Package tray with lid for 50PCs Dimm (Long DIMM, Desktop or Server memory) For DDR1, DDR2, DDR3, DDR4 or DDR5 Desktop or Server modules) Fit 50PCs modules without Heatsink or 25PCs with Heatsink (ESD package) PACK OF 2 TRAYS (TOTAL HOLD 100PCS MODULES)