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Green 288-pin DDR4 ECC registered DIMM with black chips

Kingston Technology Corp.

Kingston Technology Corp. KSM32RS4/16MRR 16GB DDR4 3200 CL22 ECC Registered server RAM

SKU CH-RPSP-R9ZM9 MPN KSM32RS4/16MRR

16GB DDR4 3200MHz ECC Registered DIMM with CL22 latency for server reliability

  • Total capacity16 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Memory timings22-22-22
  • Rated voltage1.2 V
  • Buffer typeRegistered

Capacity 16GB

Rank 1Rx4

Model Micron, Full Lock

  • ECC protection detects and corrects single-bit errors automatically
  • Registered signal buffering stabilises heavy multi-module loads
  • 3200 MHz DDR4 speed delivers high data throughput
  • CL22 latency enables fast row access timing
  • 288-pin DIMM fits standard DDR4 server slots

Capacity and Role

This 16 GB DDR4 registered DIMM delivers 3200 MHz bandwidth with ECC protection for server workloads. The single-rank 1Rx4 layout and 1.20 V operation suit multi-socket platforms that require registered signalling. It installs in standard 288-pin slots and carries CL22 timing.

Platform Fit

The module targets administrators building or expanding DDR4 server fleets that mandate registered ECC memory. Workstations or consumer boards that accept only unbuffered non-ECC DIMMs cannot use this part. Buyers needing higher density per slot or lower latency should evaluate other configurations.

Registered Signal Benefit

Registered buffering reduces electrical load on the memory controller, allowing larger populations per channel without signal degradation. ECC corrects single-bit errors to protect data integrity in continuous operation. The combination supports stable uptime in virtualised and database environments.

How it compares

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

Price $140.99
Cheaper than about 58% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $8.81 per GB
Pricier than about 62% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameKingston
Model nameKSM32RS4/16MRR
Total capacity16 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
Memory timings22-22-22
ECC supportYes
Buffer typeRegistered
Memory rank1Rx4
Power
Rated voltage1.2 V
Size & build
Shipping weight0.09 kg
Package size152 × 76 × 8 mm

Other versions of this model

5 more in the same range

Questions about this item

Does my motherboard need 288-pin DDR4 slots that support ECC and registered memory for this 16GB module to work?

Yes, the module is a 288-pin DDR4 DIMM with ECC and registered signal processing, so the board must provide DDR4 slots that accept registered ECC memory.

Can I add this CL22 3200 MHz registered DIMM alongside older DDR4 ECC modules that run at a lower speed?

The system will run all installed DDR4 ECC registered modules at the speed and timings of the slowest module, so mixing is possible but overall performance will match the slower kit.

How can I verify the module is running at 3200 MHz with CL22 timings after installation?

Check the memory speed and latency reported in the BIOS or UEFI setup screen, or use a system-information utility such as CPU-Z to confirm DDR4-3200 operation at 22-22-22 timings.

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