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Two green SO-DIMM sticks with black chips and gold contacts

Black Diamond Memory

Black Diamond Memory BD8GX22133MQO22 16GB (2 x 8GB) DDR4 2133 ECC Unbuffered SO-DIMM server RAM

SKU CH-KRE4-WZQB1 MPN BD8GX22133MQO22

16 GB dual-channel DDR4 2133 ECC unbuffered SO-DIMM kit for compatible servers

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2133 (PC4 17000)
  • Buffer typeUnbuffered
  • Memory rank2Rx8
  • Product type260-Pin DDR4 SO-DIMM
  • Key featuresBlack Diamond Memory 16 GB Kit (2 × 8 GB) (2Rx8) DDR4 2133 (

Capacity 16GB (2 x 8GB)

  • 16 GB dual-channel kit expands server capacity
  • DDR4 2133 speed matches PC4 17000 specification
  • ECC unbuffered design protects data integrity
  • 260-pin SO-DIMM form factor fits compatible slots
  • 2Rx8 rank organisation optimises memory density

16 GB DDR4 ECC SO-DIMM Kit

This 16 GB kit contains two 8 GB DDR4 2133 SO-DIMM modules with ECC and an unbuffered design. It targets servers or workstations that require error correction in a 260-pin form factor. The 2Rx8 rank organisation suits platforms that accept unbuffered ECC memory. Buyers needing registered DIMMs or higher speeds should look elsewhere.

Compatibility Checklist

Verify that your system accepts 260-pin DDR4 SO-DIMMs running at 2133 MT/s with ECC enabled. Confirm the motherboard or server manual lists support for unbuffered ECC modules and the 2Rx8 rank configuration. Ensure the BIOS can initialise ECC without requiring registered memory. Systems limited to non-ECC or registered-only slots will not work with this kit.

Build and Daily Use

The modules use a standard green PCB with 260 gold-edge contacts that seat firmly in SO-DIMM slots. ECC circuitry adds single-bit error correction for data integrity during continuous operation. Unbuffered design keeps latency low for supported platforms. The matched pair simplifies dual-channel population. No heatsinks are included, so airflow in dense chassis remains the builder's responsibility.

How it compares

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

Price $580.99
Pricier than about 72% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $36.31 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameBlack Diamond Memory
Model nameBD8GX22133MQO22
Total capacity16 GB (2 × 8 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
ECC supportYes
Buffer typeUnbuffered
Memory rank2Rx8
Size & build
Shipping weight0.09 kg
Package size170 × 56 × 13 mm

Other versions of this model

3 more in the same range

Questions about this item

Does the kit include both 8 GB SO-DIMMs or must the second module be purchased separately?

The kit contains two 8 GB modules for a total of 16 GB, so nothing else is required for that capacity.

Should I choose the 2133 MT/s speed or a faster DDR4 option for my server?

Select 2133 MT/s if your platform specifies DDR4 2133 or PC4 17000; faster DDR4 will down-clock to this speed.

What does the PC4 17000 rating mean once the memory is installed?

It indicates a peak transfer rate of 17 000 MB/s at the rated 2133 MT/s data rate.

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