ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR HP t640, 2.4 GHz, AMD, AMD Ryzen Embedded, AMD Ryzen Embedded R1000 Series, R1505G, 3.3 GHz HP t640. Processor frequency: 2.4 GHz, Processor manufacturer: AMD, Processor family: AMD Ryzen Embedded. Internal memory: 8 GB, Internal memory type: DDR4-SDRAM, Memory clock speed: 2400 MHz. Total storage capacity: 64 GB, Storage media: eMMC. On-board graphics card model: AMD Radeon Vega 3. Top Wi-Fi standard: Wi-Fi 6 (802.11ax), Wi-Fi standards: Wi-Fi 6 (802.11ax), Ethernet LAN data rates: 10,100,1000 Mbit/s