synology DiskStation DS1520+ NAS.

Suitable for DS1520+ memory expansion

The module fits DS1520+ owners who want to increase installed memory for heavier multitasking or more simultaneous services. It is not for systems that require ECC memory, registered DIMMs, or a different pin count such as 288-pin desktop memory.

CL19 latency at 2666 MHz

The CAS latency of CL19 at the rated 2666 MHz speed determines timing compatibility with the DS1520+ memory controller. Matching this specification ensures the NAS recognises the module and runs it at the correct frequency.

Highlights

  • 8GB capacity expands NAS multitasking headroom
  • DDR4 2666 speed matches DS1520+ spec
  • CL19 latency and 1.2V voltage keep power draw low
  • 260-pin SODIMM form factor fits the DS1520+ slot
  • JEDEC and RoHS compliance ensures warranty-safe upgrade

Specifications

BrandOWC
Part Number2S6D42R808GB
Capacity8GB
Type260-Pin DDR4 Non-ECC SODIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemSynology DiskStation DS1520+

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Questions about this item

Is the 8 GB module the only capacity offered for this Synology DS1520+ upgrade?

Yes, this specific part number is a single 8 GB SODIMM; the DS1520+ has two slots, so you can add one or two of these modules depending on your target total.

What does the 2666 MHz rating actually deliver inside a DS1520+?

The module runs at 2666 MHz CL19 at 1.2 V; the DS1520+ memory controller will operate it at that speed, giving the full DDR4 2666 bandwidth for the NAS workload.

Does the 260-pin DDR4 SODIMM interface limit anything in practice?

The 260-pin DDR4 SODIMM form factor is the standard laptop/NAS slot; it fits the DS1520+ sockets directly and is backward compatible with 2400 MHz and 2133 MHz systems if moved elsewhere.

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