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Two green DDR4 DIMMs with gold contacts, 288-pin registered ECC memory kit

Computer Memory Solutions

Computer Memory Solutions 32GB (2x16GB) DDR4 2133MHz ECC Registered DIMM Z840 B5

SKU CH-0D1K-PBFJW

32 GB DDR4 ECC registered kit (2 × 16 GB) at 2133 MHz CL15 for HP Z840 workstations

  • Capacity32GB (16 x 2GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Timing15-15-15
  • Voltage1.2V
  • 32 GB total capacity from two 16 GB modules
  • ECC registered design protects data integrity in critical workloads
  • DDR4-2133 speed rated at PC4-17000 with CL15 timing
  • Low 1.2 V operation reduces power draw and heat
  • Qualified for HP Z840 workstation with up to 256 GB registered ECC support

Z840 ECC registered memory kit

This 32 GB kit contains two 16 GB DDR4 2133 MHz ECC registered DIMMs built for the HP Z840 workstation. Registered buffering and error correction protect data integrity in server workloads. The modules run at 1.2 V with CL15 timing and a 2Rx4 rank layout.

Check CPU memory speed and slot plan

The Z840 clocks memory to the installed processor's maximum supported rate; an 1866 MHz capable CPU will limit these modules to 1866 MHz. For single-DIMM-per-channel population the white slots must be filled first. Verify the processor model and current DIMM count before ordering.

Upgrades non-ECC or lower-capacity RDIMMs

Replaces unbuffered non-ECC modules or smaller registered DIMMs when the workload demands error correction and higher density. The jump is worth it for Z840 configurations that need up to 256 GB of registered ECC memory or 512 GB with LRDIMMs across 16 slots. Not for systems that require unbuffered memory or consumer platforms without ECC support.

Puntos fuertes

  • 32 GB total capacity from two 16 GB modules
  • ECC registered design protects data integrity in critical workloads
  • DDR4-2133 speed rated at PC4-17000 with CL15 timing
  • Low 1.2 V operation reduces power draw and heat
  • Qualified for HP Z840 workstation with up to 256 GB registered ECC support

Especificaciones

BrandComputer Memory Solutions
ModelCM2048722133ECCREG
Capacity32GB (16 x 2GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Timing15-15-15
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor Brand Chipset
Heat SpreaderBased on Current Inventory (If Required Please Contact)
Compatible SystemHp/Compaq Workstation Z840
Package Content2 Memory RAM Sticks

Preguntas sobre este artículo

Does the kit include both 16GB modules or must I buy a second stick?

The package contains two 16GB DDR4 2133MHz ECC Registered DIMMs for a total of 32GB; no additional modules are required.

Should I choose the 2133MHz CL15 kit or a faster speed for my Z840?

Select the 2133MHz CL15 kit; the workstation will clock memory down to 1866MHz if the installed processor only supports that speed.

Will the 2133MHz rating run at that speed in a Z840 with a slower CPU?

The modules operate at up to 2133MHz, but the actual clock is set by the processor — an 1866MHz-capable CPU limits the system to 1866MHz.

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