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Green 288-pin DDR4 DIMM with black chips, 32GB registered ECC

Cisco Sales

Cisco Sales UCS-MR-1X322RU-A 32GB DDR4-2133 CL15 ECC Reg Server RAM

SKU CH-XJCZ-8YE7B

32 GB registered DDR4 ECC module at 2133 MHz with CL15 latency for server workloads

  • Total capacity32 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Buffer typeRegistered
  • Memory rank2Rx2
  • Product type288-Pin DDR4 SDRAM
  • 32 GB capacity supports demanding server workloads
  • Registered ECC design protects data integrity in critical applications
  • DDR4-2133 speed delivers high-throughput memory performance
  • Dual-rank 2Rx2 organisation maximises density per module
  • 288-pin DDR4 form factor fits standard server DIMM slots

Server Memory Module

This 32GB DDR4-2133 registered DIMM is built for Cisco UCS servers and compatible workstations. It delivers error-correcting code protection and registered buffering to maintain data integrity in multi-socket environments. The dual-rank 2Rx2 organisation increases memory density per channel. It suits administrators expanding capacity in validated platforms.

Thermals and Power

DDR4 architecture reduces operating voltage compared with earlier generations, lowering heat output per module. Registered buffering lightens the electrical load on the memory controller, which helps keep system power draw predictable. Standard JEDEC CL15 timings avoid the extra voltage and cooling demands of overclocked profiles. The module runs within typical server airflow without special cooling requirements.

Capacity and Compatibility

The single decisive specification is the 32GB capacity in a 288-pin DDR4 form factor with ECC registered operation. Only systems qualified for PC4-17000 registered memory at CL15 can use this module. Buyers needing unbuffered, non-ECC or higher-speed DIMMs must select a different part.

How it compares

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

Price $138.99
Cheaper than about 58% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $4.34 per GB
Cheaper than about 79% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameCisco
Part numberUCS-MR-1 × 322RU-A
Total capacity32 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportYes
Buffer typeRegistered
Memory rank2Rx2

Questions about this item

How do I install this 288-Pin DDR4 module and what is the common alignment mistake?

Align the notch on the module with the key in the 288-Pin slot, press down firmly until both side clips click shut, and ensure the registered buffer orientation matches the motherboard layout so the module seats fully.

What maintenance or replacement will this ECC Registered memory need over its service life?

No scheduled maintenance is required; replacement is only necessary if the module fails or if a capacity upgrade beyond 32GB is needed, at which point another DDR4-2133 CL15 2Rx2 registered DIMM should be used to keep timing consistent.

What limit appears first when this dual-rank CL15 kit runs at DDR4-2133 under sustained load?

The CAS latency of 15 cycles at 2133 MHz sets the primary timing ceiling, so sustained throughput is bounded by the CL15 specification before thermal or rank-interleaving limits become dominant.

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