{"generated_at":"2026-11-12T18:49:31.142Z","source":{"name":"Hacker News public API","url":"https://github.com/HackerNews/API","attribution":"Stories and comments are public Hacker News submissions by their respective authors. HackerHub is an independent reader, not affiliated with Y Combinator.","content_is_untrusted":true},"story_id":50451903,"hn_url":"https://news.ycombinator.com/item?id=50451903","total_comments":130,"returned":19,"scope":"Up to the requested number of top-level comments in Hacker News ranked order. Deleted comments are omitted. Nested replies are not fetched; this is not the complete thread.","comments":[{"id":50453153,"author":"htrp","created_at":"2026-11-11T13:28:16.000Z","text":"amazing to think there was a time (literally not too long ago) where you would throw 80 GB of HBM onto a chip and turn 90% of it off","parent_id":50451903,"replies_count":3,"hn_url":"https://news.ycombinator.com/item?id=50453153"},{"id":50457696,"author":"myself248","created_at":"2026-11-11T19:49:48.000Z","text":"Instead of putting the host to ACPI S3 state, could an external PCIe riser be used with a separate power supply?\nSeems like that would considerably speed up the process, by letting the host continue to run while only the target cycles.","parent_id":50451903,"replies_count":0,"hn_url":"https://news.ycombinator.com/item?id=50457696"},{"id":50454969,"author":"notenchange","created_at":"2026-11-11T16:02:57.000Z","text":"This is great. I’m actually trying to unlock the 80G in a CMP 170HX the software way for the last 2 weeks (still no luck).\nI just don’t know if I’m brave enough (and knowledgeable enough) to go this blown fuses way. Seems a lot more risky.\nP.S. I now see this is for the 8GB model, which is insane. The 10G one is the one that until now was proven to have 80G, but never fully accessible through CUDA (it was accessible using CPU memory copy though - much slower).","parent_id":50451903,"replies_count":1,"hn_url":"https://news.ycombinator.com/item?id=50454969"},{"id":50452456,"author":"amelius","created_at":"2026-11-11T12:05:23.000Z","text":"But what if nvidia used those fuses because an A100 had too many fabrication faults so it could only be a cheaper mining card?\n(which is the more likely scenario because they can make much more money on enterprise/datacenter products, see DRAM)","parent_id":50451903,"replies_count":9,"hn_url":"https://news.ycombinator.com/item?id=50452456"},{"id":50468311,"author":"Roark66","created_at":"2026-11-12T14:53:54.000Z","text":"Sadly all those cards on the market are now priced for 80gb of ram regardless if it works on them or not.","parent_id":50451903,"replies_count":0,"hn_url":"https://news.ycombinator.com/item?id=50468311"},{"id":50465280,"author":"rkagerer","created_at":"2026-11-12T10:16:58.000Z","text":"If someone wants to build a local AI GPU farm today, should they go out and buy a bunch of these? Or has the price already gone up too much to make it a good deal and is the \"yield\" you'd get (from things like bad segments of RAM, unreliability of the unlocks, SM lottery, etc.) too inconsistent?","parent_id":50451903,"replies_count":3,"hn_url":"https://news.ycombinator.com/item?id=50465280"},{"id":50452746,"author":"roger_","created_at":"2026-11-11T12:44:37.000Z","text":"Glad I jumped on these cards, excited to give this a try!\nHard to believe $1k was a deal a few months ago (and $200 before then).","parent_id":50451903,"replies_count":1,"hn_url":"https://news.ycombinator.com/item?id=50452746"},{"id":50452615,"author":"SillyUsername","created_at":"2026-11-11T12:25:30.000Z","text":"I just wish they had something like this for older Tesla p100s, p4s...","parent_id":50451903,"replies_count":1,"hn_url":"https://news.ycombinator.com/item?id=50452615"},{"id":50457275,"author":"nullc","created_at":"2026-11-11T19:15:57.000Z","text":"Considering how unobtainium GPUs have become nvidia could get a PR win by publishing unlocks for all their outdated hardware. ... people are figuring it out anyways, might as well embrace it.","parent_id":50451903,"replies_count":2,"hn_url":"https://news.ycombinator.com/item?id=50457275"},{"id":50456037,"author":"dylanger","created_at":"2026-11-11T17:32:55.000Z","text":"Great usage of glitching!","parent_id":50451903,"replies_count":0,"hn_url":"https://news.ycombinator.com/item?id=50456037"},{"id":50456418,"author":"octoberfranklin","created_at":"2026-11-11T18:03:19.000Z","text":"there are several functions where blowing a fuse on an NVIDIA die can grant you more access, not less. In a properly secured design, a blown fuse should always induce a more restrictive state, because a blown fuse cannot be unblown in an economically feasible way.