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Green rectangular DDR4 RDIMM circuit board with black memory chips and gold edge connector

OWC

OWC 32GB DDR4 2400 PC4-19200 CL17 2Rx4 288-pin 1.2V ECC Registered RDIMM memory upgrade

SKU CH-08QQ-7ZZNR

32 GB DDR4 2400 ECC registered RDIMM for Cisco HX220c M4 and HX240c M4 servers

  • Capacity32GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCYes

Capacity 32GB

  • ECC registered design protects data integrity in servers
  • 32 GB capacity extends memory headroom for virtualisation
  • DDR4 2400 CL17 speed matches Cisco HX220c M4 and HX240c M4 specs
  • 2 V operation reduces power draw per module
  • Direct replacement for Cisco part numbers HXMR1X322RVA and UCSMR1X322RVA

System-Specific Server Memory

This OWC 32GB DDR4 module is built for Cisco HX220c M4 and HX240c M4 servers. It delivers ECC Registered reliability for workloads that cannot tolerate silent data corruption. The single 32GB RDIMM fits 288-pin slots in compatible workstation and NAS platforms.

Registered ECC With 2Rx4 Organisation

The decisive spec is the 2Rx4 registered ECC design at CL17 latency. This organisation is required by the target Cisco platforms and cannot be mixed with unbuffered or load-reduced DIMMs. The module runs at the standard 1.2V DDR4 voltage.

Steady-State Server Operation

Under sustained load the registered buffer reduces electrical stress on the memory controller, keeping signal integrity stable across all ranks. ECC circuitry corrects single-bit errors continuously, preventing crashes during long compute runs. The absence of a heat spreader relies on chassis airflow for thermal management.

Highlights

  • ECC registered design protects data integrity in servers
  • 32 GB capacity extends memory headroom for virtualisation
  • DDR4 2400 CL17 speed matches Cisco HX220c M4 and HX240c M4 specs
  • 2 V operation reduces power draw per module
  • Direct replacement for Cisco part numbers HXMR1X322RVA and UCSMR1X322RVA

Specifications

BrandOWC
Part Number2R4D42R432GB
Capacity32GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemCisco HX220c M4
Cisco HX240c M4

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Questions about this item

Will the 2400 MT/s rating run at full speed in a Cisco HX220c M4?

Yes, the module is validated for that platform and will operate at DDR4 2400 (PC4-19200) with CL17 timing.

Does the 288-pin registered ECC form factor fit standard desktop motherboards?

No, it requires a server or workstation board that supports registered ECC RDIMMs; it will not work in consumer desktops.

What physical slot and keying does the 288-pin RDIMM need?

It installs in a standard DDR4 288-pin DIMM slot keyed for registered ECC modules.

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