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NEMIX RAM
NEMIX RAM 256GB (8x32GB) DDR4 2666 PC4-21300 ECC RDIMM memory upgrade for Synology SA6400
256 GB DDR4 ECC registered memory kit with eight 32 GB modules at 2666 MHz for Synology SA6400 NAS
- Capacity256GB (8 x 32GB)
- SpeedDDR4 2666 (PC4 21300)
- ECCYes
- Buffered/RegisteredRegistered
- ChipsetMajor OEM Samsung, Micron, Hynix
- Voltage1.20V
- 256 GB total capacity across eight 32 GB modules
- DDR4 2666 speed rated at PC4-21300
- ECC registered RDIMM protects data integrity
- 2 V operation reduces power draw
- 288-pin 2Rx4 design fits Synology SA6400
Synology SA6400 256GB DDR4 kit
This 256GB kit contains eight 32GB DDR4 2666 registered ECC RDIMMs built for the Synology SA6400 NAS. It targets administrators who need maximum supported memory capacity for virtualization, large file caches or heavy multi-user workloads on that specific platform.
Registered ECC RDIMM build
Each module is a 288-pin DDR4 RDIMM with 2Rx4 organisation, CL19 latency and 1.20V operation. Registered buffering and on-die ECC protect data integrity under sustained load, while the standard DDR4 voltage keeps power draw predictable in a densely populated chassis. No heat spreaders are fitted, so airflow across the DIMM slots remains unimpeded.
Upgrading from smaller kits
The kit replaces lower-capacity DDR4 2666 RDIMM sets when the SA6400 workload outgrows the installed memory. The jump is worth it when applications hit the current limit and the system can address the full 256GB across all eight slots. Buyers needing non-ECC memory or faster speeds should look elsewhere.
נקודות עיקריות
- 256 GB total capacity across eight 32 GB modules
- DDR4 2666 speed rated at PC4-21300
- ECC registered RDIMM protects data integrity
- 2 V operation reduces power draw
- 288-pin 2Rx4 design fits Synology SA6400
מפרט טכני
| Brand | NEMIX RAM |
|---|---|
| Series | Synology Compatible Series NAS Memory |
| Model | Synology DDR4 2666MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR21300-324K8 |
| Capacity | 256GB (8 x 32GB) |
| 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 | 2Rx4 |
| Features | DDR4 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 256GB (8X32GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT |
שאלות על הפריט הזה
What DDR4 speed and PC4 rating does this 256GB kit run at?
The kit operates at DDR4 2666 with a PC4-21300 data-rate, so peak bandwidth is capped at that specification.
What physical slot and pin count do the eight 32GB modules need?
Each module is a 288-pin DDR4 RDIMM, requiring eight available registered DIMM slots in the Synology SA6400.
How are the modules installed and what step is often missed?
Power down the NAS, open the chassis, insert each 2Rx4 1.20 V RDIMM until the ejector clips lock, then verify all eight modules appear in DSM before closing the case.
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