A-Tech 8GB DDR4 2666 ECC RDIMM 1Rx4 Server Memory
8GB DDR4 2666MHz ECC registered DIMM for server and workstation upgrades
- Total capacity8 GB
- Rated speedDDR4 2666 (PC4 21300)
- ChipsetMicron Chipset
- CAS latencyCL19
- Rated voltage1.2 V
- Buffer typeRegistered
- ECC protection prevents data corruption with registered DDR4 architecture
- 2666 MHz speed accelerates server workloads at PC4-21300 bandwidth
- 8 GB capacity expands memory for demanding multi-tasking environments
- 20 V operation reduces power draw in dense deployments
- 1Rx4 single-rank design optimises signal integrity on 288-pin DIMM slots
A-Tech 8GB DDR4 2666 ECC RDIMM
This 8GB registered ECC module runs at DDR4 2666 (PC4-21300) with CL19 latency and 1.20V operation. It is built as a compatible replacement for Micron MTA18ASF1G72PZ-2G6B1 and MTA18ASF1G72PZ-2G6F1 server memory. The 1Rx4 organisation suits single-socket and multi-socket platforms that require registered DIMMs. System administrators upgrading compatible workstations or rack servers will find the specifications match the original Micron parts.
Thermals noise and power draw
DDR4 standard voltage of 1.20V keeps power draw low per module in typical server workloads. Registered buffering reduces electrical load on the memory controller, which helps maintain stable temperatures inside dense chassis. Passive cooling via system airflow is sufficient; no active fan or heatsink is required on the module itself. Acoustic impact is negligible because the component has no moving parts.
What the bundle changes
The package contains only the 288-pin DIMM; no additional cables, brackets or software licences are included. Compatibility is verified against the two Micron part numbers listed, so the practical change is a direct drop-in replacement when the system supports ECC RDIMM 1Rx4 modules. Buyers who need unbuffered UDIMM, LRDIMM or higher-capacity 2Rx4/4Rx4 configurations cannot use this module.
How it compares
Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.
- Price $40.99
- Cheaper than about 87% of the 6,523 comparable items (median $188.99).
- Total capacity 8 GB
- Lower than about 80% of the 6,064 comparable items (median 32 GB).
- Price per GB $5.12 per GB
- Cheaper than about 72% of the 6,064 comparable items (median $7.25 per GB).
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Specifications
| Product | |
|---|---|
| Brand name | A-Tech |
| Product line | Compatible Replacement for Micron |
| Model name | MTA18ASF1G72PZ-2G6B1, MTA18ASF1G72PZ-2G6F1 |
| Total capacity | 8 GB |
| Performance | |
| Rated speed | DDR4 2666 (PC4 21300) |
| Processor | |
| Chipset | Micron Chipset |
| Memory | |
| CAS latency | CL19 |
| ECC support | Yes |
| Buffer type | Registered |
| Memory rank | 1Rx4 |
| Power | |
| Rated voltage | 1.2 V |
Questions about this item
How do I install this 288-pin DDR4 RDIMM and what step is commonly missed?
Align the notch on the module with the slot key, press firmly until both retention clips click; the step often missed is fully seating both ends so the clips lock automatically.
What maintenance or replacement will this 1Rx4 ECC module need over time?
No routine maintenance is required; if a correctable error count rises or the system logs uncorrectable ECC events, replace the module.
What limit appears first when this CL19 1.20V registered DIMM runs sustained workloads?
The memory controller's thermal throttle point or maximum supported capacity per channel is typically reached before the module's own timing or voltage limits.
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