1Suitable for Terasic DE10Nano FPGA board/MisTer FPGA, a good replacement choice. 2This ultrathin (xsd) v2.5 board provides 128mb SDR SDRAM memory for cores that require larger (>512KB) memory (including for Neo Geo core). 3100% for Neo Geo ROM library playable, Alliance memory AS4C32M16SB7TIN chips. 4Full assembled and tested, each 128mb SDRAM ultrathin (xsd) v2.5 board has been tested for more than an hour at 140 MHz. 5Made of high quality material, which makes it durable and has a long service life. Item Type:SDRAM BoardMaterial: forPCBColor: As Picture ShownWeight: Approx. 12.0g/0.4ozFeatures: Suitable For Terasic DE10-Nano FPGA Board128MB SDRAM Capacity100% for Neo Geo ROM Library PlayableAlliance Memory AS4C32M16SB-7TIN ChipsCompatible for MiSTer IO BoardFull Assembled and Tested 1 x XSD V2.5 SDRAM Board