IBM 43W1132 | System Board (Motherboard) for BladeCentre HS21

1. Manufacturer: IBM
2. Compatibility: BladeCenter HS21
3. Processor Socket: LGA771 Socket
4. Chipset: Intel 5100
5. Supported Processors: Intel Xeon 5400, Intel Xeon 5300, Intel Xeon 5200, Intel Xeon 5100
6. Maximum Supported RAM: 32 GB
7. RAM Technology: DDR2 SDRAM
8. Number of Memory Slots: 8
9. Ethernet Ports: 2 x Gigabit Ethernet
10. Expansion Slots: 2 x PCI Express x8
11. USB Ports: 2 x USB 2.0
12. Power Connectors: 1 x 24-pin main power connector, 1 x 8-pin ATX12V connector

Notes:
1. This motherboard is designed for use with IBM BladeCenter HS21 servers and is not compatible with other systems.
2. The maximum supported RAM of 32 GB is achieved by using 8 GB DDR2 memory modules in each of the 8 memory slots.
3. This motherboard supports Intel Xeon processors with up to 4 cores and 12 MB of L2 cache.