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Green circuit board with gold edge connector and black memory chips

OWC

OWC 128GB DDR4 3200 CL22 4Rx4 ECC LRDIMM 288-pin memory upgrade

SKU CH-S7SY-6ZGEW

128 GB DDR4-3200 ECC load-reduced DIMM for Gigabyte R182-Z90, R182-Z91, R182-Z92, R182-Z93 and R262-ZA0 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.

  • High capacity for demanding server workloads with 128GB per module
  • ECC load-reduced design protects data integrity in critical applications
  • DDR4 3200 speed with CL22 latency for responsive performance
  • Low 1.2V voltage reduces power draw in dense configurations
  • Validated for Gigabyte R182-Z90, Z91, Z92, Z93 and R262-ZA0 systems

Server-grade capacity upgrade

This 128GB DDR4 LRDIMM module targets administrators upgrading compatible Gigabyte servers and workstations. It delivers ECC load-reduced operation at 3200MHz with a CL22 latency profile. The 4Rx4 organisation and 1.2V voltage suit high-density memory channels in qualified platforms.

JEDEC-standard compliance

The module meets JEDEC and RoHS requirements for a warranty-safe installation. Backward compatibility with 2133MHz, 2400MHz, 2666MHz and 2933MHz systems allows deployment across mixed-speed environments. It cannot be mixed with unbuffered or registered ECC DIMMs in the same channel.

288-pin load-reduced form factor

The bare 288-pin PCB fits standard DDR4 LRDIMM slots without a heat spreader, simplifying dense configurations. Qualified part numbers include Micron MTA72ASS16G72LZ3G2 variants, Samsung M386AAG40AM3-CWE and M386AAG40BM3-CWE, plus Hynix HMABAGL7ABR4N-XNT5 and HMABAGL7CBR4N-XNT5. Buyers needing unbuffered desktop memory or registered ECC modules should select a different product type.

Highlights

  • High capacity for demanding server workloads with 128GB per module
  • ECC load-reduced design protects data integrity in critical applications
  • DDR4 3200 speed with CL22 latency for responsive performance
  • Low 1.2V voltage reduces power draw in dense configurations
  • Validated for Gigabyte R182-Z90, Z91, Z92, Z93 and R262-ZA0 systems

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 R182-Z90
Gigabyte R182-Z91
Gigabyte R182-Z92
Gigabyte R182-Z93
Gigabyte R262-ZA0

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

Will the 128GB 4Rx4 ECC LRDIMM need any firmware updates or reconfiguration if I add a second identical module later?

The module follows JEDEC DDR4 3200 PC4-25600 CL22 1.2V specifications, so a second identical stick can be added without firmware changes; the server BIOS will train both ranks automatically.

What electrical or thermal limit appears first when the 128GB LRDIMM runs at full 3200MT/s load continuously?

The 1.2V JEDEC voltage ceiling is the first hard limit; sustained throughput is constrained by the DDR4 3200 data rate and CL22 latency rather than a thermal throttle point.

How much extra heat and fan noise does the 1.2V 4Rx4 LRDIMM add when the server runs 24/7?

At 1.2V the module draws standard DDR4 power for its density; no heat spreader is fitted, so airflow from existing server fans handles the load without audible increase.

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