DELL PE2900 III Tower Two Quad Core Xeon E5420 2.5GHz(2×6MB cache 1333MHz FSB) 8GB 667MHz (4 × 2GB dual rank) RAM FDD DVD/CD-RW 8 × 3.5" Backplane 2 × 146GB 15K & 2 × 3.5" Flex Bay 2 × 146GB 15K SAS HDD PERC 6/i RAID 256MB cache (SATA or SAS Hot-Plug HDD) 1x PCIe x8 and 3x PCIe x4 and 2x PCI-X 2×1Gb NIC DRAC5 2 × 930W PSU NBD

DELL PE2900 III Tower Two Quad Core Xeon E5410 2.33GHz(2×6MB cache 1333MHz FSB) 8GB 667MHz (4 × 2GB dual rank) RAM FDD DVD/CD-RW 8 × 3.5" Backplane 2 × 146GB 15K & 2 × 3.5" Flex Bay 2 × 146GB 15K SAS HDD PERC 6/i RAID 256MB cache (SATA or SAS Hot-Plug HDD) 1x PCIe x8 and 3x PCIe x4 and 2x PCI-X 2×1Gb NIC DRAC5 2 × 930W 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, 1×4 Backplane 2.5", 2 × 73GB 10K SAS HDD, DVD/CD-RW, PERC 6/i RAID 256MB cache (SATA or SAS Hot-Plug HDD), 2x PCIe, 2×1Gb NIC, 2 × 670W PSU

DELL PE2950 III 2U RACK Two Quad Core Xeon E5405 2.0GHz(2×6MB cache 1333MHz FSB), 8GB FB 667MHz (4 × 2GB dual rank) RAM, no FDD, DVD/CD-RW, 1×6 Backplane 3.5", 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, 1 × 750W PSU NBD

DELL PE2950 III 2U RACK Two Quad Core Xeon E5405 2.0GHz(2×6MB cache 1333MHz FSB), 4GB FB 667MHz (4 × 1GB dual rank) RAM, no FDD, DVD/CD-RW, 1×6 Backplane 3.5", 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, 2 × 750W PSU