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Green 288-pin DDR4 LRDIMM module with black chips

Brute Networks

Brute Networks 128GB DDR4-2933 4Rx4 1.2v ECC LRDIMM HP P19047-B21

SKU CH-G3R1-FV8JP

128 GB DDR4-2933 4Rx4 ECC load-reduced DIMM runs at 1.2 V for high-density server memory upgrades

  • Total capacity128 GB
  • Rated speedDDR3 2933 (PC3 23400)
  • ChipsetMajor Brand Chipset
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • Memory rank4Rx4
  • 128GB capacity supports dense virtualization workloads
  • DDR4-2933 speed delivers high memory bandwidth
  • 4Rx4 Load Reduced design enables maximum density per slot
  • 20V operation reduces power draw per module
  • HP P19047-B21 compatible for validated integration

High-capacity server memory

Brute Networks 128GB DDR4-2933 4Rx4 1.2v ECC LRDIMM is a 288-pin module built for HP platforms using part number P19047-B21. It targets administrators who need maximum installed memory per slot to support dense virtualization or large in-memory databases. The load-reduced design reduces electrical load on the memory bus, allowing higher total capacity than standard registered DIMMs.

Thermals noise and power

Operating at 1.2V, the module draws minimal power for its density, helping keep server power budgets predictable. Load-reduced buffering lowers signal contention, which contributes to stable operation under sustained workloads. ECC circuitry corrects single-bit errors in real time, preventing data corruption without adding measurable latency. No active cooling is required beyond standard server airflow.

Build quality and connectors

Major-brand DRAM from Samsung, SK Hynix or Micron ensures component consistency across the module. The 4Rx4 organization packs 128GB into a single 288-pin DDR4 form factor, fitting existing DIMM slots without adapter brackets. Third-party validation guarantees compatibility with HP service contracts, so firmware updates and support agreements remain intact. Lifetime warranty backs the hardware for the server's service life.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $865.99
Pricier than about 79% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $6.77 per GB
Cheaper than about 55% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameHP
Total capacity128 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR3 2933 (PC3 23400)
Processor
ChipsetMajor Brand Chipset
Memory
ECC supportYes
Buffer typeLoad Reduced
Memory rank4Rx4
Power
Rated voltage1.2 V

Questions about this item

How do I install the 288-pin DDR4 LRDIMM and which step is often missed?

Align the notch with the slot key, press straight down until both side clips click, then verify the server BIOS recognises 128 GB at 2933 MT/s; the step often missed is enabling the correct memory voltage of 1.20 V in BIOS

What maintenance or replacement will the 4Rx4 ECC module need later?

No scheduled maintenance is required; if a correctable error count climbs or the module fails POST, replace it with an identical 128 GB PC4-23400 4Rx4 1.20 V LRDIMM

What limit appears first when the LRDIMM runs sustained workloads at 2933 MT/s?

The JEDEC voltage ceiling of 1.20 V is reached first; the memory controller will throttle frequency before thermal limits are hit

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