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Two green DDR3L SO-DIMM sticks in anti-static bag

Computer Memory Solutions

Computer Memory Solutions CM5126412800SOSRL 8GB (2x4GB) DDR3L 1600 Synology DiskStation DS218+ memory upgrade

SKU CH-7NAT-PCP1C

A dual-stick 8 GB DDR3L 1600 kit built for Synology DiskStation DS218+ NAS units

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.35 V
  • 8 GB kit expands DS218+ capacity to 16 GB
  • DDR3L 1600 MHz speed matches system specification
  • 35 V low-voltage modules reduce power draw
  • CL11 11-11-11 timings deliver responsive performance
  • 204-pin SO-DIMM form factor fits DS218+ slots

Synology DS218+ 8GB DDR3L Kit

This 8GB kit contains two 4GB DDR3L SO-DIMM modules built for the Synology DiskStation DS218+. The memory runs at 1600MHz with CL11 timing and operates at a low 1.35V. Unbuffered, non-ECC chips and a 204-pin form factor match the NAS specifications exactly.

NAS owners adding capacity

The kit suits DS218+ owners who want to reach the 16GB maximum across the two available slots. Builders working on different Synology models, desktop PCs, or laptops should verify their own platform requirements because this kit is validated only for the DS218+.

DDR3L 1600 CL11 at 1.35V

The decisive specification is DDR3L 1600 (PC3L 12800) with CL11 latency at 1.35V. Systems that need a different DDR generation, a higher voltage, registered DIMMs, or ECC support will not accept these modules.

How it compares

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

Price $83.99
Cheaper than about 70% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $10.50 per GB
Pricier than about 54% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126412800SOSRL
Total capacity8 GB (2 × 4 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsSynology DiskStation DS218+
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will this 204-Pin DDR3L 1600 kit run reliably inside my Synology DiskStation DS218+ alongside any existing 1.35V modules?

The kit is built for the DS218+ and uses 1.35V DDR3L SO-DIMMs, so it matches the voltage and pin-out of the factory memory.

How can I confirm the CL11 1Rx8 sticks are recognised at the correct 1600 MHz speed after installation?

Open DSM Control Panel, choose Info Center, and check that the memory section shows 8 GB running at 1600 MHz with CL11 timing.

Does the box contain only the two 4 GB SO-DIMMs or are tools and thermal pads included?

The package includes the two 4 GB DDR3L SO-DIMM sticks; no screwdriver, thermal pads or additional accessories are supplied.

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