■ PEX 8648 Vitals
- 48-lane, 12-port PCIe Gen2 switch
- Integrated 5.0 GT/s SerDes
- 27 x 27mm 2 , 676-pin FCBGA package
- Typical Power: 3.7 Watts

■ PEX 8648 Key Features
- Standards Compliant
- PCI Express Base Specification, r2.0 (backwards compatible w/ PCIe r1.0a/1.1)
- PCI Express Base Specification, r2.0 (backwards compatible w/ PCIe r1.0a/1.1)
- PCI Power Management Spec, r1.2
- Microsoft Vista Compliant
- Supports Access Control Services
- Dynamic link-width control
- Dynamic SerDes speed control

The PEX 8648 architecture supports packet cut-thru with a maximum latency of 140ns (x16 to x16). This, combined with large packet memory
and non-blocking internal switch architecture, provides full line rate on all ports for performance-hungry applications such as servers and switch
fabrics. The low latency enables applications to achieve high throughput and performance. In addition to low latency, the device supports a packet payload
size of up to 2048 bytes, enabling the user to achieve even higher throughput.