Features

Micro-SD Slot (Push-to-Eject Type)
Digilent "PMOD" style 6-Pin Header
Usable in SD (1-Bit mode) or SPI interface Modes

List of Xilinx Boards with PMOD Slot

Xilinx Spartan-3A Starter Kit (HW-SPAR3A-SK-UNI-G)
Xilinx Spartan-3AN Starter Kit (HW-SPAR3AN-SK-UNI-G)
Xilinx Spartan-3E 1600E MicroBlaze Development Kit (DO-SP3E1600E-DK-UNI-G)
Xilinx Spartan-3E Sample Pack
Digilent S3EBOARD - (S3E Starter Kit)
Digilent S3E1600 - Xilinx (DIG-1600)
Digilent X-Board - Xilinx Coolrunner-II Starter Kit (HW-CRII-SK-G)
Digilent BASYS
Digilent NEXUS

Applications

Software loading from removable media
Evaluation and testing of IP Cores for SD-Card Interface

Reference Designs
Xilinx Webserver Demo for Spartan-3A Starterkit. Ready to use bitstream and software/file system images, just configure the FPGA and plug in the module with demo images and the Webserver is loaded and starting from micro-SD.