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Green printed circuit board DDR5 memory module with black chips and gold edge contacts

Brute Networks

Brute Networks 16GB DDR5-4800 1Rx8 ECC UDIMM 4X71K53891

SKU CH-NRTH-PEZRZ

16GB DDR5-4800 ECC UDIMM module with 1Rx8 rank for Lenovo-compatible server upgrades

  • Total capacity16 GB
  • ChipsetMajor Brand Chipset
  • Memory rank1Rx8
  • 16GB DDR5-4800 capacity for high-speed server workloads
  • 1Rx8 ECC UDIMM design ensures data integrity under load
  • PC5-38400 rating matches Lenovo 4X71K53891 specification
  • 100% Lenovo compatible for drop-in upgrades
  • New condition with lifetime warranty coverage

Brute Networks 16GB DDR5-4800 ECC UDIMM

This server memory module provides 16GB of DDR5 capacity with error-correcting code for data integrity. It operates at 4800MHz with a 1Rx8 rank configuration. The module is built as a third-party equivalent to Lenovo part number 4X71K53891 for compatible systems.

Thermals and power in normal use

DDR5 architecture moves the power management IC onto the module itself for efficient voltage regulation. ECC functionality adds a small overhead that is standard for registered server workloads. The 1Rx8 organisation keeps electrical loading low on the memory bus during sustained operation.

Build integration and system fit

This UDIMM fits standard DDR5 slots in platforms that support unbuffered ECC memory. It frees a DIMM slot for future expansion while delivering 16GB per module. Buyers who need higher densities per slot or registered DIMM compatibility should verify platform requirements before purchase.

How it compares

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

Price $609.99
Pricier than about 73% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $38.12 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameLenovo
Total capacity16 GB
Processor
ChipsetMajor Brand Chipset
Memory
Memory rank1Rx8

Questions about this item

How do I install the 1Rx8 ECC UDIMM in a Lenovo server and what step is often missed?

Align the notch on the 1Rx8 module with the DDR5 slot key, press firmly until both retention clips click, then verify the BIOS shows 16GB at 4800Mhz — skipping the clip check is the common error.

What maintenance or replacement will the 16GB DDR5-4800 module need over its service life?

No scheduled maintenance is required; the module is covered by a lifetime warranty, so replacement only occurs if a memory test reports correctable or uncorrectable ECC errors.

What limit appears first when the 1Rx8 ECC UDIMM runs sustained workloads at 4800Mhz?

The DDR5-4800 JEDEC data rate is the first ceiling; sustained throughput cannot exceed the 38400MB/s PC5-38400 rating without overclocking, which the ECC UDIMM does not support.

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