Your search for "R4G55A" revealed the following:
HPE R4G55A SN3600B Series 24x 32GB FC SFP+ (8x Active) SAN Switch
SKU: NSB-6592
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 6,749.99
• Only 1 remaining
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NEW HPE R4G55A SN3600B Series 24x 32GB FC SFP+ (8x Active) SAN Switch
SKU: NSN-9175
Condition: New
Shipping: Overnight Options
Warranty: 365 days