Your search for "dell stacking cable" revealed the following:

Dell S5232F-ON-RA 32x 100GB QSFP28 2x 10GB SFP+ Back-to-Front Air No OS10 Switch

SKU: NSB-9765
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Dell S5232F-ON EMC S 32x 100GB QSFP28 2x 10GB SFP+ Front-to-Back Air OS10 Switch

SKU: NSH-9217
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Dell S4112T-ON 12x 10GB Copper 3x 100GB QSFP28 F-B Air AC (No OS10) Switch

SKU: NSB-9779
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S5224F-ON 24x 25GB SFP28 4x 100GB QSFP28 Front-to-Back Air OS10 Switch

SKU: NSN-3887
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Dell Q28-100G-ESR4 100GB BASE-ESR 850nm MMF QSFP28 Transceiver

SKU: NSB-5958
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Dell S5224F-ON 24x 25GB SFP28 4x 100GB QSFP28 Front-to-Back Air OS10 Switch

SKU: NSH-9621
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S5212F-ON EMC S 12x 25GB SFP28 3x 100GB QSFP28 F-B Air No OS10 Switch

SKU: NSN-9950
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Dell SFP-10G-USR 7D64H 10GB BASE-USR 850nm MMF LC SFP+ Transceiver

SKU: NSB-5926
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Dell SFP-16GFC-LW 16GB FC 1310nm SMF LC KP9WG Transceiver SFP+

SKU: NSB-5932
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell Q28-100G-BIDI 100GB Bi-Di Short-Reach 150m MMF QSFP28 Transceiver

SKU: NSN-2283
Condition: New
Shipping: Overnight Options
Warranty: 365 days