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| Communication |  
| Option # | Manufacturing Part #
 | Description | Previous Part #
 |  
| X1236A-Z
 [S] | 375-3382
 [C] | Dual Port 10Gb/sec 4x PCI Express Infiniband Host Channel Adapter - Low Profile, | n/a |  
| X4217A-Z
 [S] | 375-3549
 [C] | Dual Port 20Gb/sec 4x PCI Express Infiniband Host Channel Adapter - Low Profile, | n/a |  
| X4237A
 [S] | 375-3606
 [C] | Sun Dual Port 40Gb/sec 4x Infiniband QDR Host Channel Adapter PCI Express | n/a |  
| Table Legend |  
| [F] = Field Replaceable Unit (FRU) [C] = Customer Replaceable Unit (CRU)
 [S] = Supported, but can no longer be ordered with this system
 [N] = No longer supported for this system
 Price = Price this Part
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