Form factor/height

4U/5U with tower-to-rack kit

Media bays

Up to two 5.25-inch half-high bays, support for DVD-ROM or multiburner, half-high SATA DVD-ROM standard in standard models

Disk bays (total)

Up to four 3.5-inch or eight 2.5-inch hard disk drives (HDDs)

RAID support

Integrated IBM ServeRAID C100 RAID-0, -1, (RAID-5 upgrade via IBM Feature on Demand (FoD)), optional hardware RAID-0, -1, -10 or RAID-5, -50 or RAID-6, -60*

Power supply (std/max)

1/2 300 W or 350 W fixed (4U models); or 430 W 80 PLUS® Silver certified redundant power supply unit (5U models)

Hot-swap components

Up to four 3.5-inch or eight 2.5-inch HDDs, 460 W hot-swap redundant power supplies

Network interface

2 x 1 Gigabit Ethernet

Expansion slots

Up to four PCIe (2 PCIe 3.0, 2 PCIe 2.0) slots (x16, x8, x8, x4 physical; x8, x8, x4, x1 electrical)

USB ports

2 front (USB 3.0)/4 back (USB 2.0)/2 internal

Maximum internal storage

Up to 16 TB

Energy efficiency

Fixed power supply compliant with 80 PLUS Bronze, redundant power supply compliant with 80 PLUS Silver, 40° C operating temperature for wide ambient range

Systems management

Integrated Management Module 2 (IMM2) standard with IMPI 2.0 and Serial over LAN, optional upgrade to remote presence via IBM Feature on Demand, IBM System Director

Operating systems supported

Microsoft Windows Server 2012/2008/R2, SBS 2011, Red Hat Enterprise Linux, SUSE Linux, VMware (subject to availability)