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Four green 240-pin DDR3L RDIMM modules in static bags

OWC

OWC 128GB (4x32GB) DDR3L 1866 CL13 4Rx4 240-pin 1.35V ECC Registered RDIMM Server RAM

SKU CH-147T-QCJ36

128 GB DDR3L ECC registered quad-rank kit runs at 1866 MHz with CL13 latency at 1.35 V

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR3L 1866 (PC3L 14900)
  • CAS latencyCL13
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank4Rx4

Capacity 128GB (4 x 32GB)

Rank 4Rx4

  • ECC registered design protects data integrity in servers
  • 128 GB kit (4 × 32 GB) expands memory capacity
  • DDR3L 1866 CL13 at 1.35 V lowers power draw
  • 240-pin RDIMM fits workstation and server slots
  • JEDEC and RoHS compliant for warranty-safe upgrades

128 GB DDR3L ECC Registered Kit

This kit supplies 128 GB across four 32 GB modules of DDR3L 1866 registered ECC memory. It is built for workstations, servers and NAS systems that require error-correcting registered DIMMs.

240-pin 1.35 V dual-channel layout

The 240-pin modules run at 1.35 V and are organised as a dual-channel kit. They need a platform that supports DDR3L registered ECC memory and cannot be mixed with unbuffered modules. The kit frees the builder from sourcing matched sticks individually.

Replaces smaller DDR3L registered sets

Upgrading from lower-capacity registered kits or from non-ECC memory is worthwhile when the workload demands maximum registered capacity and data integrity. The jump is not worthwhile for standard desktop boards that only accept unbuffered memory.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $333.99
Pricier than about 62% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $2.61 per GB
Cheaper than about 91% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number1R8T34R4128S
Total capacity128 GB (4 × 32 GB)
Product type240-Pin DDR3L ECC RDIMM
Performance
Rated speedDDR3L 1866 (PC3L 14900)
Memory
CAS latencyCL13
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.35 V

Other versions of this model

5 more in the same range

Questions about this item

Will the 1.35V DDR3L 1866 CL13 4Rx4 modules throttle under sustained server workloads?

The kit runs at standard JEDEC 1.35V with CL13 timings at 1866 MHz; thermal throttling is not a specified limit for these registered ECC DIMMs.

How much heat and power does the 128 GB quad-rank kit generate during 24/7 operation?

Each 32 GB 4Rx4 module operates at 1.35V DDR3L voltage; total power draw scales with all four DIMMs populated, and the modules have no integrated heat spreaders.

Which motherboard features must my system already have to use this 240-pin DDR3L ECC registered kit?

The platform must provide DDR3L 240-pin slots, registered ECC support, and a memory controller qualified for 4Rx4 32 GB DIMMs at 1866 MHz.

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