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Two green DDR3 ECC registered DIMMs with black heat spreaders

Black Diamond Memory

Black Diamond Memory BD8GX21333MTR23 16GB (2x8GB) DDR3 1333 ECC Registered server RAM

SKU CH-Y0XZ-Q4WYJ MPN BD8GX21333MTR23

16 GB dual-channel DDR3 kit with ECC registered 1333 MHz modules and CL11 timing for server upgrades

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL11
  • Memory timings11-11-11-14
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 16GB (2 x 8GB)

Rank 2Rx4

  • ECC protection prevents data corruption in critical workloads
  • Registered design stabilises signal integrity for dense server configurations
  • 16 GB dual-channel kit expands capacity for virtualisation and databases
  • DDR3 1333 CL11 timing delivers consistent throughput for legacy platforms
  • 240-pin form factor fits standard server DIMM slots

16GB DDR3-1333 ECC Registered Kit

This 16GB kit contains two 8GB DDR3 modules rated at 1333 MT/s with CL11 timing. ECC and registered buffering provide the error correction and signal integrity required by server platforms. The 2Rx4 organisation suits multi-socket systems that need maximum capacity per channel.

240-Pin DDR3 Installation Notes

Align the notch on each 240-pin DIMM with the slot key and press firmly until the retention clips click. Registered modules add a clock cycle of latency, so the memory controller must support registered operation; consumer desktop boards without that support will not post. Mixing registered and unbuffered DIMMs on the same channel prevents boot.

Sustained Server Workload Behaviour

Under continuous load the registered design reduces electrical loading on the memory bus, helping maintain stability across all populated slots. ECC corrects single-bit errors on the fly, preventing silent data corruption during long compute runs. The CL11 11-11-11-14 timings deliver consistent throughput for virtualisation and database workloads.

How it compares

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

Price $158.99
Cheaper than about 55% 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 $9.94 per GB
Pricier than about 67% of the 6,064 comparable items (median $7.25 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameBlack Diamond Memory
Model nameBD8GX21333MTR23
Total capacity16 GB (2 × 8 GB)
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL11
Memory timings11-11-11-14
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Size & build
Shipping weight0.23 kg
Package size178 × 76 × 51 mm

Other versions of this model

3 more in the same range

Questions about this item

How can I confirm the kit is running at DDR3 1333 with CL11 timings after installation?

Enter the system BIOS or UEFI and verify the memory speed shows 1333 MT/s with timings set to 11-11-11-14.

What is included in the box and what must be sourced separately?

The package contains two 8 GB 240-pin DDR3 registered ECC modules; no extra cables, brackets or software are required.

Should I choose the 2Rx4 16 GB kit or a different capacity for my server?

Select this 2Rx4 16 GB kit when your platform needs registered ECC DDR3 1333 memory in matched pairs.

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