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

Dell 407-BBZV 10GB BASE-LR 1310nm SMF JCFJD SFP+ Transceiver

SKU: NSB-1330
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Dell SFP-8GFC-SW 8G Fibre Channel Optics Short-Reach 150m MMFs Transceiver SFP+

SKU: NSB-5924
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Brocade DL-320-0001 24x 8GB Fibre Channel SFP (8x Active) SAN Switch

SKU: NSN-9700
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco C9300-24UB-E Catalyst 9300 24x 1GB UPoE RJ45 1x Exp Module Slot Switch

SKU: NSB-7145
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Dell 407-BBZV 10GB BASE-LR 1310nm SMF JCFJD SFP+ Transceiver

SKU: NSN-8411
Condition: New
Shipping: Overnight Options
Warranty: 365 days