The WRU said Henson, Powell, Rhys Thomas and Jonathan Thomas were "rebuked" after each admitted to "varying degrees of regrettable conduct".
The Ospreys star, 27, and Andy Powell, Rhys Thomas and Jonathan Thomas had already apologised to the Welsh Rugby Union over their behaviour.
Ospreys weathered the storm, a Jonathan Thomas interception try from David Blair securing the bonus point.
But tries from Sonny Parker (2), Alun Wyn Jones, Jonathan Thomas and Filo Tiatia ensured the visitors' victory.
The 27-year-old will start his second Test alongside experienced pair Williams and Jonathan Thomas in the back row.
Paul James, Adam Jones, Duncan Jones, Jonathan Thomas, Barry Williams and Shaun Connor are also in the 100 club.
Delve will start at number eight, captain Ryan Jones switching to six with Jonathan Thomas moving across to the open-side.
Jonathan Thomas, the Ospreys flanker sent off for punching in the match at Castres, has been banned for 18 days.
BBC: SPORT | Rugby Union | European Club | Lengthy bans for Heineken Cup duo
Roberts and Wales colleagues Shane Williams, Jonathan Thomas, Lee Byrne, Alun Wyn Jones, Josh Turnbull and George North are regular tweeters.
Tommy Bowe scored an early second-half try but David Wallace and Johne Murphy touched down before O'Connell saw red for a swinging arm on Jonathan Thomas.
Back-five forward Jonathan Thomas could also return for the west Glamorgan region in that game after missing the start of the Six Nations with a hamstring injury.
BBC: Jones will be available for the Scarlets' game in Connacht
"It's a massive step up from regional rugby to international rugby and Jonathan Thomas has been playing second row the whole time for the Ospreys, " Gatland said.
Gatland has chosen Jones to play in an unfamiliar openside role alongside blindside Jonathan Thomas and number 8 Ryan Jones in the back row for the first test.
Wales team-mate Jonathan Thomas then found himself in trouble with the Welsh Rugby Union in 2010 after making a remark on Twitter about the sexuality of gay Welsh rugby referee Nigel Owens.
Filo Tiatia, another ex-All Black, has confirmed he intends to play on next season so Collins must compete with the Ospreys veteran plus Ryan Jones, Jonathan Thomas, Marty Holah, Ben Lewis, Tom Smith and Steve Tandy.
Ospreys boss Scott Johnson then traded Jonathan Thomas for Ian Gough, Tiatia for Tom Smith and James Hook for Bishop while the Blues did likewise as Richie Rees took over from Cooper and Gary Powell from Filise.
Jonathan Thomas switches from lock to back-row to fill the gap vacated by Powell's banishment from the squad after being charged with drink-driving following an incident with a golf buggy on the morning after the win against Scotland.
BBC: Wales boss Gatland warns Martyn Williams and Ryan Jones
Add Martyn Williams, Jonathan Thomas and Andy Powell - who all finished the match against the All Blacks - and the starting number eight on Saturday, Ryan Jones, and Wales coach Warren Gatland has that magic thing: options and strength in depth.
Plaid Cymru politicians Jonathan Edwards MP and Rhodri Glyn Thomas AM said the business needed assistance to market the facility to find a buyer for the Capel Hendre site.
BBC: 114 Dewhirst warehouse jobs under threat at Capel Hendre
At The New York Forum this morning there was a great panel on the future of America, with the likes of Thomas Friedman, Esther Dyson, and Jonathan Miller.
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