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Two green DDR4 DIMMs with black heat spreaders

Black Diamond Memory

Black Diamond Memory BD16GX22666MQR26 32GB (2×16GB) DDR4 2666 ECC Registered server RAM

SKU CH-PV8V-A92K7 MPN BD16GX22666MQR26

32GB dual-channel DDR4-2666 ECC registered kit with 2Rx4 organisation for server workloads

  • Total capacity32 GB (2 × 16 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 (2 x 16GB)

Rank 2Rx4

  • ECC protects data integrity with registered DDR4 2666 modules
  • 32 GB capacity delivered as two 16 GB sticks for dual-channel performance
  • Registered design reduces electrical load on the server memory controller
  • 288-pin DDR4 form factor fits standard server DIMM slots
  • Manufacturer backs over 200000 validated configurations across enterprise platforms

Server-grade DDR4 ECC Registered memory

This 32 GB kit contains two 16 GB modules built to the DDR4 2666 standard. Registered operation and on-die ECC protect data integrity in multi-socket servers and workstations that require registered DIMMs.

Sustained-load behaviour

Registered buffering reduces electrical load on the memory controller, allowing stable operation across all populated slots during continuous workloads. ECC correction handles single-bit errors without halting the system, keeping throughput consistent over long runs.

Installation notes

Modules use the standard 288-pin DDR4 form factor and install like any registered DIMM; ensure the platform explicitly supports registered ECC memory. Mixing registered with unbuffered DIMMs or populating slots in an unsupported order will prevent the system from posting.

How it compares

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

Price $667.99
Pricier than about 74% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $20.87 per GB
Pricier than about 82% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameBlack Diamond Memory
Model nameBD16GX22666MQR26
Total capacity32 GB (2 × 16 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

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Questions about this item

How much power does the DDR4 2666 registered ECC kit draw under continuous server load?

DDR4 registered modules typically operate at 1.2 V; the 2Rx4 organisation and ECC logic add only a small overhead compared with unbuffered DIMMs, so sustained draw stays modest in a 288-pin slot.

What motherboard feature must already be present for the 288-pin DDR4 2666 registered DIMMs to function?

The board needs DDR4 slots that support registered ECC memory and a memory controller able to address 2Rx4 modules at 2666 MT/s.

Will the 2Rx4 registered sticks work in an older DDR4 platform that only accepts unbuffered memory?

No — registered DIMMs require a chipset and BIOS that explicitly support registered operation; they will not post in a consumer board limited to unbuffered modules.

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