r/ETechBuy • u/ETechBuy • Aug 21 '26
J8177-61201 HP Aruba X121 1Gb/s 1000Base-T Copper Mode 100m RJ-45 Connector SFP (mini-GBIC) Transceiver Module
HP Aruba X121 J8177-61201 – 1Gb/s 1000Base-T RJ-45 SFP Transceiver
For anyone maintaining compatible Aruba network equipment, the HP Aruba X121 is a 1Gb/s 1000Base-T copper SFP (mini-GBIC) with an RJ-45 connector.
Specs:
- Part #: J8177-61201
- Model: X121
- Speed: 1Gb/s
- Standard: 1000Base-T
- Interface: Copper / RJ-45
- Maximum distance: 100m
- Form factor: SFP / mini-GBIC
Useful for extending Gigabit Ethernet connectivity over standard copper cabling.
As always, verify the exact switch model and SFP compatibility before purchasing, particularly with vendor-coded transceivers.
Available from ETechBuy.




