Jami` at-Tirmidhi 3913
جامع الترمذي#3913Sahihحَدَّثَنَا أَبُو السَّائِبِ، سَلْمُ بْنُ جُنَادَةَ قَالَ حَدَّثَنَا أَحْمَدُ بْنُ بَشِيرٍ، عَنْ مُجَالِدٍ، عَنِ الشَّعْبِيِّ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " خَيْرُ الأَنْصَارِ بَنُو عَبْدِ الأَشْهَلِ " . قَالَ هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ غَرِيبٌ مِنْ هَذَا الْوَجْهِ .
Narrated Jabir [bin 'Abdullah]:that the Messenger of Allah (ﷺ) said: "The best of the Ansar are Banu 'Abdul-Ashhal
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Ahmad Muhammad ShakirSahih Lighairihi
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 49:313