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Four green 240-pin DDR3L RDIMM modules in static bags

OWC

OWC 64GB (4x16GB) DDR3L 1600 CL11 ECC Registered RDIMM memory upgrade Supermicro A+ Server 2122TC 2122TG

SKU CH-9RN2-AVR5Z

64GB DDR3L 1600 ECC registered RDIMM kit for Supermicro A+ Server 2122TC and 2122TG

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 64GB (4 x 16GB)

  • ECC registered design protects data integrity in servers
  • 64GB kit with four 16GB modules maximises capacity
  • DDR3L 1600 CL11 at 1.35V reduces power draw
  • 240-pin RDIMM form factor fits Supermicro A+ 2122TC and 2122TG
  • 2Rx4 organisation supports high-density server workloads

Server-Specific DDR3L Upgrade Kit

This OWC kit delivers 64 GB of DDR3L 1600 memory across four 16 GB registered ECC modules. It is built for Supermicro A+ Server 2122TC and 2122TG systems that require registered DIMMs. Standard desktop boards cannot use this memory.

240-Pin Registered ECC Modules

Each stick uses a 240-pin DDR3L form factor at 1.35 V with CL11 latency and a 2Rx4 organisation. The registered buffer reduces electrical load on the server memory controller. No heat spreaders are fitted, so airflow through the chassis handles cooling.

Low-Voltage ECC Stability

DDR3L operation at 1.35 V lowers power draw compared to standard DDR3 while maintaining 1600 MT/s throughput. ECC circuitry corrects single-bit errors to protect data integrity in continuous workloads. Registered signalling keeps signal quality consistent across all four slots.

How it compares

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

Price $163.99
Cheaper than about 60% 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 $2.56 per GB
Cheaper than about 91% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number1R6T32R4064S
Total capacity64 GB (4 × 16 GB)
Product type240-Pin DDR3L ECC RDIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsSupermicro A+ Server 2122TC Series
Supermicro A+ Server 2122TG Series

Other versions of this model

5 more in the same range

Questions about this item

What DDR3L standard does this kit use and what speed does it run at?

The kit uses DDR3L PC3L-12800 and runs at 1600 MT/s with CL11 latency.

What physical slot and module count does this upgrade require?

It uses four 240-pin RDIMM slots, each populated with a 16 GB 2Rx4 module.

How is this memory installed and what common mistake should be avoided?

Insert each RDIMM into the server's 240-pin DDR3L slots following the motherboard's population order; do not mix these registered modules with unbuffered memory.

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