Add to Cart Quick view 3COM 3C39001 Super Stack II 1000BASE-SX Module - TX RX 3COM Was: $91.00 Was: $125.00 3COM 3C39001 Super Stack II 1000BASE-SX Module - TX RX Condition: UsedThis used networking module has been inspected and appears to be in good condition. Please view our pho 19504 SKU: 19504 Weight: 0.95 LBS