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Green rectangular DDR5 memory module with gold contacts and black heat spreader

Black Diamond Memory

Black Diamond Memory BD128G4800MCR31 128GB DDR5 4800 ECC Registered memory upgrade

SKU CH-YP1X-HWEH0 MPN BD128G4800MCR31

128 GB DDR5 4800 ECC registered memory with 2Rx8 organisation for server workloads

  • Total capacity128 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • Buffer typeRegistered
  • 128 GB capacity supports heavy workloads and virtualization
  • DDR5 4800 speed delivers high data throughput for servers
  • ECC registered design detects and corrects memory errors
  • 2Rx8 organisation optimises signal integrity at density
  • New condition ensures full manufacturer specification compliance

128GB DDR5 4800 ECC Registered Kit

This 128GB DDR5 4800 ECC Registered memory kit is built for servers and workstations that require error correction and signal buffering. It targets system administrators and integrators who need maximum capacity per slot for virtualisation or data-intensive workloads.

Registered ECC With 2Rx8 Organisation

The single specification that decides fitment is the Registered ECC design with a 2Rx8 layout running at DDR5 4800 (PC5 38400). Only platforms that explicitly support registered DDR5 ECC modules at this speed and rank configuration will accept this part.

Standard DIMM Installation

Installation follows the usual DIMM slot procedure: align the notch, press until the latches click, and verify seating. What usually goes wrong is mixing registered and unbuffered modules or populating slots in an order the motherboard manual does not support, which prevents the system from posting.

How it compares

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

Price $3,546.99
Pricier than about 75% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $27.71 per GB
Pricier than about 77% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameBlack Diamond Memory
Model nameBD128G4800MCR31
Part numberBD128G4800MCR31
Total capacity128 GB
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
ECC supportYes
Buffer typeRegistered
Size & build
Shipping weight0.01 kg
Package size178 × 102 × 51 mm

Questions about this item

What does the 4800 MT/s speed mean once the module is installed in a compatible server?

The module runs at DDR5 4800 (PC5 38400), delivering 4800 million transfers per second when the platform memory controller is configured for that data rate.

How does the DDR5 registered ECC interface affect usable bandwidth and error handling?

Registered buffering adds one clock cycle of latency but allows larger memory populations per channel, while ECC corrects single-bit errors and detects multi-bit errors in flight.

What physical slot and form factor does the 128 GB stick require to mount?

It uses a standard DDR5 DIMM slot with the DDR5 key notch position; the registered design does not change the mechanical outline.

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