The data sheet revsion
dates show that the introduction of this product was December 2017.
That the switch has 4 GB of buffer is in a QuickSpec.
This switch is part of a series --
- HPE 5940 with e.g. 48x 10GbE + 6x 100GbE with Broadcom XGS Trident 2+ (with EVPN support)
- HPE 5950 with e.g. 48x 25GbE + 8x 100GbE with Broadcom StrataXGS Tomahawk
- HPE 5980 with e.g. 48x 10GbE + 6x 100GbE with Broadcom DNX Qumram MX+ and deep buffer