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Green circuit board with gold edge connectors and black memory chips

OWC

OWC 1R6T31R408GB 8GB DDR3L 1600 ECC RDIMM 1.35V Supermicro A+ Server

SKU CH-8EWW-TP2C5

8GB DDR3L 1600 ECC registered DIMM for Supermicro A+ Server series 1012, 1042, 1122 and 2022

  • Total capacity8 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank1Rx4

Capacity 8GB

  • ECC registered design protects data integrity in servers
  • DDR3L 1600 speed with CL11 latency boosts throughput
  • Low 1.35V voltage reduces power draw and heat
  • Single 8GB 1Rx4 module simplifies capacity upgrades
  • Validated for Supermicro A+ Server 1012, 1042, 1122, 2022 series

Server-Specific 8GB DDR3L ECC RDIMM

This module is an 8GB DDR3L 1600 registered DIMM built for Supermicro A+ Server series including 1012C, 1012G, 1042G, 1122GG and 2022G. It operates at 1.35V with CL11 latency and provides error-correcting code protection for data integrity. The 240-pin form factor fits only compatible server and workstation boards.

Sustained Load Behaviour

Registered buffering reduces electrical load on the memory controller, allowing stable operation across all populated slots during continuous workloads. ECC circuitry detects and corrects single-bit errors in real time without halting the system. The 1.35V DDR3L voltage lowers power draw and heat output compared to standard DDR3 during extended runs.

DDR3L Interface Limits

The DDR3L 1600 standard caps transfer rates at PC3L-12800, so bandwidth cannot exceed this ceiling regardless of CPU capability. Mixing registered modules with unbuffered memory is not supported and will prevent boot. Systems requiring higher frequencies or greater densities must move to a newer memory generation. Buyers needing unbuffered ECC or desktop-compatible RAM cannot use this module.

How it compares

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

Price $24.99
Cheaper than about 88% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $3.12 per GB
Cheaper than about 89% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number1R6T31R408 GB
Total capacity8 GB
Product type240-Pin DDR3L ECC RDIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Memory rank1Rx4
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsSupermicro A+ Server 1012C Series
Supermicro A+ Server 1012G Series
Supermicro A+ Server 1042G Series
Supermicro A+ Server 1122GG Series
Supermicro A+ Server 2022G Series

Other versions of this model

5 more in the same range

Questions about this item

Does the 1.35V DDR3L module run cooler than standard DDR3 in a Supermicro A+ server?

The 1.35V DDR3L voltage reduces power draw and heat compared with 1.5V DDR3, helping the 1Rx4 registered DIMM stay cooler during continuous server workloads.

Must the Supermicro A+ motherboard have 240-pin DDR3L slots that support ECC registered memory?

Yes, the module requires a 240-pin DDR3L slot that accepts ECC registered RDIMMs; it will not work in unbuffered or non-ECC slots.

Can I add this 8GB 1Rx4 RDIMM alongside existing 2Rx4 modules in a Supermicro 1012G system?

Mixing 1Rx4 and 2Rx4 registered DIMMs is usually supported, but the Supermicro 1012G memory population rules should be checked for rank limits per channel.

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