Chapter 2
Accelerator Card Overview
Card Features
The Xilinx
®
Alveo™ U55C data center accelerator card is PCI Express
®
Gen3 x16 compliant
featuring the Xilinx 16 nm Ult™ technology. It has two QSFP28 interfaces and 16 GB of
HBM to provide high-performance, adaptable acceleration for memory-bound, compute-
intensive applications targeting high performance compute (HPC) and database applications.
The Alveo U55C data center accelerator card features are listed in the following table.
Table 1: Alveo U55C Data Center Accelerator Card Features
Card Component
Alveo U55C
FPGA
Ult XCU55C FPGA
HBM
16 GB- two 8 gigabyte (GB) HBM memory stacks
Split into 32 512 MB channels
Network Interface
2x QSFP28
Supporting 100 GbE, 40 GbE, or 4x10/25 GbE
Status LEDs
PCIe
16-lane PCI Express
PCIe Integrated Endpoint block connectivity
Gen1, 2, or 3 up to x16, Gen4 x8
Dual Gen4 x8
I2C Bus
✓
Status LEDs
✓
Power Management
Power management with system management bus (SMBus)
voltage, current, and temperature monitoring
Electrical Design Power
150W with PCIe auxiliary power connector.
Configuration Options
1 gigabit (Gb) Quad Serial Peripheral Interface (SPI) flash
memory
Ult device configurable over USB/JTAG and Quad
SPI configuration flash memory
UART
UART access through the micro USB connector
Chapter 2: Accelerator Card Overview
UG1468 (v1.0) November 23, 2021
Alveo U55C Data Center Accelerator Card Installation Guide
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