- Front: 1x USB 2.0 (8x 2.5" drive bay models) or 2x USB 2.0 l (4x 3.5" and 10x 2.5" drive bay models), 1x USB 3.0, and 1x DB-15 video.
- Rear: 2x USB 3.0, 1x USB 2.0, 1x DB-15 video, 1x RJ-45 systems management, 4x RJ-45 GbE network ports. Optional 1x DB-9 serial port.
- Internal: 1x USB port (for embedded hypervisor).
- Internal: 1x SD Media Adapter slot (for embedded hypervisor)
|Cooling||Calibrated Vectored Cooling with up to eight redundant hot-swap fans (six standard, additional two with the second processor or with the x3550 M5 Thermal Solution Kit); dual fan zones with N+1 fan redundancy; each fan has two motors.|
|Power supply||Up to two redundant hot-swap 550 W, 750 W, 900 W, or 1500 W High Efficiency Platinum AC power supplies, or 750 W High Efficiency Titanium AC power supplies, or 900 W High Efficiency -48 V DC power supplies.|
|Hot-swap parts||Hard drives, power supplies, and fans.|
|Systems management||Unified Extensible Firmware Interface (UEFI), Integrated Management Module II (IMM2.1) based on Renesas SH7758, Predictive Failure Analysis, light path diagnostics, Automatic Server Restart, ToolsCenter, IBM Systems Director and Active Energy Manager, and Intel Node Manager. Optional Advanced Management Module Advanced Upgrade for remote presence (graphics, keyboard and mouse, virtual media).|
|Security features||Power-on password, administrator's password, two Trusted Platform Modules (TPMs): on the IMM2 (TPM 1.2) and on the host (TPM 1.2/2.0). Optional lockable front bezel.|
|Video||Matrox G200eR2 with 16 MB memory integrated into the IMM2. Maximum resolution is 1600x1200 at 75 Hz with 16 M colors.|
|Operating systems supported||Microsoft Windows Server 2012 R2, 2012, and 2008 R2, Red Hat Enterprise Linux 6 and 7, SUSE Linux Enterprise Server 11, VMware vSphere (ESXi) 5.1 and 5.5.|
|Limited warranty||Three-year customer-replaceable unit and onsite limited warranty with 9x5/Next Business Day (NBD).|
|Service and support||Optional service upgrades are available through the ServicePac®: 4-hour or 2-hour response time, 8 hours fix time, one-year or two-year warranty extension, remote technical support for System x hardware and selected System x and third-party (Microsoft, Linux, VMware) software.|
|Dimensions||Height: 43 mm (1.7 in), width: 429 mm (16.9 in), depth: 734 mm (28.9 in)|
|Weight||Minimum configuration: 13.8 kg (30.5 lb), maximum: 19.3 kg (42.7 lb)|