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Single green 204-pin DDR3 SODIMM module with black memory chips no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM5126412800SOSRH 4GB DDR3 1600MHz CL11 1.5V SODIMM memory upgrade

SKU CH-WM4J-MWQZ3

4GB DDR3 1600MHz CL11 1.5V SODIMM module validated for Synology RackStation RS2416RP+ compatibility

  • Total capacity4 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.5 V
  • 4GB capacity expands Synology RS2416RP+ memory
  • DDR3 1600MHz speed matches system specification
  • CL11 latency at 1.5V standard voltage
  • 204-pin SODIMM form factor fits laptop-style slot
  • Single 4GB module for simple single-slot upgrade

Synology RS2416RP+ memory upgrade

This 4 GB DDR3 SODIMM is built for the Synology RackStation RS2416RP+ and fits its 204-pin slots. It adds a single module to systems that accept up to 6 GB across two sockets. Buyers using other NAS models or desktop boards should verify their own specifications first.

Low-voltage unbuffered operation

The stick runs at 1.5 V with CL11 timings and no heat spreader, keeping power draw modest inside the sealed chassis. Unbuffered, non-ECC chips avoid the extra latency of registered designs while staying within the platform's thermal envelope. Fan noise remains unchanged because the module adds negligible heat.

Single-stick kit simplifies expansion

Only one 4 GB module is supplied, so you populate a single slot and leave the second free for a future match. The major-brand chipset and lifetime exchange warranty cover manufacturing defects without relying on generic components. No software or additional accessories are included.

How it compares

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

Price $11.99
Cheaper than about 96% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $3.00 per GB
Cheaper than about 90% 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 nameComputer Memory Solutions
Model nameCM5126412800SOSRH
Total capacity4 GB
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsSynology RackStation RS2416RP+
In the box
Included items1 Memory RAM Stick

Questions about this item

How do I install the 204-Pin DDR3 SODIMM in the Synology RS2416RP+ and what step is often missed?

Power down the NAS, remove the cover, insert the module at an angle until the gold contacts are hidden, then press firmly until both side clips click; the step most people miss is fully seating the stick so the clips engage automatically.

What maintenance or replacement will this 4GB DDR3 1600MHz CL11 module need over time?

No routine maintenance is required; keep the NAS vents clear of dust so the unbuffered 1.5V stick stays cool, and replace it only if a memory error appears or you upgrade to the 6GB maximum across the two slots.

What limit appears first when the RS2416RP+ runs sustained workloads with this memory?

The system caps at 6GB total across two sockets, so capacity is the first ceiling you hit before bandwidth or latency become bottlenecks.

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