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Green 288-pin DDR4 LRDIMM module with black memory chips, no heat spreader

OWC

OWC 128GB DDR4 2400 CL17 8Rx4 1.2V ECC LRDIMM 288-pin memory upgrade

SKU CH-MTXK-CA91M

A single 128GB DDR4 2400 CL17 ECC load-reduced DIMM for Fujitsu PRIMERGY BX2560 M2, BX2580 M2, RX2530 M2, RX2540 M2 and RX2560 M2 servers

  • Capacity128GB
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCYes
  • 128 GB capacity expands server memory for large workloads
  • DDR4 2400 speed with CL17 latency delivers responsive data access
  • ECC load-reduced design corrects errors and reduces electrical load
  • 2 V operation lowers power draw in dense configurations
  • Compatible with Fujitsu PRIMERGY BX2560 M2, BX2580 M2, RX2530 M2, RX2540 M2 and RX2560 M2

Target Server Platforms

This 128GB DDR4 module is built for Fujitsu PRIMERGY BX2560 M2, BX2580 M2, RX2530 M2, RX2540 M2 and RX2560 M2 servers. It replaces Fujitsu part numbers S26361-F3935-L517, S26361-F3935-E517, S26361-F3935-L617 and S26361-F3935-E617. The kit suits administrators expanding memory capacity in these qualified systems. It will not work in standard desktops or with unbuffered and registered ECC DIMMs.

Load-Reduced 288-Pin Form Factor

The module uses a 288-pin LRDIMM design without a heat spreader, operating at 1.2V. Load-reduced buffering reduces electrical load on the memory bus, allowing higher densities per channel. Mixing this module with unbuffered or registered ECC memory is not supported. Backward compatibility with 2133MHz operation is included for flexible deployment.

ECC Stability at DDR4 2400

CL17 latency and ECC error correction protect data integrity in continuous server workloads. The 8Rx4 organisation delivers 128GB in a single slot, maximising capacity within the platform limits. JEDEC and RoHS compliance confirms standard voltage and thermal behaviour for the qualified PRIMERGY chassis.

Highlights

  • 128 GB capacity expands server memory for large workloads
  • DDR4 2400 speed with CL17 latency delivers responsive data access
  • ECC load-reduced design corrects errors and reduces electrical load
  • 2 V operation lowers power draw in dense configurations
  • Compatible with Fujitsu PRIMERGY BX2560 M2, BX2580 M2, RX2530 M2, RX2540 M2 and RX2560 M2

Specifications

BrandOWC
Part Number2L4D48R4128G
Capacity128GB
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank8Rx4
Heat SpreaderNo
Compatible SystemFujitsu PRIMERGY BX2560 M2
Fujitsu PRIMERGY BX2580 M2
Fujitsu PRIMERGY RX2530 M2
Fujitsu PRIMERGY RX2540 M2
Fujitsu PRIMERGY RX2560 M2

Questions about this item

What DDR4 speed and CAS latency does the 128GB LRDIMM run at, and what lower speed does it also support?

The module operates at DDR4 2400 (PC4-19200) with CL17 latency and is backward compatible with 2133 MHz systems.

What physical slot and form factor does this 288-pin ECC Load Reduced DIMM require?

It fits a standard 288-pin DDR4 DIMM slot in compatible Fujitsu PRIMERGY BX2560 M2, BX2580 M2, RX2530 M2, RX2540 M2 and RX2560 M2 servers.

How is the module installed and what common mixing mistake must be avoided?

Power down the server, open the chassis, align the notch with the slot key and press firmly until the latches click. Do not mix this Load Reduced ECC DIMM with unbuffered or standard registered ECC memory.

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