Description: Type: Dram. Storage capacity: 4gb. Memory technology: ddr3 sdram. Number of modules: 1 x 4gb. Memory speed: 1333mhz ddr3-1333/pc3-10600. Data integrity check: ecc. Signal processing: registered. Cas latency timings: cl9. Form factor: 240-pin dimm. Dimensions: 2.00 (height) x 7.00 (depth).