Optional Add-Ons (Bundle Pricing Available). Original Dell sliding rails (R730xd-specific). (8) × Dell 0WTRD1 FTLX8571D3BCL-FC 10GBASE-SR SFP+ optics. (16) × Dell 8FKXC 2.5" drive caddies. Dell PMR79 Dual SD module with 2× 16 GB cards.
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