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Axiom
Axiom T9V40AA-AX 16GB DDR4 2400MHz CL17 ECC Registered DIMM server RAM
Adds 16 GB of DDR4 ECC registered memory at 2400 MHz with CL17 timing and 1.2 V operation
- ECC protection guards data integrity
- Registered signal processing stabilises heavy workloads
- DDR4 2400 MHz speed delivers 19200 MB/s bandwidth
- CL17 latency at 1.2 V keeps power draw low
- 288-pin DIMM fits HP Z440 Z640 Z840 workstations
Purpose-built server memory
The Axiom T9V40AA-AX is a single 16 GB DDR4 module designed for HP Z440, Z640 and Z840 workstations. It targets administrators who need registered ECC stability in a 2400 MHz DIMM.
Capacity and headroom
One 16 GB stick provides PC4-19200 bandwidth at CL17 latency. Registered signal processing and ECC error checking protect data integrity under sustained multi-threaded workloads, while the 1.2 V operating voltage limits power draw. The module fills one 288-pin slot and suits configurations that do not exceed the platform's maximum registered DIMM count.
DDR4-2400 interface limits
The DDR4-2400 standard caps transfer rates at 2400 MT/s, so throughput cannot scale beyond PC4-19200 regardless of CPU capability. Registered buffering adds a cycle of latency versus unbuffered alternatives, and the fixed CL17 timing prevents tighter manual tuning. Builders requiring higher frequencies or lower latencies must select a different memory standard.
Besonderheiten
- ECC protection guards data integrity
- Registered signal processing stabilises heavy workloads
- DDR4 2400 MHz speed delivers 19200 MB/s bandwidth
- CL17 latency at 1.2 V keeps power draw low
- 288-pin DIMM fits HP Z440 Z640 Z840 workstations
Technische Daten
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Fragen zu diesem Artikel
Will this 2400 MHz registered ECC DIMM run at full speed alongside slower DDR4 modules already in my HP Z440?
The module is rated for DDR4-2400/PC4-19200 at CL17; when mixed with slower DDR4 the system will clock all sticks down to the lowest common speed, so full 2400 MHz performance is only guaranteed if every installed DIMM supports that rate.
How can I confirm the 16 GB stick is detected with ECC active after installation?
Enter the workstation BIOS or UEFI and verify the memory summary shows 16 GB at 2400 MHz with ECC enabled; most HP Z440, Z640 and Z840 firmware also logs a successful ECC scrub during POST.
Does the single 288-pin DIMM ship with a heat-spreader or any installation hardware?
The package contains only the 1 x 16 GB registered ECC DIMM itself; no heat-spreader, screws or tools are included.
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