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Two green 240-pin DDR3L ECC registered DIMMs with gold contacts

OWC

OWC 64GB (2x32GB) DDR3L 1600 CL11 ECC Registered RDIMM 240-pin 1.35V

SKU CH-B88K-VB87H

ECC Registered DDR3L kit adds 64 GB across two 32 GB modules at 1600 MHz CL11 for compatible Supermicro A+ servers

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank4Rx4

Capacity 64GB (2 x 32GB)

  • 64 GB capacity in a matched 2 x 32 GB kit
  • DDR3L 1600 CL11 registered ECC for data integrity
  • Low 1.35 V operation reduces server power draw
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Qualified for Supermicro A+ Server 2022TC 2022TG 4022G 4042G

Server ECC Registered Memory Upgrade

This OWC kit supplies 64GB of DDR3L ECC registered memory in a matched pair of 32GB modules. It is built for Supermicro A+ Server models including the 2022TC, 2022TG, 4022G and 4042G series. The registered design and error-correcting code suit workloads that require data integrity in workstation and server environments.

Verify Platform Compatibility First

Confirm your system accepts DDR3L 240-pin registered DIMMs running at 1.35V before ordering. Standard desktop motherboards cannot use registered modules and will not boot with this kit installed. Mixing these 4Rx4 sticks with unbuffered memory is not supported and will prevent operation.

JEDEC Standard Build for Daily Reliability

Modules follow JEDEC and RoHS specifications without heat spreaders, keeping the standard low-profile height for dense server chassis. The 240-pin edge connector seats firmly in DDR3L slots and the 1.35V operation reduces thermal load during continuous uptime. Each stick is tested to meet OEM requirements for warranty-safe deployment.

How it compares

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

Price $168.99
Cheaper than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $2.64 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 number1R6T34R4064P
Total capacity64 GB (2 × 32 GB)
Product type240-Pin DDR3L ECC RDIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsSupermicro A+ Server 2022TC Series
Supermicro A+ Server 2022TG Series
Supermicro A+ Server 4022G Series
Supermicro A+ Server 4042G Series

Other versions of this model

5 more in the same range

Questions about this item

Does the kit include only the two 32 GB modules or are any tools or cables supplied?

The kit contains exactly two 32 GB DDR3L 1600 CL11 ECC Registered RDIMM modules; no tools, cables or additional hardware are included.

Should I choose a different capacity or rank for the Supermicro A+ Server 2022TG?

This 64 GB kit uses 4Rx4 32 GB modules validated for the 2022TC, 2022TG, 4022G and 4042G series; select this kit when those systems require 4Rx4 registered ECC DIMMs.

What does the PC3L-12800 1600 MHz rating deliver in a registered ECC server?

The modules run at 1600 MHz with CL11 latency at 1.35 V, providing JEDEC-standard DDR3L bandwidth for error-corrected workloads in the listed Supermicro A+ servers.

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