DELL PE2950 III 2U RACK Two Quad Core Xeon E5430 2.66GHz(2×6MB cache 1333MHz FSB), 4GB FB 667MHz (2 × 2GB dual rank) RAM, no FDD, DVD/CD-RW, 6 × 3.5" Backplane, 2 × 146GB 15K SAS HDD, PERC 6/i RAID 256MB cache (SATA or SAS Hot-Plug HDD), 2x PCIe x8 and 1x PCIe x4, 2×1Gb NIC, 2 × 750W PSU NBD

DELL PE1950 III 1U RACK Two Quad Core Xeon E5410 2.33GHz(2×6MB cache 1333MHz FSB), 4GB 667MHz (4 × 1GB Dual Rank) RAM, no FDD, Backplane 4 × 2.5", 2 × 73GB 15K SAS HDD, DVD/CD-RW, PERC 6i 256MB cache (SATA or SAS Hot-Plug HDD), 2x PCIe, 2×1Gb NIC, DRAC5, 2 × 670W PSU

DELL PE2950 III 2U RACK Two Quad Core Xeon E5410 2.33GHz(2×6MB cache 1333MHz FSB), 4GB FB 667MHz (2 × 2GB dual rank) RAM, FDD, DVD/CD-RW, 8 × 2.5" Backplane, 2 × 73GB 15K SAS HDD, PERC 6/i RAID 256MB cache (SATA or SAS Hot-Plug HDD), 2x PCIe x8 and 1x PCIe x4, 2×1Gb NIC, DRAC5, 1 × 750W PSU NBD

DELL PE1950 III 1U RACK Two Quad Core Xeon E5420 2.5GHz(2×6MB cache 1333MHz FSB), 4GB 667MHz (2 × 2GB Dual Rank) RAM, no FDD, 1×2 Backplane 3.5", 2 × 73GB 15K SAS HDD, DVD/CD-RW, SAS 6iR (SATA or SAS Hot-Plug HDD), 2x PCIe, 2×1Gb NIC, DRAC5, 2 × 670W PSU

DELL PE1950 III 1U RACK Two Quad Core Xeon E5405 2.0GHz(2×6MB cache 1333MHz FSB), 8GB FB 667MHz (4 × 2GB Dual Rank) RAM, no FDD, Backplane 2 × 3.5", 2 × 146GB 15K SAS HDD, DVD/CD-RW, SAS 6iR (SATA or SAS Hot-Plug HDD), 2x PCIe, 2×1Gb NIC, DRAC5 1 × 670W PSU NBD