Guaranteed compatible upgrades for:

HP/Compaq Z Series Workstation Z420

System Specifications
Maximum Memory:
  • 32GB (8x 4GB, 400W PSU Chassis)
  • 64GB (600W PSU Chassis)
  • 8 Sockets (4 banks of 2)
Standard Memory:
  • 2GB (Removable)
  • Intel Xeon Intel C600 Series
  • Intel Xeon Intel C600 Series
  • Intel Xeon Intel C600 Series
  • Intel Xeon Intel C600 Series
Bus Architecture:
  • PCI; PCI Express; SSD - SATA 2.5-inch 7mm; SSD - SATA 3.5-inch; USB 2.0/3.x Type-A
Mfr's System P/N's:
  • B2B92UT; B2B97UT; B5N54LT; B5N55LT; B5N88LA; B5N88LT; B5N89LA; B5N90LA; B5N90LT; B5P60UA; B5P61UA; B5S43PA; B5S44PA; B5S45PA; B5S46PA; B5S47PA; B5S48PA; B5S49PA; B5S50PA; B5S51PA; B5S52PA; B8A88PA; B8A89PA; B8A90PA; B8A91PA; B8A92PA; B8A93PA; B8A94PA; B8A95PA; B8A96PA; B8A97PA; B8N23PA; B8N24PA; B8N25PA; B8N26PA; B8N27PA; B8N28PA; B8N29PA; B8N30PA; B8N31PA; B8P36UP; B8P40UP; B8P41UP; B8P62UP; B8P67UP; B8P76UP; B8P82UP; B8Q10UP; B8Q11UP; B8Q13UP; B8Q40UP; B8Q73UP; B8Q75UP; B8R04UP; B8R07UP; B8R09UP; B8R20UP; B8R26UP; B8V25LA; B8V30LT; B8V31LT; B8V34LT; B9T67US; B9T69US; B9T76US; B9U01US; B9U05US; B9U21US; B9U33US; B9U37US; B9U44US; B9U65US; B9U68US; B9U74US; B9U83US; B9U90US; B9V02US; B9V06US; B9V11US; B9V44US; B9V54US; B9V87US; D5W50UP; D6E23US; D6E25US; D6E61US; D6E76US; D6F35US; D6F37US; D6F72US; D6F86US; D6F87US; D6G52US; D6H11US; D6H23US; D7W41UC; F1K67LA; F1L12UT; H5A23EP; WM447ET; WM448ET; WM453EA; WM454EA; WM466ET; WM477ET; WM480EA; WM643ET
Upgrade Path:
  • Virtually any configuration up to 64GB can be reached using 4 and 8GB modules.