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Green rectangular circuit board with black memory chips and gold edge connectors

Micron Technology, Inc.

Micron Technology, Inc. MTA36ASF4G72PZ-2G6E1 32GB DDR4 2666 ECC Registered server RAM

SKU CH-CYJ0-VVAKB MPN MTA36ASF4G72PZ-2G6E1

32GB DDR4 2666 ECC registered dual-rank server memory with CL19 timing

  • Capacity32GB
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • ECCYes
  • 32GB capacity supports demanding server workloads
  • DDR4 2666 speed delivers PC4 21300 bandwidth
  • ECC Registered design protects data integrity
  • Dual-rank architecture increases memory density
  • CL19 19-19-19 timing optimises latency

32GB DDR4 2666 ECC Registered module

This 32GB DDR4 2666 module delivers error-correcting registered memory for server platforms that require data integrity. The dual-rank organisation and CL19 timing suit workloads where stability matters more than raw bandwidth. It is not for desktop boards that lack registered DIMM support or for systems needing higher speeds than PC4 21300.

DDR4 2666 speed and registered buffer limits

The DDR4 2666 interface caps transfer rates at PC4 21300, so throughput is bounded by the JEDEC standard for this generation. Registered buffering adds a clock cycle of latency, which the CL19 19-19-19 timings reflect, and the dual-rank layout increases electrical load on the memory controller. Platforms that cannot drive registered modules or that demand faster DDR4 bins will not benefit.

288-pin build and server slot implications

The 288-pin DDR4 SDRAM form factor fits standard server DIMM slots and uses the registered buffer chip to reduce signal loading on the motherboard. Dual-rank density means fewer modules are needed to reach a given capacity, leaving more slots free for future expansion. Boards without registered DIMM support cannot accept this module, and mixed populations with unbuffered DIMMs are not supported.

Highlights

  • 32GB capacity supports demanding server workloads
  • DDR4 2666 speed delivers PC4 21300 bandwidth
  • ECC Registered design protects data integrity
  • Dual-rank architecture increases memory density
  • CL19 19-19-19 timing optimises latency

Specifications

BrandMicron
ModelMTA36ASF4G72PZ-2G6E1
Capacity32GB
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
ECCYes
Buffered/RegisteredRegistered
RankDual-rank
Shipping weight0.45 kg
Package size152 × 127 × 51 mm

Questions about this item

Should I pick the 32GB dual-rank module or a single-rank alternative?

The 32GB dual-rank module delivers higher density per slot, which is useful when populating many channels on a registered server platform.

What does the 2666 MT/s rating mean once the module is installed?

The module runs at 2666 MT/s with CL19 timing, providing 21300 MB/s peak bandwidth per channel in a registered ECC configuration.

How does the 288-pin DDR4 registered interface affect usable speed?

The 288-pin registered DDR4 interface supports 2666 MT/s operation; the register adds one cycle of latency but allows larger memory capacities per channel.

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