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OWC
OWC 128GB DDR4 2400 CL17 8Rx4 288-pin 1.2V ECC Load Reduced DIMM memory upgrade
A 128GB DDR4 ECC load-reduced DIMM running at 2400MHz CL17 for compatible Fujitsu PRIMERGY servers and workstations
- Capacity128GB
- Type288-Pin DDR4 ECC LRDIMM
- SpeedDDR4 2400 (PC4 19200)
- CAS LatencyCL17
- Voltage1.2V
- ECCYes
- Massive 128GB capacity in a single module for dense server memory configurations
- DDR4 2400 speed with CL17 latency delivers reliable throughput for enterprise workloads
- ECC load-reduced design reduces electrical load on the memory bus for stable multi-DIMM operation
- 2V operation lowers power draw compared to higher-voltage server memory alternatives
- Validated replacement for Fujitsu part numbers S26361-F3935-L517, S26361F3935L617, S26361-F3935-E617 and S26361-F3935-E517
Server-grade ECC LRDIMM upgrade
This 128GB DDR4 load-reduced DIMM targets Fujitsu PRIMERGY TX2560 M2, BX2580 M2, RX2530 M2, RX2540 M2 and RX2560 M2 servers. It replaces Fujitsu part numbers S26361-F3935-L517, S26361F3935L617, S26361-F3935-E617 and S26361-F3935-E517. The module is not compatible with standard desktop computers and cannot be mixed with unbuffered or registered ECC memory.
Thermals and power profile
Operating at 1.2V, the DDR4 2400 CL17 module runs within JEDEC specifications for server platforms. No heat spreader is fitted, relying on chassis airflow for cooling. The load-reduced architecture reduces electrical load on the memory bus, helping maintain stable operation in fully populated configurations. Backward compatibility with 2133MHz systems allows deployment in mixed-speed environments.
Single-module capacity gain
The package contains one 128GB 288-pin ECC LRDIMM, delivering the full capacity increase in a single slot. This simplifies upgrades where slot count is limited and avoids the complexity of matching multiple smaller modules. OWC tests every module in-house and backs it with a limited lifetime warranty and free technical support.
Highlights
- Massive 128GB capacity in a single module for dense server memory configurations
- DDR4 2400 speed with CL17 latency delivers reliable throughput for enterprise workloads
- ECC load-reduced design reduces electrical load on the memory bus for stable multi-DIMM operation
- 2V operation lowers power draw compared to higher-voltage server memory alternatives
- Validated replacement for Fujitsu part numbers S26361-F3935-L517, S26361F3935L617, S26361-F3935-E617 and S26361-F3935-E517
Specifications
| Brand | OWC |
|---|---|
| Part Number | 2L4D48R4128G |
| Capacity | 128GB |
| Type | 288-Pin DDR4 ECC LRDIMM |
| Speed | DDR4 2400 (PC4 19200) |
| CAS Latency | CL17 |
| Voltage | 1.2V |
| ECC | Yes |
| Buffered/Registered | Load Reduced |
| Rank | 8Rx4 |
| Heat Spreader | No |
| Compatible System | Fujitsu PRIMERGY TX2560 M2 Fujitsu PRIMERGY BX2580 M2 Fujitsu PRIMERGY RX2530 M2 Fujitsu PRIMERGY RX2540 M2 Fujitsu PRIMERGY RX2560 M2 |
Questions about this item
How do I install the 128GB 8Rx4 LRDIMM in my Fujitsu PRIMERGY RX2560 M2, and what is the common mistake?
Power down, open the chassis, align the 288-pin key with the slot, press firmly until both latches click. The frequent error is mixing this Load Reduced module with Registered or Unbuffered DIMMs, which prevents boot.
What maintenance or replacement will the 128GB DDR4 2400 CL17 module need over its service life?
No scheduled maintenance is required; the module has no heat spreader or moving parts. Replacement is only necessary if a memory test reports correctable ECC errors that exceed the platform threshold.
Which limit appears first when the 1.2V LRDIMM runs sustained workloads on a PRIMERGY TX2560 M2?
The memory controller’s maximum supported capacity per channel is reached before thermal or voltage limits, so population rules dictate how many 128GB modules can be installed.
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