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Two green DDR4 DIMM sticks, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions 32GB (2x16GB) DDR4 2400 ECC DIMM memory upgrade Synology RS2418+ D29

SKU CH-NPH8-ZGQ17

32 GB kit of two 16 GB DDR4 2400 ECC unregistered DIMMs for Synology RackStation RS2418+ and RS2418RP+

  • Capacity32GB (2 x 16GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Timing17-17-17
  • Voltage1.2V
  • ECC protection guards data integrity on Synology RS2418+/RS2418RP+
  • 32 GB kit (2 × 16 GB) expands NAS to 64 GB maximum
  • DDR4 2400 MHz CL17 timing keeps throughput steady
  • Unregistered 288-pin DIMMs install directly in four memory slots
  • 2 V low-voltage operation reduces heat in rack chassis

Synology RS2418+ 32GB DDR4 ECC kit

This 32GB kit contains two 16GB DDR4 ECC unregistered DIMMs built for Synology RackStation RS2418+ and RS2418RP+ systems. It targets administrators who need to expand NAS memory for virtualization or heavy multi-user workloads. The modules run at 2400MHz with CL17 timings at 1.2V.

DDR4 2400 ECC unregistered ceiling

The platform accepts DDR4 2400 ECC unregistered DIMMs up to 64GB total across four slots, so this kit fills half the maximum capacity. Faster modules will downclock to 2400MHz, and registered or load-reduced DIMMs are not supported by the memory controller. Mixing non-ECC sticks disables error correction across the channel.

2Rx8 16GB density per slot

Each 16GB module uses a 2Rx8 organisation, which matches the density the RS2418+ memory controller expects for full-speed operation. Installing 32GB single-rank or 8GB dual-rank sticks instead can reduce bandwidth or prevent the system from posting. This kit guarantees the correct rank structure for the validated platform.

Highlights

  • ECC protection guards data integrity on Synology RS2418+/RS2418RP+
  • 32 GB kit (2 × 16 GB) expands NAS to 64 GB maximum
  • DDR4 2400 MHz CL17 timing keeps throughput steady
  • Unregistered 288-pin DIMMs install directly in four memory slots
  • 2 V low-voltage operation reduces heat in rack chassis

Specifications

BrandComputer Memory Solutions
ModelCM2048722400ECCNR
Capacity32GB (2 x 16GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Timing17-17-17
Voltage1.2V
ECCYes
Buffered/RegisteredUnregistered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemSynology RackStation RS2418+/RS2418RP+
Package Content2 Memory RAM Sticks

Questions about this item

Should I pick the 32 GB kit or fill all four slots to reach 64 GB?

The RS2418+ supports up to 64 GB across four slots; this 32 GB kit uses two 16 GB modules leaving two slots free for a future upgrade.

What does the 2400 MHz rating mean once the modules are installed in the RS2418+?

The system will run the memory at 2400 MHz with CL17 timings at 1.2 V, delivering the rated DDR4-19200 bandwidth.

Is this DDR4 ECC DIMM registered or unregistered, and does that matter for the RS2418+?

These are unregistered ECC DIMMs, which is the type the RS2418+ requires; registered modules would not be compatible.

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