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Green 204-pin DDR3 SODIMM module with black chips

OWC

OWC 1S6D32R808GB 8GB DDR3 1600 CL11 2Rx8 1.5V SODIMM Synology memory upgrade

SKU CH-59RS-K4R59

Adds 8 GB of DDR3 1600 CL11 memory to compatible Synology DiskStation NAS units

  • Total capacity8 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • CAS latencyCL11
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8
  • 8GB capacity lets Synology NAS handle larger workloads
  • DDR3 1600 speed matches PC3-12800 spec for supported DiskStation models
  • CL11 latency and 1.5V voltage meet JEDEC standard for stable operation
  • 2Rx8 dual-rank 204-pin SODIMM fits RS815RP+, DS2015xs, DS2415+, RS2416+, RS2416RP+
  • Non-ECC unbuffered design installs easily without configuration changes

Synology-validated DDR3 SODIMM

This OWC 8GB DDR3 1600 CL11 module is built for specific Synology DiskStation models including RS815RP+, DS2015xs, DS2415+, RS2416+ and RS2416RP+. It arrives as a single 204-pin unbuffered Non-ECC SODIMM rated at 1.5V with a 2Rx8 organisation. The JEDEC-standard PC3-12800 stick is designed to meet OEM specifications for a warranty-safe capacity increase.

Suits listed Synology NAS.

Administrators running the compatible DiskStation units can install this stick to raise usable memory for virtual machines, Docker containers or heavy multi-user file serving. The module is Non-ECC and unbuffered, so it will not satisfy systems that require error-correcting or registered memory. Buyers whose hardware demands ECC DDR3 or a different pin count must choose another part.

8GB DDR3 1600 CL11 1.5V Non-ECC SODIMM

The decisive specification is the 8GB DDR3 1600 CL11 1.5V Non-ECC 204-pin SODIMM profile matched to the five Synology models named above. If your DiskStation appears on that list and accepts a single 8GB unbuffered module, this upgrade will function; otherwise the physical and electrical mismatch prevents installation.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $26.99
Cheaper than about 87% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $3.37 per GB
Cheaper than about 88% of the 20,941 comparable items (median $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 number1S6D32R808 GB
Total capacity8 GB
Product type204-Pin DDR3 Non-ECC SODIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Memory
CAS latencyCL11
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsSynology DiskStation RS815RP+
Synology DiskStation DS2015xs
Synology DiskStation DS2415+
Synology DiskStation RS2416+
Synology DiskStation RS2416RP+

Questions about this item

How do I install the 204-pin DDR3 SODIMM in my Synology DiskStation RS815RP+ and what step is often missed?

Power off the unit, unplug it, open the chassis, align the notch on the 204-pin module with the slot key, press firmly until the side clips click, then reassemble; the step often missed is verifying both retaining clips have fully engaged before closing the case.

What maintenance or replacement will this 8GB DDR3 1600 CL11 module need over time?

No scheduled maintenance is required; keep the NAS vents clear of dust so the 1.5V module stays cool, and replace it only if memory errors appear or you need more than 8GB capacity.

What limit appears first when the Synology DS2415+ runs sustained workloads with this memory?

The 8GB capacity ceiling is reached before the DDR3 1600 bandwidth or CL11 latency becomes a bottleneck, so heavy multitasking or large file caches will hit the size limit first.

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