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Green 288-pin DDR4 DIMM with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM2048722400ECCNR 16GB DDR4 2400MHz ECC Non-Registered DIMM memory upgrade

SKU CH-HMN4-8SATN

16GB DDR4 2400MHz ECC non-registered DIMM for Synology RackStation RS2418+ and RS2418RP+ systems

  • Total capacity16 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL17
  • Memory timings17-17-17
  • Rated voltage1.2 V
  • 16 GB capacity doubles usable memory for Synology RackStation RS2418+/RS2418RP+
  • ECC protection detects and corrects single-bit errors to safeguard data integrity
  • DDR4 2400 MHz CL17 timing delivers responsive throughput for NAS workloads
  • 2 V operation reduces power draw and heat inside the enclosure
  • 288-pin unregistered DIMM fits the four native memory slots without adapters

Synology RackStation DDR4 upgrade

This 16 GB DDR4 2400 MHz module is built for Synology RackStation RS2418+ and RS2418RP+ systems. It delivers ECC error correction on an unregistered 288-pin DIMM, matching the platform’s supported memory architecture. The single-stick design allows straightforward capacity expansion up to the system maximum.

ECC non-registered DIMM benefit

ECC protection detects and corrects single-bit errors without the latency penalty of registered buffering, preserving data integrity for NAS workloads. The 1.2 V operating voltage aligns with standard DDR4 power envelopes. CL17 17-17-17 timings provide the rated DDR4-19200 throughput for the validated platforms.

16 GB per slot ceiling

Each of the four memory slots accepts up to 16 GB, so this module fills one slot at the maximum per-slot capacity. Builders needing more than 64 GB total or wishing to populate additional slots with different densities must verify compatibility separately.

How it compares

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

Price $70.99
Cheaper than about 72% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $4.44 per GB
Cheaper than about 82% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM2048722400ECCNR
Total capacity16 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 RS2418+/RS2418RP+
In the box
Included items1Memory Ram Stick

Questions about this item

Will the 16GB DDR4-2400 ECC module require any firmware updates or special configuration on the Synology RS2418+?

The module is guaranteed compatible with the RS2418+ and RS2418RP+; install it in one of the four DIMM slots and the NAS will recognise the 16 GB capacity automatically.

What capacity ceiling will I hit first if I keep adding identical sticks to the RS2418+?

The platform supports a maximum of 64 GB across its four sockets, so four 16 GB modules reach that limit.

How much heat and power does the 1.2 V unregistered DIMM add when the NAS runs continuously?

Operating at 1.2 V without a heat spreader, the stick draws minimal power and relies on the chassis airflow for cooling.

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