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Green circuit board with gold contacts and black memory chips

OWC

OWC 16GB DDR4 3200 ECC Registered RDIMM 2Rx8 1.2V server RAM

SKU CH-CGKR-305TS

16 GB DDR4 3200 ECC registered RDIMM adds reliable server capacity at 1.2 V

  • Total capacity16 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx8
  • ECC registered design protects data integrity in servers
  • 16 GB capacity adds memory headroom for virtualisation workloads
  • DDR4 3200 speed delivers 25 600 MB/s peak bandwidth
  • 288-pin RDIMM form factor fits registered DIMM slots
  • 2 V operation reduces power draw per module

Server ECC Registered Upgrade

This 16GB DDR4 3200 module is built for workstations and servers that require ECC Registered RDIMM memory. It replaces Supermicro MEM-DR416L-CL01-ER32, MEM-DR416L-CL02-ER32 and MEM-DR416L-CL06-ER32 parts with identical specifications. The module operates at 1.2V with CL22 latency and a 2Rx8 rank configuration. It is not compatible with standard desktop computers or unbuffered memory.

Build Integration Requirements

The 288-pin DDR4 form factor fits server and workstation motherboards designed for registered ECC DIMMs. A registered memory controller and ECC support are mandatory; the module will not function in consumer platforms lacking these features. Mixing with unbuffered DIMMs is not supported. All installed DIMMs should share the same capacity, speed and manufacturer for optimal stability.

Compliance and Support Benefits

JEDEC-standard compliance and ROHS adherence provide a warranty-safe upgrade path for existing infrastructure. The module undergoes in-house validation testing to meet or exceed OEM specifications. OWC backs the product with a limited lifetime warranty, an advanced replacement program and free technical support. These services reduce downtime risk when deploying or refreshing server memory.

How it compares

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

Price $109.99
Cheaper than about 66% 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 $6.87 per GB
Cheaper than about 54% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number3R2D42R816 GB
Total capacity16 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V

Questions about this item

How many ranks does each 16 GB module present to the memory controller?

Each module is a 2Rx8 part, so it presents two ranks to the controller.

How much heat will a 1.2 V DDR4 3200 module add to a server chassis running continuously?

The module runs at 1.2 V with no heat spreader, so thermal load is low; typical registered DDR4 at this voltage adds only a few watts per DIMM.

What motherboard feature must already be present for this ECC registered RDIMM to function?

The board must support DDR4 ECC registered memory and provide 288-pin RDIMM slots; standard desktop boards without registered support will not work.

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