IBM System x3950 X6 28PCIe SSD adaptersThe server supports the High IOPS SSD adapters that are listed in the following table. The maximumquantity listed is for configurations with all processors and I/O books installed.Table 16. SSD adaptersPart number Feature code Description Maximumsupportedx3950 X646C9078 A3J3 IBM 365GB High IOPS MLC Mono Adapter 1846C9081 A3J4 IBM 785GB High IOPS MLC Mono Adapter 1890Y4377 A3DY IBM 1.2TB High IOPS MLC Mono Adapter 1890Y4397 A3DZ IBM 2.4TB High IOPS MLC Duo Adapter 18For more information, about these adapters, see the IBM Redbooks Product GuideIBM High IOPS MLCAdapters, TIPS0907, found at the following address:http://www.redbooks.ibm.com/abstracts/tips0907.html?OpenGPU adaptersThe server supports the co-processors and graphics processing units (GPUs) that are listed in thefollowing table. Each is installed in a Full-length I/O Book. No other adapter can be installed in theFull-length I/O Book. The Full-length I/O Book includes the necessary auxiliary power cables.Note: These adapters are not available through CTO and cannot be shipped installed in the serverbecause they are installed in the Full-length I/O Book, which extends beyond the rear of the chassis (seeFigure 11). These adapters must be shipped separately from the server.Table 17. GPU adaptersPart number Feature code Description Maximumsupportedx3950 X690Y2404# None* Intel Xeon Phi 3120A 490Y2356# None* NVIDIA Grid K1 490Y2372# None* NVIDIA Quadro K6000 490Y2392# None* NVIDIA Tesla K20c 490Y2396# None* NVIDIA Grid K2 Actively Cooled 4# System building block (SBB) part number. Not available as an option part number.* Not available through CTO.