\nNot really.\nIf the fuses are for security, sure. But these aren't.\nThese fuses are for economic extraction. Doing it the way NVIDIA did it is a safety feature: it ensures that blowing a fuse will never destroy economic value -- it will never turn a card that was previously able to do something correctly into a card that can no longer do that thing correctly.","parent_id":50451903,"replies_count":2,"hn_url":"https://news.ycombinator.com/item?id=50456418"},{"id":50453799,"author":"mitxela","created_at":"2026-11-11T14:24:01.000Z","text":"It's utterly crazy that anyone outside Nvidia knows any of this, much less all of it. Has there been a years long public reverse engineering effort that I didn't hear about until now?","parent_id":50451903,"replies_count":2,"hn_url":"https://news.ycombinator.com/item?id=50453799"},{"id":50453615,"author":"mr_roboto","created_at":"2026-11-11T14:08:45.000Z","text":"Selling anything that has been purposely hamstrung to limit available capabilities for market reasons seems morally repugnant beyond words. I understand walling off die defects but if it is functional that is disgusting.","parent_id":50451903,"replies_count":9,"hn_url":"https://news.ycombinator.com/item?id=50453615"},{"id":50452560,"author":"samlinnfer","created_at":"2026-11-11T12:18:16.000Z","text":"Before you get too excited about the CMP 170HX, the prices have already skyrocketed and that card doesn't have a cooler on it. It is designed for a server cooler that sounds like a jet engine. Also most of the 80GB vram unlocks have bad RAM and that is the reason they were locked in the first place, otherwise they would have became A100s.\nAnyways, that's what I tell myself as I taste my bowl of sour grapes.","parent_id":50451903,"replies_count":5,"hn_url":"https://news.ycombinator.com/item?id=50452560"},{"id":50454598,"author":"tintor","created_at":"2026-11-11T15:31:18.000Z","text":"Finally, I can download more VRAM!","parent_id":50451903,"replies_count":1,"hn_url":"https://news.ycombinator.com/item?id=50454598"},{"id":50463114,"author":"edg5000","created_at":"2026-11-12T04:36:23.000Z","text":"Why on earth would you disable so much HBM from the factory. That's incredibly wasteful. No wonder these things cost an arm and a leg. It was already clear the money was going to the HBM primarily. Either the post is wrong or this is actually rediculous.","parent_id":50451903,"replies_count":1,"hn_url":"https://news.ycombinator.com/item?id=50463114"},{"id":50458867,"author":"richlow","created_at":"2026-11-11T21:21:34.000Z","text":"Firstly; this is awesome!\nSecondly you never spoke about the squeaky bum moment of actually making the change. Crikey that would have been a long moment.","parent_id":50451903,"replies_count":0,"hn_url":"https://news.ycombinator.com/item?id=50458867"},{"id":50452948,"author":"Kevin_Flynn","created_at":"2026-11-11T13:06:35.000Z","text":"The ebay auction headlines have already rewritten themselves.","parent_id":50451903,"replies_count":0,"hn_url":"https://news.ycombinator.com/item?id=50452948"},{"id":50462771,"author":"userbinator","created_at":"2026-11-12T03:39:18.000Z","text":"Unlocking regular GPUs into Quadro GPUS via resoldering some resistors was a thing long ago, so I'm not surprised this is possible; but that didn't unlock any extra VRAM.\nThese findings were disclosed to NVIDIA’s product security team ahead of the publication of this article.\nWTF. Does the boot taste that good?","parent_id":50451903,"replies_count":0,"hn_url":"https://news.ycombinator.com/item?id=50462771"}]}