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Green DDR5 RDIMM circuit board with black memory chips and gold edge connector

Brute Networks

Brute Networks P61791-B21 HPE Compatible 128GB DDR5 4800 4Rx4 ECC Registered RDIMM server RAM

SKU CH-0E3G-WHZ5G

128 GB DDR5-4800 registered ECC RDIMM with 4Rx4 organisation for high-capacity server workloads

  • Total capacity128 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor Brand Chipset
  • Buffer typeRegistered
  • 128 GB capacity supports large workloads
  • DDR5 4800 speed delivers high bandwidth
  • ECC registered design protects data integrity
  • 4Rx4 organisation maximises density per slot
  • HPE P61791-B21 equivalent ensures drop-in compatibility

128GB DDR5 4800 ECC Registered RDIMM

This 128GB DDR5 4800 registered DIMM provides ECC protection for server workloads. It is built as a 4Rx4 module compatible with HPE part number P61791-B21. The memory uses major-brand chipsets and carries a lifetime warranty.

Verify DDR5 slot support

Confirm your server platform accepts DDR5 registered RDIMMs before ordering. The module operates at PC5-38400 speeds and requires a motherboard qualified for registered ECC memory. Matching modules are supplied for each order.

Suits HPE server upgrades needing 128GB registered

Ideal for administrators expanding HPE systems with validated 128GB DDR5 capacity. Not suitable for platforms limited to unbuffered memory, lower densities or earlier DDR generations. Buyers needing non-ECC or consumer form factors should look elsewhere.

How it compares

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

Price $4,234.99
Pricier than about 90% 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 $33.09 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameHPE
Total capacity128 GB
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor Brand Chipset
Memory
ECC supportYes
Buffer typeRegistered

Questions about this item

Does the module arrive as a single 128GB stick or as a kit, and is anything else required to install it?

It is supplied as one 128GB DDR5 RDIMM; no extra parts are needed beyond a compatible DDR5 RDIMM slot.

When would I choose this 128GB 4Rx4 registered ECC module over a smaller or differently ranked option?

Choose it when the server requires maximum capacity per slot, supports 4Rx4 registered ECC DDR5, and the qualified vendor list includes the P61791-B21 part number.

What does the DDR5 4800 rating mean for actual throughput in a server?

The module runs at 4800 MT/s, delivering the standard DDR5-4800 data rate for the platform's memory controller.

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