PC/Server 8 GB DDR3. 240-pin DIMM 1 x 8 GB. ECC. Description: QNAP 8GB DDR3-1600 ECC LONG-DIMM RAM Module. Features. ECC. Yes. Memory form factor. 240-pin DIMM. Component for. PC/Server. Memory clock speed. 1600 MHz. Internal memory type. DDR3. Memory layout (modules x size). 1 x 8 GB. Internal memory. 8 GB. Logistics data. Harmonized System (HS) code. 84733020