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Two green DDR4 DIMM sticks with gold contacts and black chips in clear packaging

Computer Memory Solutions

Computer Memory Solutions CM2048722133ECCREG 32GB DDR4 2133MHz ECC Registered DIMM

SKU CH-NXQB-H5HKB

A 32 GB DDR4 ECC registered DIMM kit running at 2133 MHz with CL15 timing, built for HP Z440 workstations

  • Total capacity32 GB (16 × 2 GB)
  • Rated speedDDR4 2133 (PC4 17000)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL15
  • Memory timings15-15-15
  • Rated voltage1.2 V
  • ECC registered design protects data integrity in critical workloads
  • 32 GB kit (2 × 16 GB) expands Z440 capacity toward 128 GB maximum
  • DDR4‑2133 CL15 timing matches platform specifications
  • 2 V operation reduces power draw per module
  • 288‑pin registered DIMM form factor fits Z440 memory slots

32GB DDR4 ECC Registered Kit

This 32GB kit contains two 16GB DDR4 ECC registered DIMMs running at 2133MHz with CL15 timing. It is built for the HP Z440 workstation and operates at 1.2V using a 288-pin interface. The registered design and ECC support target professional workloads that require data integrity and server-class stability.

Two-Module Population and Speed Scaling

The pair fills two of the eight available registered DIMM slots, leaving room to reach the platform maximum of 128GB. Actual operating speed follows the installed processor; an 1866MHz-capable CPU will clock the memory down to 1866MHz. White DIMM slots mark the first slot of each channel for correct single-DIMM-per-channel population.

Major Brand Chipset and Variable Heat Spreader

Modules use a major-brand chipset in a 2Rx4 organisation and may ship with or without a heat spreader depending on current inventory. The registered buffer reduces electrical load on the memory controller, supporting reliable operation in fully populated configurations. No additional accessories or software are included beyond the two DIMMs.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $115.99
Cheaper than about 66% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (16 × 2 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $3.62 per GB
Cheaper than about 86% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM2048722133ECCREG
Total capacity32 GB (16 × 2 GB)
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2133 (PC4 17000)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL15
Memory timings15-15-15
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderBased on Current Inventory (If Required Please Contact)
Power
Rated voltage1.2 V
Compatibility
Compatible systemsHp/Compaq Workstation Z440
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the 288-pin DDR4 DIMMs need any periodic maintenance or replacement during normal server operation?

No scheduled maintenance is required for the registered ECC modules; they are rated for continuous operation at 1.2 V with a limited lifetime warranty from the manufacturer.

What limit appears first when the kit runs at full 2133 MHz load in the Z440 workstation?

The processor’s memory controller caps the speed; with an 1866 MHz capable CPU the modules will clock down to 1866 MHz regardless of their 2133 MHz rating.

How much heat and power do the two 16 GB sticks draw when the workstation runs all day?

Each module operates at 1.2 V with CL15 15-15-15 timing; registered ECC DDR4 at this voltage typically stays cool under sustained load without active cooling.

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