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Four green DDR3 ECC registered DIMMs with gold contacts

OWC

OWC 64GB (4x16GB) DDR3 1600 PC3-12800 CL11 2Rx4 240-pin 1.5V ECC Registered RDIMM memory upgrade

SKU CH-HHQW-EKKPT

64 GB ECC registered DDR3 kit in four 16 GB modules at 1600 MHz CL11 for Supermicro H8 and X9DA7 server boards

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR3 1600 (PC3 12800)
  • CAS latencyCL11
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 64GB (4 x 16GB)

  • ECC registered design prevents data corruption in servers
  • 64GB total capacity across four 16GB modules
  • DDR3 1600 CL11 speed matches system requirements
  • 5V operation aligns with Supermicro motherboard specs
  • 240-pin RDIMM form factor fits H8 and X9 series

ECC Registered DDR3 Kit

This 64GB kit contains four 16GB DDR3 1600 PC3-12800 CL11 240-pin 1.5V ECC Registered RDIMM modules built for Supermicro motherboard series H8DGG, H8QG6, H8QGI, H8SGL and X9DA7. It is designed for workstation and server platforms that require registered memory with error correction.

Registered Design and Compatibility

The registered buffer and ECC function change how the memory controller manages data integrity, so these modules cannot be mixed with unbuffered memory and will not operate in standard desktop boards. The kit replaces Supermicro part numbers MEMDR316LSL03ER16 and MEMDR316LSV01ER16 for direct substitution in supported systems.

Suited for Server Upgrades

This kit suits administrators extending the life of compatible Supermicro servers or building new systems that specify DDR3 ECC Registered memory. Buyers who need unbuffered memory for consumer platforms, a different DDR generation, or capacities beyond 64GB should look at other products.

How it compares

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

Price $194.99
Cheaper than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $3.05 per GB
Cheaper than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number1R6D32R4064S
Total capacity64 GB (4 × 16 GB)
Product type240-Pin DDR3 ECC RDIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsSupermicro Motherboard H8DGG Series
Supermicro Motherboard H8QG6 Series
Supermicro Motherboard H8QGI Series
Supermicro Motherboard H8SGL Series
Supermicro Motherboard X9DA7 Series

Other versions of this model

5 more in the same range

Questions about this item

Will the ECC registered RDIMM modules need replacement after a certain period of operation?

The modules carry a limited lifetime warranty and are built to JEDEC specifications for long-term server use; no scheduled replacement interval is defined.

What limit appears first when the 16 GB 2Rx4 DDR3 1600 sticks run at full load continuously?

The 1.5 V operating voltage and CL11 latency set the electrical and timing boundaries that the memory controller must meet under sustained throughput.

How much heat and power do the four 240-pin RDIMMs produce when the system runs all day?

Each module draws 1.5 V with no heat spreader, so total power scales with the four 16 GB ranks and airflow must handle the combined thermal output.

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