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A-Tech
A-Tech 8GB DDR4 2666MHz ECC UDIMM 1Rx8 for HP 3TQ39AA 3TQ39AT 4UY11UT 879505-B21 879526-091 Server RAM
8GB DDR4 2666MHz ECC UDIMM with CL19 latency and 1.20V operation for compatible HP servers
- Capacity8GB
- SpeedDDR4 2666 (PC4 21300)
- CAS LatencyCL19
- Voltage1.20V
- ECCYes
- Buffered/RegisteredUnbuffered
- ECC protection guards data integrity on critical workloads
- 2666 MHz DDR4 speed lifts server responsiveness
- 2 V standard voltage reduces power draw per module
- 288-pin UDIMM form factor fits compatible HP server slots
- 8 GB single-rank capacity expands memory for multitasking
HP server memory upgrade
This 8GB DDR4 2666MHz ECC UDIMM module replaces HP part numbers 3TQ39AA, 3TQ39AT, 4UY11UT, 879505-B21 and 879526-091. It targets administrators maintaining compatible HP server or workstation platforms that require unbuffered ECC memory. The single-rank 1Rx8 organisation suits systems populated with one module per channel.
Standard voltage and error correction
Operating at 1.20V, the module runs at the DDR4 standard voltage without elevated power draw. CL19 latency and the 1Rx8 layout deliver predictable timing for typical server workloads. On-die ECC detects and corrects single-bit errors, protecting data integrity in always-on environments while the unbuffered design keeps the signal path direct.
Capacity step for supported platforms
The 8GB density upgrades systems currently running 4GB modules or fills empty DIMM slots on qualified HP motherboards. The jump is worthwhile when the platform supports DDR4 2666 speeds and the workload benefits from additional ECC-protected capacity. Builders needing registered RDIMM modules or speeds beyond 2666MHz should verify platform requirements before ordering.
Puntos fuertes
- ECC protection guards data integrity on critical workloads
- 2666 MHz DDR4 speed lifts server responsiveness
- 2 V standard voltage reduces power draw per module
- 288-pin UDIMM form factor fits compatible HP server slots
- 8 GB single-rank capacity expands memory for multitasking
Especificaciones
| Brand | A-Tech |
|---|---|
| Capacity | 8GB |
| Speed | DDR4 2666 (PC4 21300) |
| CAS Latency | CL19 |
| Voltage | 1.20V |
| ECC | Yes |
| Buffered/Registered | Unbuffered |
| Rank | 1Rx8 |
| Chipset | Major Brand Chipset |
| Features | Major Brand Chips |
Preguntas sobre este artículo
How do I install this 288-pin DDR4 ECC UDIMM in my HP server?
Power off the server, open the chassis, align the module notch with the slot key, press firmly until both retention clips click, then verify 2666 MHz speed and ECC status in BIOS.
Will the ECC error-correction or major-brand chips on this module degrade and need replacement?
ECC corrects single-bit errors continuously; the major-brand chips and 1.20 V operation are rated for the server's service life with no scheduled replacement interval.
What thermal or voltage limit appears first when this 1Rx8 module runs at 2666 MHz under sustained load?
The JEDEC-standard 1.20 V ceiling is reached before any thermal throttle point during continuous 2666 MHz operation.
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