SK hynix HMA42GR7AFR4N-TF 16GB DDR4 2133MHz CL15 ECC Registered Dual Rank 1.2V 288-Pin Server RAM
- 16GB
- 288-Pin DDR4 SDRAM
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NEMIX RAM
16 GB DDR4 2666 ECC registered RDIMM for Synology FS3600 NAS, CL19 1.2 V 288-pin
This 16 GB DDR4-2666 ECC registered DIMM is validated for the Synology FlashStation FS3600 NAS. It targets administrators who need to expand system memory for heavier workloads or virtualization tasks. The module uses major OEM DRAM chips and is tested under load for stability in mission-critical environments.
The stick plugs into a standard 288-pin DDR4 RDIMM slot on the FS3600 motherboard and operates at 1.2 V. Registered buffering reduces electrical load on the memory controller, allowing larger total capacities than unbuffered DIMMs. Error-correcting code protects data integrity during sustained read-write cycles. No heat spreader is fitted, so airflow across the board must be maintained by the chassis fans.
Under continuous load the module runs at its rated 2666 MT/s with CAS latency 19, delivering predictable bandwidth for database and file-service workloads. ECC correction handles single-bit errors without interrupting operation. The 1Rx4 organisation keeps signal loading low, helping the controller maintain timing margins during prolonged activity.
| Brand | NEMIX RAM |
|---|---|
| Series | Synology Compatible Series NAS Memory |
| Model | Synology DDR4 2666MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR21300-614K1 |
| Capacity | 16GB |
| Speed | DDR4 2666 (PC4 21300) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.20V |
| Compatible System | Synology |
| CAS Latency | CL19 |
| Heat Spreader | No |
| Type | 288-Pin DDR4 RDIMM |
| Rank | 1Rx4 |
| Features | DDR4 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 16GB (1X16GB) DDR4 2666MHZ PC4-21300 1Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory |
CL19 is the rated latency at DDR4 2666 and remains the limiting factor during continuous operation.
The module operates at 1.20 V DDR4 standard voltage with no heat spreader, so power draw stays at the JEDEC baseline for 1Rx4 RDIMMs.
It is validated for the Synology FlashStation FS3600 and requires that system for guaranteed compatibility.
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