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Green printed circuit board with black memory chips, gold edge connector, no heat spreader

OWC

OWC 16GB DDR4 2666MHz ECC Registered RDIMM memory upgrade for Lenovo ThinkStation P720 P920

SKU CH-WJ1G-PWRXZ

16 GB DDR4 2666 MHz ECC registered RDIMM for Lenovo ThinkStation P720 and P920 workstations

  • Capacity16GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes
  • 16 GB DDR4 ECC registered memory adds reliable capacity to ThinkStation P720 and P920
  • 2666 MHz CL19 speed with 1.2 V operation keeps data flowing efficiently in workstation workloads
  • 288-pin RDIMM form factor fits directly into Lenovo server-class slots without adapters
  • Backward compatible with 2133 MHz and 2400 MHz systems for flexible deployment
  • Replaces Lenovo part numbers 01AG618, 4X70P98202 and 7X77A01303 for exact OEM compatibility

Targeted Workstation Upgrade

This 16GB DDR4 2666MHz ECC Registered RDIMM is built for Lenovo ThinkStation P720 and P920 workstations. It delivers 16GB of error-correcting, registered memory at 1.2V with CL19 latency. The 288-pin 2Rx8 modules are validated for server and workstation workloads that require data integrity.

Replaces Lenovo Factory Modules

It directly replaces Lenovo part numbers 01AG618, 4X70P98202 and 7X77A01303. The jump is worth it when expanding capacity beyond the original configuration or when a failed module needs a validated spare. It is not for standard desktop PCs and cannot be mixed with unbuffered memory.

Simple DIMM Installation

Installation follows the standard workstation DIMM slot procedure: power down, open the chassis, align the notch, and seat the module until the latches click. The main risk is mixing registered and unbuffered DIMMs in the same system, which prevents boot. Backward compatibility with 2133MHz and 2400MHz buses is supported.

Privalumai

  • 16 GB DDR4 ECC registered memory adds reliable capacity to ThinkStation P720 and P920
  • 2666 MHz CL19 speed with 1.2 V operation keeps data flowing efficiently in workstation workloads
  • 288-pin RDIMM form factor fits directly into Lenovo server-class slots without adapters
  • Backward compatible with 2133 MHz and 2400 MHz systems for flexible deployment
  • Replaces Lenovo part numbers 01AG618, 4X70P98202 and 7X77A01303 for exact OEM compatibility

Specifikacijos

BrandOWC
Part Number2R6D42R816GB
Capacity16GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo
Compatible SystemLenovo ThinkStation P720
Lenovo ThinkStation P920

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Will this 288-pin DDR4 RDIMM fit the memory slots in my Lenovo ThinkStation P720 or P920?

Yes, the module is a 288-pin DDR4 ECC Registered DIMM designed for the ThinkStation P720 and P920 workstations.

What is the correct way to install this ECC Registered memory, and what common mistake should I avoid?

Install the RDIMM in the correct DIMM slots for your CPU configuration and do not mix it with unbuffered memory, as the two types are incompatible.

Will I need to replace or service this 16GB module later, and what warranty covers it?

The module has no moving parts and requires no routine maintenance; it is covered by OWC's limited lifetime warranty with free technical support.

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