4GB PC4-19200T-R ECC RAM for HP Z440 Z640 Z840 Memory

Condition: Refurbished, fully tested.

Manufacturer: Major Manufacturer such as Kingston, Hynix, Micro, or Samsung. (No generic brand)

Compatible with: HP Z440 Z640 Z840. If you plan on combining memory with any already existing memory, please contact us prior to purchase to ensure they are compatible or to match in ranking and chip count. Some Server and Workstation Models are compatible with more than one type of memory. Please contact us to confirm it is compatible with your model.

Component Density: 1 x 4GB Modules, Total 4GB

Product Bus Type: PC4-2400T-R

Component Speed: PC4 17000 (DDR4-2400)

Registered or Unbuffered: Registered

Error Correction Code (ECC): Yes, ECC Memory is Server and workstation memory, and is not compatible with PC's or any computer using Intel Core Processors.

If you plan on combining memory with any already existing memory, please contact us prior to purchase to ensure they are compatible or to match in ranking and chip count. Some Server and Workstation Models are compatible with more than one type of memory. Please contact us to confirm it is compatible with your model.

Have questions? Or need help finding a different item? Need Combined Shipping? Please call 1-866-447-5335 for more information. Note that a stock photo is used and unit may differ depending on configuration.