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NEMIX RAM
NEMIX RAM 64GB (2x32GB) DDR4 2666 PC4-21300 CL19 UDIMM Dell Precision 3930 Rack memory upgrade
A 64 GB dual-channel DDR4 2666 kit of two 32 GB unbuffered UDIMMs validated for the Dell Precision 3930 Rack workstation
- Capacity64GB (2 x 32GB)
- SpeedDDR4 2666 (PC4 21300)
- ECCNo
- Buffered/RegisteredUnbuffered
- ChipsetMajor OEM Samsung, Micron, Hynix
- Voltage1.20V
- 64GB total capacity across two 32GB modules for demanding workloads
- DDR4 2666 speed with CL19 latency for responsive system performance
- 20V operation reduces power draw and heat output
- 288-pin UDIMM form factor fits Dell Precision 3930 Rack workstations
- Non-ECC unbuffered design using major OEM chips for reliable compatibility
Dell Precision 3930 Rack memory kit
This 64 GB kit supplies two 32 GB DDR4 2666 UDIMMs built for the Dell Precision 3930 Rack workstation. It targets IT professionals and power users who need maximum capacity in that specific platform without registered or ECC modules. The unbuffered design keeps latency low for standard desktop workloads. Buyers requiring ECC error correction or registered signal buffering must look elsewhere.
Thermals and power profile
Each module runs at the standard 1.2 V DDR4 voltage, so power draw stays within typical unbuffered limits for 2666 MT/s operation. No heat spreader is fitted, relying on chassis airflow to keep the Samsung, Micron or Hynix ICs cool under sustained load. Noise is unaffected because the sticks add no active cooling. Systems with restricted airflow should verify case ventilation before installing a full four-module population.
Package contents and practical impact
The box delivers exactly two 288-pin 2Rx8 UDIMMs totalling 64 GB, ready for immediate installation in the validated Dell workstation. No software, drivers or configuration utilities are included or required; the memory is detected automatically at POST. The lifetime replacement warranty backs the modules against defects. Users needing capacities beyond 64 GB or speeds above 2666 MT/s will need a different platform or qualified kit.
商品特色
- 64GB total capacity across two 32GB modules for demanding workloads
- DDR4 2666 speed with CL19 latency for responsive system performance
- 20V operation reduces power draw and heat output
- 288-pin UDIMM form factor fits Dell Precision 3930 Rack workstations
- Non-ECC unbuffered design using major OEM chips for reliable compatibility
商品規格
| Brand | NEMIX RAM |
|---|---|
| Series | Dell Server/Workstation Compatible Series Memory |
| Model | Dell DDR4 2666MHZ Non-ECC Unbuffered UDIMM |
| Part Number | MD21300-328K2 |
| Capacity | 64GB (2 x 32GB) |
| Speed | DDR4 2666 (PC4 21300) |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.20V |
| Compatible System | Dell |
| CAS Latency | CL19 |
| Heat Spreader | No |
| Type | 288-Pin DDR4 UDIMM |
| Rank | 2Rx8 |
| Features | DDR4 Non- ECC Unbuffered UDIMM Motherboard Compatible |
| Package Content | 64GB (2X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 288-PIN Non-ECC Unbuffered UDIMM KIT |
商品問答
How do I install the 288-pin DDR4 UDIMM modules in the Dell Precision 3930 Rack and which step is often missed?
Power off and unplug the workstation, open the chassis, align each 32 GB module's notch with the slot key, press firmly until both retention clips click, then verify the firmware recognises the full 64 GB at 2666 MT/s — the step most people skip is reseating both sticks if the system only shows 32 GB on first boot.
What maintenance or replacement will the 2Rx8 unbuffered DDR4 kit need over its service life?
No scheduled maintenance is required; keep interior dust-free and ensure airflow stays unobstructed so the 1.2 V modules run within thermal limits, and replace only if a module fails — the lifetime replacement warranty covers defective units.
What limit appears first when the 64 GB kit runs sustained workloads at CL19 2666 MT/s?
The DDR4 2666 bandwidth ceiling of PC4-21300 is reached before voltage or thermal throttling becomes an issue, so prolonged heavy traffic maxes out throughput at the rated transfer rate rather than triggering down-clocking.
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