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Two green DDR3 DIMMs with black heat spreaders, 240-pin form factor

Black Diamond Memory

Black Diamond Memory BD16GX21333MTR23 32GB (2x16GB) DDR3 1333 ECC Registered server RAM

SKU CH-GZBW-MZ57Y MPN BD16GX21333MTR23

32 GB dual-channel DDR3 1333 ECC registered server memory with CL11 11-11-11-14 timings

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL11
  • Memory timings11-11-11-14
  • Buffer typeRegistered
  • Memory rank4Rx4

Capacity 32GB (2 x 16GB)

Rank 4Rx4

  • 32 GB total capacity for memory-intensive server workloads
  • Dual 16 GB modules enable dual-channel bandwidth
  • ECC registered design detects and corrects data errors
  • DDR3 1333 speed with CL11 11-11-11-14 timings
  • 240-pin DDR3 form factor fits compatible server slots

Server Memory Kit

This 32GB kit contains two 16GB DDR3 1333 registered DIMMs with ECC. The modules run at PC3 10600 speed with CL11 latency and 11-11-11-14 timings. Each stick uses a 240-pin interface and 4Rx4 organisation for dense server configurations. The kit is new and intended for compatible enterprise platforms.

Suits and Limits

The registered design and ECC function target servers and workstations that require error correction and signal buffering. Desktop boards that accept only unbuffered non-ECC memory cannot use these modules. Systems limited to lower densities or different DDR generations will also be incompatible.

Sustained Operation

Registered buffering reduces electrical load on the memory controller during continuous multi-threaded workloads. ECC corrects single-bit errors in real time to maintain data integrity over long runs. The CL11 timing delivers consistent latency without the voltage scaling associated with higher-frequency parts.

How it compares

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

Price $189.99
Typical for this category: the median of 6,523 items is $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 $5.94 per GB
Cheaper than about 64% 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 nameBD16GX21333MTR23
Total capacity32 GB (2 × 16 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 rank4Rx4
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

My server motherboard has 240-pin DDR3 slots — will these two 16 GB modules fit directly?

Yes. Each module is a 240-pin DDR3 DIMM, so it seats in any standard DDR3 240-pin slot without adapters.

I plan to keep my existing DDR3 1333 ECC registered sticks — can I mix them with this 4Rx4 kit?

Mixing is possible only if the other sticks are also DDR3 1333 ECC registered; the memory controller will run all modules at the slowest common speed and timings.

After installation, how can I confirm the kit is running at DDR3 1333 with CL11 11-11-11-14?

Check the BIOS memory information screen or run a tool such as CPU-Z; it should report 1333 MT/s, CAS 11 and the 11-11-11-14 timing set.

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