Hardware compatibilityThe HP 9.5mm Slim BDXL Blu-Ray Writer is compatible with the HP Z420 Z440 Z620 Z640 Z820 and Z840 Workstations. Not all models available in all regions.Add Blu-Ray functionality to your HP Z Workstation with an HP 9.5mm Slim BDXL Blu-Ray Writer.FeaturesMulti-platform compatibleBack up copy and transfer files on a writer that creates Blu-Ray DVD discs that can be played on most set-top players and Blu-ray or DVD-ROM drives. Record erase and re-record CD-RW DVD+RW DVD-RW DVD-RAM BD-R and BD-RE discs up to 500 times.1Plenty of storageStore up to 128 GB of data on a quad-layer disk 100 GB on a triple-layer disk and 50 GB on a dual-layer disk or record up to nine hours of high-definition (HD) video or 23 hours of standard-definition (SD) video on a 50 GB disc.Easy SATA interfaceEnjoy fast data transfer speeds solid system cooling airflow high dedicated bandwidth and headroom for speed increases in future generations.Supported by HPProtect your investment with a warranty that is backed the same world-class HP service and support you get for your workstation.