SIIG JK-US0312-S1 Black 86 Normal Keys 5 Function Keys USB Wired Mini Multimedia Keyboard Palm Rest: N/A Normal Keys: 86 Function Keys: 5 Operating System Supported: Windows 8 (32-/64-bit) / 7 (32-/64-bit) / Vista (32-/64-bit) / XP (32-/64-bit) / Server 2003 & 2008 (32-/64-bit) / Server 2008 R2 / 2000 SP4 System Requirement: PC computer with an available USB port Dimensions: 0.88 x 12.50 x 6.00 (H x W x D) Parts: 1 year limited