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Green DDR4 server memory module on circuit board

HPE Refurbished

HPE 726720-B21 16GB DDR4-2133 Load Reduced server accessory

SKU CH-9E8G-9KEC0 MPN 726720-B21

A 16GB DDR4-2133 load-reduced memory module with dual-rank x4 organisation and CAS-15-15-15 timing for HPE ProLiant Gen9 servers

  • Product colorGreen
  • 16GB capacity supports larger workloads per module
  • Dual Rank x4 organisation increases memory density
  • DDR4-2133 speed delivers 2133 MT/s data rates
  • CAS-15-15-15 timing reduces access latency
  • Load Reduced design lowers electrical load on the memory bus

HPE 16GB DDR4-2133 Load Reduced Kit

This HPE SmartMemory kit delivers 16GB in a single dual-rank module rated at DDR4-2133 with CAS-15-15-15 timings. It is built for HPE ProLiant Gen9 servers where qualified memory is required to unlock platform-specific reliability features. The load-reduced design helps signal integrity when populating many slots.

Sustained Load Behavior

Load-reduced architecture reduces electrical loading on the memory bus, allowing the server to maintain stability across fully populated channels during long-running virtualization or database workloads. The module operates at standard DDR4-2133 speed without downclocking under typical sustained throughput.

Upgrade Context

This kit replaces lower-capacity registered DIMMs when the platform needs higher density per slot to reach maximum memory configurations. It is not suited for systems that require standard registered modules instead of load-reduced variants, or for desktop and workstation platforms that do not support LRDIMM technology.

How it compares

Measured against everything we stock in Drive Cages & Server Add-Ons, at today’s prices. Recalculated every night.

Price $104.99
Pricier than about 62% of the 1,119 comparable items (median $74.99).

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Specifications

Product
Brand nameHPE
Product typeOther
Product colorGreen
Size & build
Shipping weight2.31 kg
Package size292 × 188 × 178 mm

Questions about this item

How much heat and power does the 16GB DDR4-2133 Load Reduced DIMM add when the server runs all day?

The Load Reduced design lowers electrical load on the memory bus, which helps reduce power draw and heat output compared with standard registered DIMMs at the same 2133 MT/s speed.

What must the server already provide for the 726720-B21 kit to operate?

An available DDR4 DIMM slot that supports 2133 MT/s, dual-rank x4 Load Reduced modules and HP SmartMemory qualification, as found in ProLiant Gen9 platforms.

Will the 16GB DDR4-2133 CAS-15-15-15 module run at its rated speed alongside slower DDR4 DIMMs already installed?

The system will clock all populated channels to the lowest common speed, so the 2133 MT/s module will downshift to match the slower DIMMs.

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