UDIMM Find below all of our most popular packaging options for UDIMM memory. 50-Count DDR3/4 UDIMM Tray Add to Quote 50-Count DDR4 UDIMM Tray (OEM style) Add to Quote 25-Count DDR3/4 UDIMM Tray Add to Quote 20-Count DDR3/4 w/Heatshield UDIMM Tray Add to Quote 10-Count UDIMM or 20-Count SODIMM DDR4 Combo Tray Add to Quote 10-Count UDIMM or 20-Count SODIMM DDR3 Combo Tray Add to Quote 2-Count DDR3/4 UDIMM Clamshell Add to Quote Single Count DDR3/4 UDIMM Clamshell Add to Quote Single Count UDIMM Clamshell Case Qty: 1000 Technology: DDR3/4 2-Count UDIMM Clamshell Case Qty: 500 Technology: DDR3 & 4 10-Count UDIMM or 20-Count SODIMM Combo Tray Case Qty: 500 Technology: DDR3 & 4 20-Count DDR3/4 w/Heatshield UDIMM Tray Case Qty: 200 Technology: DDR3/4 25-Count DDR3/4 UDIMM Tray Case Qty: 200 Technology: DDR3/4 50-Count UDIMM Tray Case Qty: 100 Technology: DDR3/4