Dell 077TP7 | System Board for Inspiron 15R 3521 with Intel i5-3337U 1.8GHz

1. Processor: Intel Core i5-3337U 1.8GHz
2. Chipset: Intel HM76 Express
3. Memory: 2 DDR3 SODIMM slots, supports up to 8GB RAM
4. Graphics: Integrated Intel HD Graphics 4000
5. Audio: Integrated stereo speakers and microphone
6. Networking: Integrated 10/100 Ethernet LAN, Wireless-N 1705 + Bluetooth 4.0
7. Expansion Slots: 1 Half Mini-Card slot
8. Storage: 2 SATA connectors for 2.5" hard drive or SSD
9. Ports: 2 USB 3.0, 2 USB 2.0, HDMI, VGA, RJ-45, headphone/microphone combo jack, SD card reader
10. BIOS: UEFI BIOS
11. Dimensions: 9.45 x 7.28 inches
12. Weight: 1.5 pounds

Notes:
1. This system board is compatible with the Dell Inspiron 15R 3521 laptop model.
2. The integrated Intel HD Graphics 4000 provides decent graphics performance for everyday use.
3. The Wireless-N 1705 + Bluetooth 4.0 module allows for wireless connectivity and easy pairing with other devices.