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Green circuit board DDR4 memory module with black chips and gold edge connector

Black Diamond Memory

Black Diamond Memory BD32G2666MQR29 32GB DDR4 2666 ECC Registered server RAM

SKU CH-XC7F-3D0B8 MPN BD32G2666MQR29

32 GB DDR4 2666 ECC registered server memory with 2Rx4 organisation for data-integrity workloads

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • Buffer typeRegistered
  • Memory rank2Rx4
  • Product type288-Pin DDR4 SDRAM
  • Key featuresWith decades of experience specializing in memory and server

Capacity 32GB

Rank 2Rx4

  • 32GB capacity handles heavy server workloads
  • DDR4 2666 speed delivers 21300 bandwidth
  • ECC Registered design corrects data errors
  • 2Rx4 rank optimises dense memory configurations
  • 288-pin DDR4 form factor fits standard server slots

32 GB DDR4-2666 ECC Registered Server Memory

This 32 GB DDR4 module runs at 2666 MT/s with ECC and registered buffering. The 2Rx4 organisation suits multi-socket servers and workstations that require error correction and signal integrity. It targets system integrators and IT departments maintaining qualified platforms.

Registered DDR4 requires platform support for ECC

Registered DDR4-2666 only functions on chipsets and CPUs that explicitly enable ECC and registered operation. Consumer desktop boards typically ignore or reject these modules. Maximum capacity and population rules are defined by the server platform, not by the memory stick itself.

Installation follows standard 288-pin DIMM procedure

Align the notch with the slot key, press evenly until the latches engage, and verify seating. Common issues arise when the platform BIOS disables ECC, when mixed ranks exceed the memory controller limits, or when unbuffered and registered DIMMs are combined in the same channel.

How it compares

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

Price $570.99
Pricier than about 72% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $17.84 per GB
Pricier than about 78% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameBlack Diamond Memory
Model nameBD32G2666MQR29
Total capacity32 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Size & build
Shipping weight0.18 kg
Package size178 × 51 × 13 mm

Other versions of this model

5 more in the same range

Questions about this item

Should I pick the 32GB 2Rx4 module or a different capacity for my server?

This module provides 32GB in a single 288-pin DDR4 stick with a 2Rx4 organisation. Choose it when your board has free registered DIMM slots and the memory controller supports 32GB density per slot.

What does the DDR4 2666 (PC4 21300) rating mean once the module is installed?

The module operates at 2666 MT/s on the DDR4 bus. The PC4 21300 designation is the industry name for that data rate on a registered DIMM.

The spec says 288-Pin DDR4 SDRAM — what does that interface cap in practice?

The 288-pin DDR4 interface is the physical and electrical standard for registered server memory. It limits the module to DDR4 signalling and the 2666 MT/s speed grade printed on the label.

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