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Single green 288-pin DDR4 module with black chips, no heat spreader

HP

HP 726722-B21 32GB DDR4 2133 CL15 Load Reduced memory upgrade

SKU CH-6D4B-5FB2C MPN 726722-B21

32 GB DDR4 2133 CL15 load-reduced module for compatible HP/Compaq servers

  • Total capacity32 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Memory timings15-15-15
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • 32 GB capacity expands server memory headroom
  • DDR4 2133 MHz speed supports high-throughput workloads
  • CL15 latency keeps response times tight
  • Load Reduced design reduces electrical load on the memory bus
  • 288-pin registered module fits compatible HP server slots

HP 32GB Load Reduced DDR4 module

This 32GB DDR4 module is built for HP and Compaq server platforms that require registered, load-reduced memory. It installs as a single 288-pin DIMM and operates at 1.20V to match the platform power envelope. The quad-rank x4 organisation suits workloads that benefit from high density per slot.

32GB capacity at DDR4 2133 CL15

Running at 2133 MT/s with 15-15-15 timing, the module delivers 17000 MB/s peak bandwidth for memory-bound server tasks. The load-reduced design lowers electrical loading on the memory bus, allowing larger configurations than standard registered DIMMs. Capacity headroom ends at the platform's maximum supported memory per socket.

Single-module kit with no heat spreader

The kit contains one 32GB DIMM without a heat spreader, relying on server chassis airflow for cooling. No additional cables, brackets or software utilities are bundled. The minimal package keeps weight and slot height low for dense blade or rackmount chassis.

How it compares

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

Price $201.99
Cheaper than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $6.31 per GB
Cheaper than about 62% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameHP
Model name726722-B21
Total capacity32 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
Memory timings15-15-15
Buffer typeLoad Reduced
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight2.27 kg
Package size127 × 127 × 127 mm
Compatibility
Compatible systemsHP/Compaq

Questions about this item

Will this 288-Pin DDR4 2133 module run alongside my existing DDR4 2133 CL15 sticks?

Yes, it shares the same 2133 MHz speed, CL15 latency and 1.20 V voltage, so it will operate at the common JEDEC profile without manual tuning.

How can I verify the 32 GB Load Reduced module is recognised at full speed after installation?

Open the server BIOS or UEFI and confirm the slot shows 32 GB, 2133 MT/s, CL15-15-15 timings and 1.20 V with Load Reduced mode enabled.

Does the 726722-B21 kit include a heat spreader or any extra brackets?

The kit contains only the single 32 GB 288-Pin DDR4 Load Reduced module; no heat spreader or mounting hardware is supplied.

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