Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Model | Processors Supported | FSB/HT Frequency (MHz) | Memory | PCI-Express | SATA | PATA | Sound | Network | Features |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| nForce3 Professional 150/250 | AMD Opteron | HT 1.0 1.6 GHz | DDR 266/333/400 Registered/ECC | N/A | 4.0 | 4.0 | Enhanced AC'97 2.1 | GbE: 1 connections | MediaShield |
| nForce Professional 2200 MCP | AMD Opteron | HT 1.0 1.6 GHz | DDR 266/333/400 Registered/ECC | 20 lanes, 4 links flexible x16: 2 slots | 4.0 | 4.0 | Enhanced AC'97 2.3 | GbE: 1 connections | MediaShield |
| nForce Professional 2200 MCP and 2050 | AMD Opteron | HT 1.0 1.6 GHz | DDR 266/333/400 Registered/ECC | 40 lanes, 8 links flexible x16: 2 slots | 8.0 | 4.0 | Enhanced AC'97 2.3 | GbE: 2 connections | MediaShield |
| nForce Professional 3400 MCP | AMD Opteron | HT 1 GHz 2000 MT/s | DDR2 667 Registered/ECC | 28 lanes, 6 links fixed x16: 2 slots | 6.0 | 2.0 | HDA Azalia | GbE: 2 connections | MediaShield |
| nForce Professional 3600 MCP | AMD Opteron | HT 1 GHz 2000 MT/s | DDR2 667 Registered/ECC | 28 lanes, 6 links fixed x16: 2 slots | 6.0 | 2.0 | HDA Azalia | GbE: 2 connections | MediaShield |
| nForce Professional 3600 MCP and 3050 | AMD Opteron | HT 1 GHz 2000 MT/s | DDR2 667 Registered/ECC | 56 lanes, 12 links flexible x16: 2 slots | 12.0 | 4.0 | HDA Azalia | GbE: 4 connections | MediaShield |
Question:
Which PCI-Express has a DDR 266/333/400 Registered/ECC memory and Enhanced AC'97 2.3 sound?
Answer:
20 lanes, 4 links flexible x16: 2 slots, 40 lanes, 8 links flexible x16: 2 slots