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Green rectangular memory module with gold edge connector and black chips

AddOn

AddOn 40758-091-AM 32GB DDR4-2666 CL17 ECC RDIMM server RAM

SKU CH-QH2Q-25MSM MPN 40758-091-AM

32 GB DDR4-2666 registered ECC RDIMM with CL17 latency and 1.2 V operation for compatible HP servers

  • Capacity32GB
  • Type288-Pin DDR4 RDIMM
  • CAS LatencyCL17
  • Voltage1.20V
  • ECCECC
  • ECC protection prevents data corruption with built-in error correction
  • Registered design improves signal integrity for stable server operation
  • 32 GB capacity expands memory headroom for virtualisation workloads
  • DDR4-2666 speed delivers 2666 MT/s bandwidth at 1.2 V
  • HP 840758-091 compatibility ensures drop-in fit for qualified platforms

32GB DDR4-2666 ECC RDIMM

This 32GB DDR4-2666MHz registered ECC module targets administrators expanding HP server memory. The dual-rank x4 design delivers error correction for data integrity in virtualisation and database workloads. It operates at a standard 1.2V across 288 pins with CL17 latency.

Capacity and headroom

A single 32GB stick adds substantial headroom for multi-tenant VMs and in-memory analytics. Dual-rank organisation keeps bandwidth high while leaving DIMM slots free for further growth. Workloads exceeding 32GB per channel will require additional modules.

Thermals noise and power

Registered buffering and 1.2V operation keep heat output low inside dense chassis. Passive cooling via system airflow is sufficient; no active fan is present on the module. Power draw remains modest, matching standard DDR4 RDIMM profiles.

Points forts

  • ECC protection prevents data corruption with built-in error correction
  • Registered design improves signal integrity for stable server operation
  • 32 GB capacity expands memory headroom for virtualisation workloads
  • DDR4-2666 speed delivers 2666 MT/s bandwidth at 1.2 V
  • HP 840758-091 compatibility ensures drop-in fit for qualified platforms

Caractéristiques

BrandAddOn - Memory Upgrades
Model40758-091-AM
Part Number40758-091-AM
Capacity32GB
Type288-Pin DDR4 RDIMM
CAS LatencyCL17
Voltage1.20V
ECCECC
Poids d’expédition0.23 kg
Dimensions du colis178 × 51 × 51 mm

Questions sur cet article

Will this 288-pin DDR4 RDIMM run in a server that already has 2666 MHz ECC modules installed?

Yes — the module operates at 2666 MHz, 1.2 V, CL17 and uses the same 288-pin RDIMM form factor, so it will match existing DDR4-2666 ECC RDIMMs.

How can I confirm the 32 GB dual-rank x4 module is detected correctly after installation?

Check the BIOS or UEFI memory information screen; it should show 32 GB, DDR4-2666, ECC registered, dual-rank x4 organisation.

Does the box contain anything besides the single 32 GB memory module?

No — the package includes only 1x memory module; no extra cables, brackets or documentation are supplied.

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