![USRP E310 Micro SD card](https://www.ettus.com/wp-content/uploads/2019/01/MicroSD_650x650_12181216_1.png)
783777-01 | USRP E310 Imaged Micro SD Card - Ettus Research
Includes one pre-programmed 8GB microSD card for the USRP E310. with a Linux OS, UHD and GNU Radio preinstalled.
![Board Mounted GPSDO (TCXO) Recommended for USRP B200/B210](https://www.ettus.com/wp-content/uploads/2019/01/ocxo_650x650_1.jpg)
783454-01 | BOARD MOUNTED GPSDO KIT (PCB-MOUNTED GPS-DISCIPLINED TCXO)
This is a GPS-disciplined, temperature-controlled crystal oscillator (GPSDO), which is recommended for use with a USRP B200/B210. The GPSDO provides a high-accuracy 10 MHz reference and 1 PPS signal, which allows developers to build systems that serve applications with improved frequency accuracy (75 ppb in unlocked condition) or global timing alignment (50 ns in locked condition).
![USRP X300/X310 Rackmount Assembly](https://www.ettus.com/wp-content/uploads/2019/01/USRP_X300_X310_Rackmount-Large_2.jpg)
783196-01 | USRP X3xx 1U Rack Mount
The 1U rackmount assembly allows users to conveniently mount select USRP devices in a compact 1U form factor. When combined with the rack-mount enclosure, it is easy to build compact, high-channel-count systems. This product is compatible with the USRP X300 and USRP X310 and allows users to integrate four complete RF channels per 1U.
![Power Supply, 12V, 7.5A (USRP X300/X310/N310/N300/E320)](https://www.ettus.com/wp-content/uploads/2019/01/Power_Block_Medium_1.png)
783349-01 | 12V, 7.5A USRP POWER SUPPLY
This universal power supply provides a nominal output of 12 V and 7.5A. It is compatible with the USRP X300, USRP X310, USRP N300, USRP N310, and USRP E320.
![GPIO Expansion Kit](https://www.ettus.com/wp-content/uploads/2019/01/brk_650x650.jpg)
783348-01 | GPIO Connection Kit for USRP X300/X310
The USRP™ GPIO Expansion Kit allows users to access general-purpose input/output (GPIO) signals of select USRP devices. GPIO can be used for a variety purposes such as controlling external RF power amplifiers or generating and accepting trigger signals from test equipment.
![Board Mounted GPSDO (OCXO) Recommended for USRP X300/X310](https://www.ettus.com/wp-content/uploads/2019/01/ocxo_650x650.jpg)
783173-01 | GPSDO for USRP X Series (PCB-Mounted GPS-Disciplined OCXO)
This is a GPS-disciplined, oven-controlled crystal oscillator (GPSDO), which is compatible with a USRP X300 or X310. The GPSDO provides a high-accuracy 10 MHz reference and 1 PPS signal. This allows developers to build system that serve applications with tight synchronization requirements, or global timing alignment within 50 ns.
![10 Gigabit Ethernet Card for Desktop](https://www.ettus.com/wp-content/uploads/2019/01/intel-x710-da2.jpg)
788600-01 | DUAL 10 GIGABIT ETHERNET PCIE INTERFACE FOR ETTUS USRP
The 10 Gigabit Ethernet Connectivity adapter card provides high-speed network connectivity between a PC and a USRP X300/310. The kit includes a PCI-Express adapter card with two SFP+ ports. When paired with USRP X300 or X310, this connectivity kit can stream up to 200 MS/s of RX streaming bandwidth. The 10 Gigabit Ethernet adapter card is plugged to the PCIe slot on a desktop and requires an SFP+ cable to be connected to the USRP X300/310.