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Four green DDR3L ECC registered DIMMs with gold contacts

OWC

OWC 128GB (4x32GB) DDR3L 1600 ECC Registered RDIMM memory upgrade

SKU CH-4GEX-3VS38

Adds 128GB of DDR3L 1600 ECC registered memory in four 32GB modules for compatible Dell PowerEdge servers

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank4Rx4

Capacity 128GB (4 x 32GB)

  • ECC registered design protects data integrity in servers
  • 128 GB total capacity across four 32 GB modules
  • DDR3L 1600 speed with CL11 latency for responsive performance
  • Low 1.35 V operation reduces power draw and heat
  • Validated for Dell PowerEdge R320, R415, R420, R420XR, R515

Server-grade DDR3L upgrade kit

This OWC kit delivers 128GB of DDR3L 1600 ECC registered memory across four 32GB modules. It is built for Dell PowerEdge R320, R415, R420, R420XR and R515 servers that require registered DIMMs with error correction.

Verify registered DIMM support and voltage

Confirm your system accepts 240-pin DDR3L registered RDIMMs at 1.35V and cannot use unbuffered modules. Mixing registered and unbuffered memory will prevent the server from posting, so all slots must use the same registered type.

Populates four slots for maximum capacity

The four-module kit fills four DIMM slots, leaving any remaining slots free for future expansion if the chassis supports more. Registered buffering reduces electrical load on the memory controller, helping stability in multi-DIMM configurations.

How it compares

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

Price $321.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $2.52 per GB
Cheaper than about 92% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number1R6T34R4128S
Total capacity128 GB (4 × 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 systemsDell PowerEdge R320
Dell PowerEdge R415
Dell PowerEdge R420
Dell PowerEdge R420XR
Dell PowerEdge R515

Other versions of this model

5 more in the same range

Questions about this item

What comes in the box with the 128GB kit and do I need anything else to install it?

The kit contains four 32GB DDR3L 1600 CL11 1.35V ECC Registered 240-pin RDIMM modules. No extra parts are required for installation in a compatible server.

Should I choose the 128GB (4x32GB) kit or a different capacity for my PowerEdge R420?

This 128GB kit uses four 32GB 4Rx4 modules. Choose it if your R420 supports 4Rx4 Registered DIMMs and you need the maximum capacity this configuration provides.

What does the PC3L-12800 1600MHz rating mean once the memory is running in my R320?

The modules will operate at 1600 MT/s with CL11 latency at 1.35V, delivering 12800 MB/s peak bandwidth per module in the R320's memory controller.

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