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Two green DDR4 ECC UDIMM sticks, 288-pin, matte black chips

A-Tech

A-Tech 64GB (2x32GB) DDR4 3200 MHz ECC UDIMM 2Rx8 Server RAM

SKU CH-CN65-CQF6C

A 64 GB dual-channel kit of DDR4 3200 MHz ECC UDIMM modules with CL22 latency and 1.2 V operation for servers and workstations

  • CAS LatencyCL22
  • Rank2Rx8
  • 64 GB total capacity from two 32 GB modules
  • DDR4 3200 MHz speed rated at CL22 latency
  • ECC UDIMM with 2Rx8 dual-rank organisation
  • 2 V standard DDR4 voltage for efficient operation
  • 288-pin DIMM form factor for server and workstation slots

64 GB DDR4 ECC UDIMM kit for servers

This 64 GB kit contains two 32 GB DDR4 3200 MHz ECC UDIMM modules built for servers and workstations that require error-correcting unbuffered memory. It is not compatible with standard desktop or laptop computers. Each module uses a 288-pin DIMM form factor and operates at the standard 1.2 V DDR4 voltage. The dual-rank 2Rx8 organisation helps increase memory density for demanding workloads.

CL22 latency and DDR4 3200 ceiling

The modules run at DDR4 3200 MHz with a CAS latency of CL22, which sets the practical speed limit for this memory standard. Systems that only support lower DDR4 frequencies will downclock the kit automatically. The ECC unbuffered design adds error correction overhead but does not change the fundamental bandwidth ceiling of the DDR4 3200 interface. Mixing these modules with different speeds or ranks can further restrict achievable performance.

Straightforward slot installation with seating care

Installation follows the usual DIMM slot procedure: align the notch, press firmly until the retention clips click, and follow the motherboard manual for correct channel population. The most common issue is incomplete seating, which causes the system to recognise less memory or fail to boot. Because this is ECC unbuffered memory, the platform must explicitly support that type; otherwise the modules will not function even if they physically fit.

Points forts

  • 64 GB total capacity from two 32 GB modules
  • DDR4 3200 MHz speed rated at CL22 latency
  • ECC UDIMM with 2Rx8 dual-rank organisation
  • 2 V standard DDR4 voltage for efficient operation
  • 288-pin DIMM form factor for server and workstation slots

Caractéristiques

CAS LatencyCL22
Rank2Rx8

Questions sur cet article

Should I choose the 64 GB kit or a smaller capacity for my server?

The kit provides 64 GB total using two 32 GB modules. Select this capacity if your workload and motherboard slot count can use the full amount; otherwise a smaller kit leaves room for future expansion.

What does the 3200 MHz rating mean once the memory is installed in a real server?

The modules run at DDR4 3200 MHz with CL22 latency at the standard 1.2 V, delivering the rated throughput when the platform supports that speed and the memory controller is configured accordingly.

Is this ECC UDIMM compatible with standard DDR4 DIMM slots and what limits apply?

It uses the 288-pin DDR4 UDIMM form factor with ECC unbuffered signalling, so it fits standard DDR4 server and workstation slots that explicitly support ECC UDIMM; desktop or laptop boards that lack ECC support will not work.

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