HYMP151P72CP4-Y5 I GENUINE HYNIX 4 GB PC2-5300 DDR2 ECC DIMM Memory LOT OF 50Technical Information Memory Size 4 GB Memory Technology DDR2 SDRAM Number of Modules 50 x 4 GB Memory Speed 667 MHz Memory Standard DDR2 667 PC2 5300 Error Checking Parity Listing is for 50 sticks of HYMP151P72CP4 Y5 4GB Hynix memory. Manufacturer Part Numbers: HYMP151P72CP4 Y5, 405477 061, 432670 001, 408854 B21 Date Code: 0911 We ship all products according to manufacturer specifications. If the manufacturer does not include an option as standard