DELL PE2950 III 2U RACK Quad Core Xeon E5420 2.5GHz(2×6MB cache 1333MHz FSB), no RAM, FDD, DVD/CD-RW, 1×8 Backplane 2.5", no HDD, PERC 6/i RAID 256MB cache (SATA or SAS Hot-Plug HDD), 2x PCIe x8 and 1x PCIe x4, 2×1Gb NIC, 1 × 750W PSU

DELL PE2950 III 2U RACK Quad Core Xeon E5420 2.5GHz(2×6MB cache 1333MHz FSB), no RAM, no FDD, DVD/CD-RW, 1×6 Backplane 3.5", no HDD, PERC 6/i RAID 256MB cache (SATA or SAS Hot-Plug HDD), 2x PCIe x8 and 1x PCIe x4, 2×1Gb NIC, 1 × 750W PSU

DELL PE SC1430 Two Quad Core Xeon 5320 1.86GHz(2×4GB 1066FSB) 2GB FB 667MHz (2 × 1GB single rank) no FDD Combo Non Hot-Plug Backplane 4 × 3.5" 3 × 250GB 7.2K SATA HDD PERC 5/I RAID 256MB cache (SATA or SAS cabled HDD) 2x PCIe x4 2x PCI-X and 1x PCI 1Gb NIC 1 × 750W PSU

DELL PE2950 III 2U RACK Quad Core Xeon E5410 2.33GHz(2×6MB cache 1333MHz FSB), no RAM, no FDD, DVD/CD-RW, 1×6 Backplane 3.5", no HDD, PERC 6/i RAID 256MB cache (SATA or SAS Hot-Plug HDD), 2x PCIe x8 and 1x PCIe x4, 2×1Gb NIC, 1 × 750W PSU

• Processor: x1 (up to x2) Intel Xeon 5410 2,33GHz/1333MHz Cache Memory
• Storage Controller: PERC 6i 256Mb BBWC (RAID 0/1/5/6/10/50/60)
• Hard Drive: None, up to 2x3.5” SAS or SATA
• Internal Storage: Up to 1.5TB via two 3.5” 750GB SATA