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Four green DDR4 memory sticks with black chips no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM2048722400ECCNR 64GB (4x16GB) DDR4 2400 ECC

SKU CH-HKWB-NKVSX

Four 16 GB DDR4 2400 ECC unregistered DIMMs totalling 64 GB, validated for Synology RackStation RS2818RP+

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL17
  • Memory timings17-17-17
  • Rated voltage1.2 V
  • 64 GB total capacity across four 16 GB modules
  • ECC protection detects and corrects single-bit memory errors
  • Validated for Synology RackStation RS2818RP+ systems
  • DDR4 2400 speed with CL17 latency timing
  • Low 1.2 V operation reduces power consumption

Synology RackStation RS2818RP+ memory kit

This 64 GB kit contains four 16 GB DDR4 modules validated for the Synology RackStation RS2818RP+. It fills all four DIMM slots and reaches the system's maximum supported capacity. The unregistered ECC design matches the platform's requirements for data integrity in network storage workloads.

DDR4 2400 CL17 ECC specification

Each module runs at 2400 MHz with CL17 timings at 1.2 V. The 2Rx8 organisation and 288-pin DDR4 form factor are the exact electrical and mechanical match the RS2818RP+ memory controller expects. Error-correcting code protects stored data against single-bit errors without needing registered buffering.

Four-module kit for full population

Installing all four sticks completes the memory array in one step and leaves no empty slots for later expansion. The low-profile design without a heat spreader fits the tight clearances inside the rackmount chassis. No additional configuration is required beyond seating the modules in the four available sockets.

How it compares

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

Price $438.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $6.86 per GB
Cheaper than about 58% 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 nameCM2048722400ECCNR
Total capacity64 GB (4 × 16 GB)
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL17
Memory timings17-17-17
ECC supportYes
Buffer typeUnregistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSynology RackStation RS2818RP+
In the box
Included items4 Memory RAM Sticks

Questions about this item

How much usable memory does the 64GB kit provide in a Synology RackStation RS2818RP+?

The kit fills all four slots with 16GB modules, giving the full 64GB maximum the RS2818RP+ supports.

What does the DDR4 2400 (PC4 19200) rating limit in this system?

The modules run at 2400 MHz with CL17 timing; the memory controller in the RS2818RP+ caps the data rate at that speed.

Will the 288-pin unregistered DIMMs fit the RS2818RP+ memory slots?

Yes — the kit uses standard 288-pin DDR4 DIMMs, which match the four slots in the RS2818RP+.

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