1、Suitable for Terasic DE10‑Nano FPGA board/MisTer FPGA, a good replacement choice. 2、This ultra‑thin (xs‑d) v5 board provides 128mb SDR SDRAM memory for cores that require larger (>512KB) memory (including for Neo Geo core). 3、100% for Neo Geo ROM library playable, Alliance memory AS4C32M16SB‑7TIN chips. 4、Full assembled and tested, each 128mb SDRAM ultra‑thin (xs‑d) v5 board has been tested for more than an hour at 140 MHz. 5、Made of high quality material, which makes it durable and has a long service life. 1 x XS‑D V2.5 SDRAM Board Item Type: SDRAM BoardMaterial: for PCBColor: 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 Board Full Assembled and Tested