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Green rectangular DDR4 memory module with gold edge connector and black chips, no heat spreader

OWC

OWC 3R2D42R816GB 16GB DDR4 3200MHz CL22 ECC Registered RDIMM

SKU CH-RMQ2-T82SS

16 GB DDR4 3200 MHz ECC registered RDIMM for Supermicro H11 series server boards

  • Total capacity16 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx8

Capacity 16GB

  • 16 GB capacity expands server memory headroom
  • DDR4 3200 speed matches platform specifications
  • ECC registered design protects data integrity
  • 2 V operation reduces power draw
  • Validated for Supermicro H11DSi series motherboards

16GB DDR4 ECC RDIMM for Supermicro servers

This 16GB DDR4 3200MHz registered DIMM is built for Supermicro motherboards including the H11DSi, H11DSi-NT, H11DST-B, H11DSU-iN and H11SSL-C. It delivers error-correcting, registered memory for workstation and server platforms that require ECC RDIMM modules. It is not compatible with standard desktop computers or unbuffered memory configurations.

Sustained operation with ECC protection

The module runs at 1.2V with CL22 latency and a 2Rx8 organisation, providing consistent throughput under continuous server workloads. Error-correcting code detects and corrects single-bit errors in real time, helping to maintain data integrity during long compute sessions without the variability seen in non-ECC alternatives.

288-pin registered build without heat spreader

A bare 288-pin PCB fits directly into standard DDR4 RDIMM slots on the listed Supermicro boards, leaving clearance for dense multi-DIMM populations. The registered buffer reduces electrical load on the memory controller, supporting stable operation across fully populated channels day after day.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $107.99
Cheaper than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $6.75 per GB
Cheaper than about 59% of the 20,941 comparable items (median $8.19 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
Compatibility
Compatible systemsSupermicro Motherboard H11DSi
Supermicro Motherboard H11DSi-NT
Supermicro Motherboard H11DST-B
Supermicro Motherboard H11DSU-iN
Supermicro Motherboard H11SSL-C

Other versions of this model

5 more in the same range

Questions about this item

How much power does the 1.2 V DDR4 3200 module draw under continuous server load?

The module operates at 1.2 V DDR4 standard voltage; exact power draw varies with workload and motherboard power management.

Which motherboard slots and chipset are required for this 288-pin ECC RDIMM to function?

It requires a Supermicro H11DSi, H11DSi-NT, H11DST-B, H11DSU-iN or H11SSL-C motherboard with DDR4 RDIMM slots and registered ECC support.

Can this CL22 registered DIMM run alongside older unbuffered ECC modules in the same system?

No, registered and unbuffered ECC memory cannot be mixed; all installed DIMMs must be registered for the system to operate.

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