IBM x3300 M4 Tower Server 7382B2A

Intel® Xeon® Processor E5-2407 10M Cache, 2.20 GHz, 6.40 GT/s Intel® QPI
Dual socket LGA 1356 supports Intel® Xeon® E5-2400 family

1 x 4GB DDR3 1333 240-Pin DDR3 ECC UDIMMs (PC3 10666)
4x 240-pin DIMM sockets
Up to 32GB DDR3 ECC 1333/1066MHz UDIMMs; 2 channels
DIMM Sizes * 1GB, 2GB, 4GB, 8GB

Non HDD
Up to 16x 2.5-inch hot-swap SAS/SATA HDDs or SSDs, or up to 8x 3.5-inch hot-swap SAS/SATA HDDs, or up to 8x 3.5-inch simple-swap SATA HDDs.

ServeRAID H1110 SAS/SATA Controller
RAID 0, 1, 10 standard with the ServeRAID C105 software RAID solution. Optional hardware-based RAID with RAID 0, 1, and 10 support with the ServeRAID H1110, M1115, or M5110. Upgrades to RAID 5 and 50 are available for the M1115. Upgrades to RAID 5 and 50 are available for the M5110 (zero-cache; 512 MB battery-backed cache; 512 MB or 1 GB flash-backed cache). Optional upgrades to RAID 6 and 60 are available for the M5110 with caches.

Slot 1: PCIe 3.0 x8; full-height, half-length
Slot 2: PCIe 3.0 x8; full-height, full-length
Slot 3: PCIe 3.0 x8 (x4 wired); full-height, half-length
Slot 4: PCIe 3.0 x16 (x8 wired); full-height, full-length
Slot 5: PCIe 2.0 x4 (x1 wired); full-height, half-length
Slot 6: PCIe 2.0 x8 (x4 wired); full-height, half-length (supports optional PCI-X 64 bit/133 MHz interposer card)

Front: Two USB 2.0 port
Rear: Four USB 2.0, one DB-15 video, one DB-9 serial, four RJ-45 GbE network ports 
Internal: Two internal USB ports (for embedded hypervisor and internal tape drive).

Microsoft Windows Server 2012/Microsoft Windows Server 2008 R2/ Microsoft Windows Server 2008, Red Hat Linux, SUSE Linux, vSphere 5.0