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Four green DDR3L ECC RDIMM modules in static bag

OWC

OWC 128GB (4x32GB) DDR3L 1600 CL11 ECC RDIMM Supermicro A+ Server

SKU CH-KWFR-1XQAH

128 GB DDR3L ECC registered kit in four 32 GB modules at 1600 MHz for Supermicro A+ servers

  • Capacity128GB (4 x 32GB)
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes

Capacity 128GB (4 x 32GB)

  • ECC registered memory protects data integrity in servers
  • 128 GB total capacity across four 32 GB modules
  • DDR3L 1600 speed with CL11 latency at 1.35 V
  • 240-pin RDIMM form factor fits Supermicro A+ Server 2022 and 4042 series
  • JEDEC and RoHS compliant for warranty-safe upgrades

128GB DDR3L ECC RDIMM kit

This 128GB kit contains four 32GB DDR3L 1600 CL11 registered DIMMs built for Supermicro A+ Server 2022TC, 2022TG, 4022G and 4042G systems. It is designed for workstation and server platforms that require ECC registered memory. It will not work in standard desktop computers or alongside unbuffered modules.

Low-voltage operation at 1.35V

Each module runs at 1.35 volts under the PC3L-12800 JEDEC standard, reducing power draw and heat compared to standard DDR3. The registered buffer and ECC functionality add minimal overhead while maintaining data integrity. No heat spreaders are fitted, so airflow through the server chassis handles cooling.

240-pin 4Rx4 registered form factor

The 240-pin DDR3L RDIMMs use a 4Rx4 organisation and must occupy slots that support registered ECC memory. Mixing with unbuffered DIMMs is not supported. The kit is validated for the listed Supermicro A+ Server series and complies with JEDEC and RoHS requirements.

Highlights

  • ECC registered memory protects data integrity in servers
  • 128 GB total capacity across four 32 GB modules
  • DDR3L 1600 speed with CL11 latency at 1.35 V
  • 240-pin RDIMM form factor fits Supermicro A+ Server 2022 and 4042 series
  • JEDEC and RoHS compliant for warranty-safe upgrades

Specifications

BrandOWC
Part Number1R6T34R4128S
Capacity128GB (4 x 32GB)
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemSupermicro A+ Server 2022TC Series
Supermicro A+ Server 2022TG Series
Supermicro A+ Server 4022G Series
Supermicro A+ Server 4042G Series

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Questions about this item

How do I install the 240-pin DDR3L modules in my Supermicro A+ Server, and which step is often missed?

Power off the server, open the chassis, align each 240-pin module with the DIMM slot notch, and press firmly until both retention clips click. The step often missed is populating all four channels in the order specified by the Supermicro A+ Server manual to enable quad-channel operation.

What maintenance or replacement will the 128GB DDR3L 1600 ECC RDIMM kit need later?

The modules have no heat spreaders and no moving parts, so no routine maintenance is required. Replacement is only needed if a module fails ECC error correction, which the registered design helps prevent by reducing electrical load on the memory controller.

What limit appears first when the 4Rx4 DDR3L 1600 kit runs sustained workloads?

The 1.35 V DDR3L voltage and CL11 latency set the thermal and timing envelope. Under sustained load the memory controller reaches its maximum sustainable bandwidth at PC3L-12800 before temperature or voltage limits become a factor.

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