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Green rectangular circuit board with gold edge contacts and black memory chips on both sides

OWC

OWC 128GB DDR4 3200 CL22 4Rx4 ECC Load Reduced LRDIMM memory upgrade

SKU CH-RSAF-RCATQ

128 GB DDR4 3200 ECC load-reduced LRDIMM for Gigabyte E252 and G242 servers

  • Capacity128GB
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS Latency22
  • Voltage1.2V
  • ECCYes

Capacity 128GB

Struck-through versions exist but are not stocked here.

  • 128 GB capacity lets you run large workloads on compatible Gigabyte servers
  • DDR4 3200 speed with CL22 latency delivers high throughput for demanding applications
  • ECC load-reduced design corrects errors and reduces electrical load on the memory bus
  • 2 V operation lowers power draw while maintaining JEDEC-standard performance
  • Backward compatible with 2133, 2400, 2666 and 2933 MHz systems for flexible deployment

Server-grade 128GB DDR4 LRDIMM

This 128GB DDR4 3200 CL22 module is built for Gigabyte E252-P30, E252-P31, G242-P31, G242-P32 and G242-P33 platforms. It targets administrators who need maximum registered capacity in supported server, workstation or NAS chassis. Standard desktop boards cannot use load-reduced ECC memory.

DDR4 3200 with backward speed steps

The PC4-25600 rating runs at 3200MHz CAS 22 and will also operate at 2133MHz, 2400MHz, 2666MHz or 2933MHz when the platform requires a lower data rate. Mixing this load-reduced DIMM with unbuffered or registered ECC modules is not supported by the memory controller.

288-pin LRDIMM without heat spreader

The bare 288-pin PCB fits dense multi-slot configurations where tall spreaders would block adjacent sockets. Operating at 1.2V, the module draws standard DDR4 power while delivering 4Rx4 organisation for high-capacity ranks. JEDEC and RoHS compliance ensures warranty-safe installation in qualified Gigabyte systems.

Highlights

  • 128 GB capacity lets you run large workloads on compatible Gigabyte servers
  • DDR4 3200 speed with CL22 latency delivers high throughput for demanding applications
  • ECC load-reduced design corrects errors and reduces electrical load on the memory bus
  • 2 V operation lowers power draw while maintaining JEDEC-standard performance
  • Backward compatible with 2133, 2400, 2666 and 2933 MHz systems for flexible deployment

Specifications

BrandOWC
Part Number3L2D44R4128G
Capacity128GB
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 3200 (PC4 25600)
CAS Latency22
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo
Compatible SystemGigabyte E252-P30
Gigabyte E252-P31
Gigabyte G242-P31
Gigabyte G242-P32
Gigabyte G242-P33

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Should I pick the 128GB 4Rx4 LRDIMM or a smaller registered ECC DIMM for my Gigabyte E252-P30?

The E252-P30 only accepts load-reduced ECC modules; registered ECC DIMMs will not work, so the 128GB 4Rx4 LRDIMM is the correct choice.

What does the 3200 MT/s rating deliver once the module is installed in a Gigabyte G242-P31?

The module runs at 3200 MT/s CL22 at 1.2 V; if the platform only supports 2933 MT/s it will down-clock automatically while keeping ECC and load-reduced operation.

How does the 288-pin DDR4 LRDIMM interface limit real-world bandwidth on a Gigabyte E252-P31?

The 288-pin DDR4 bus caps theoretical throughput at PC4-25600; actual bandwidth depends on the CPU memory controller and channel population, not the module alone.

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