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Green circuit board DDR4 memory module with black chips and gold contacts

OWC

OWC 64GB DDR4 2933 ECC Load Reduced DIMM memory upgrade

SKU CH-WKWX-YDXA3

A 64 GB DDR4-2933 ECC load-reduced DIMM for Fujitsu PRIMERGY CX2550 M5, CX2560 M5, RX2530 M5, RX2540 M5 and RX4770 M5 servers

  • Capacity64GB
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 64GB

  • 64 GB single-module capacity simplifies server memory expansion
  • ECC load-reduced design maintains data integrity under heavy workloads
  • DDR4 2933 speed with CL21 latency delivers responsive performance
  • 2 V operation reduces power draw in dense configurations
  • Validated for Fujitsu PRIMERGY CX2550 M5 CX2560 M5 RX2530 M5 RX2540 M5 RX4770 M5

Server memory module

This OWC module is a single 64GB DDR4 2933 ECC Load Reduced DIMM built for Fujitsu PRIMERGY CX2550 M5, CX2560 M5, RX2530 M5, RX2540 M5 and RX4770 M5 servers. It runs at PC4-23400 with CL21 latency and 1.2V operation. The 4Rx4 288-pin design targets data-centre workloads that require high capacity per slot. It replaces several Fujitsu part numbers including S26361F4083E464 and S26361F4083L964.

Compatibility check

Verify that your system uses DDR4 ECC Load Reduced memory; this module will not work in standard desktops or with unbuffered or ECC Registered DIMMs. Confirm the server model matches the supported PRIMERGY list and that the memory controller accepts 4Rx4 modules at 2933MHz. The module is backward compatible with 2133MHz, 2400MHz and 2666MHz bus speeds, but mixing ranks or ECC types is not supported. No heat spreader is fitted, so ensure chassis airflow meets the platform requirements.

Thermals and power

Operating at 1.2V keeps power draw low for a 64GB Load Reduced module. Without a heat spreader the DRAM relies on directed server airflow; typical inlet temperatures in supported PRIMERGY chassis keep the module within JEDEC thermal limits. Acoustic impact is negligible because the DIMM has no moving parts and adds no fan load. Power consumption scales with population density, so fully populated channels will increase total system draw proportionally.

商品特色

  • 64 GB single-module capacity simplifies server memory expansion
  • ECC load-reduced design maintains data integrity under heavy workloads
  • DDR4 2933 speed with CL21 latency delivers responsive performance
  • 2 V operation reduces power draw in dense configurations
  • Validated for Fujitsu PRIMERGY CX2550 M5 CX2560 M5 RX2530 M5 RX2540 M5 RX4770 M5

商品規格

BrandOWC
Part Number2L9D44R464GB
Capacity64GB
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo
Compatible SystemFujitsu PRIMERGY CX2550 M5
Fujitsu PRIMERGY CX2560 M5
Fujitsu PRIMERGY RX2530 M5
Fujitsu PRIMERGY RX2540 M5
Fujitsu PRIMERGY RX4770 M5

其他版本

同系列還有 5 款

同系列產品，記憶體、散熱器或時脈不同 — 下單前請先比較。

商品問答

What comes in the box and do I need anything else to install it?

The box contains one 64GB DDR4 2933 CL21 4Rx4 288-pin 1.2V ECC Load Reduced DIMM module; no extra parts are required for installation in a compatible server.

Should I choose this 64GB LRDIMM or a smaller ECC registered module?

Choose this 64GB LRDIMM only if your Fujitsu PRIMERGY CX2550 M5, CX2560 M5, RX2530 M5, RX2540 M5 or RX4770 M5 specifically requires Load Reduced memory; it cannot be mixed with registered or unbuffered DIMMs.

What does the 2933MHz rating mean once the module is running in my server?

The module will operate at up to 2933MHz and will also run at 2666MHz, 2400MHz or 2133MHz if the system bus requires a lower speed.

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