Add to Cart Quick view HP J4121A Switch Engine Module for ProCurve Switch 4000M 5064-2105 HP Was: $11.70 Was: $40.00 HP J4121A Switch Engine Module for ProCurve Switch 4000M 5064-2105 Overall Dimensions: 7" x 7" x 3" -- 0.75LBS Condition: UsedThis used module has been inspected and it 49958 SKU: 49958 Weight: 2.00 LBS