External Hub = XC
Transcend Part# TS-HUB3K
USB/Firewire Adapters – USB Hub - 4 Total Number of USB Ports - External - USB - 4 USB 3.0 Ports - 0.6" Height - 3.1" Width - 1.9" Depth - TS-HUB3K - PC - 2 Year Limited Warranty - 5 GB/s Data Transfer Rate
Int USB Port Kit
HP Part# EM165AA
USB/Firewire Adapters – Computer Accessory Kit - China - Your Option Limited Warranty is a one (1) year (HP Option Limited Warranty Period) parts replacement warranty on any HP-branded or Compaq-branded options (HP Options). ...