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海外TECH	Engadget	YouTube TV launches curated subscription packages this week	https://www.engadget.com/entertainment/tv-movies/youtube-tv-launches-curated-subscription-packages-this-week-170710000.html?src=rss	YouTube is launching YouTube TV Plans this week after revealing the program back in December These are genre specific subscription packages that let users opt into a curated version of the service and save a few bucks in the process Yeah It s pretty much cable proving you can t cut a cord if it s made out of invisible radio waves There more than ten plans available and they are all cheaper than the typical asking price of per month There s a Sports Plan that costs per month and includes channels like FS NBC Sports Network and all of the ESPN networks Subscribers will pay per month to add some news channels like CNN and CSPAN to the sports package The Entertainment Plan costs per month and includes networks like Bravo Comedy Central FX and the Food Network among many others There s a beefier version of this that costs per month and adds in family channels like the Cartoon Network and Nickelodeon along with news channels Signing up for one of these plans still provides various perks of a standard YouTube TV subscription These include unlimited DVR multiview and the ability to add up to six members on one account Of course those with deep pockets can spring for some premium add ons like HBO Max K Plus and the NFL Sunday Ticket YouTube Some plans are rolling out later in the week but YouTube says it could take quot several weeks quot for every plan to become available New customers receive a discount for the first three months which is worth looking into This article originally appeared on Engadget at	2026-02-09 17:07:10
海外TECH	Engadget	The best microSD cards in 2026	https://www.engadget.com/computing/accessories/best-microsd-card-130038282.html?src=rss	Most microSD cards are fast enough for boosting storage space and making simple file transfers but some provide a little more value than others If you ve got a device that still accepts microSD cards ーwhether it s an older gaming handheld the new Nintendo Switch a dash cam a drone or an Android tablet ーwe ve scoured the market and put close to top contenders through a number of benchmark tests You can find our recommendations for the best microSD cards below alongside some general shopping advice worth knowing before you buy Best microSD cards of Best microSD Express cards for the Nintendo Switch Jeff Dunn for Engadget Read our full guide to the best microSD Express cards for the Nintendo Switch Let s be clear about this Unless you plan to own a Nintendo Switch in the near future you do not need a high speed microSD Express card just yet Nintendo s gaming handheld is the only popular device that natively supports this standard right now and microSD Express cards themselves are highly expensive compared to more traditional options Still if you do want to increase a Switch s storage they re your only choice Fortunately determining exactly which model to buy for the console is pretty straightforward Get whichever one you can find in stock in the capacity you want at a price you can stomach We benchmarked several microSD Express cards for a separate Switch guide and for the most part the performance differences between them weren t great enough to justify paying extra for any particular model Loading times weren t quite identical with every test we ran but the cards were extremely close in most games and common scenarios The few times when there was a notable gap ーfast traveling to a particularly resource heavy region in Cyberpunk for instance ーthe gulf between the slowest and fastest card was only ever about four or five seconds at most That s not nothing but it s also not something most people are likely to fret over unless they have a stopwatch handy The SanDisk microSD Express Card and Lexar Play Pro Jeff Dunn for Engadget The only time you d notice a major speed difference is if you transfer games to your Express card from the Switch s internal storage and vice versa In that case the SanDisk microSD Express Card and Lexar Play Pro were generally the quickest while PNY s microSD Express Flash Memory Card had particularly slow write speeds Moving Mario Kart World to the SanDisk and Lexar models for example took around four minutes and seconds on average with the PNY card it took a little over seven minutes That said the PNY model was the fastest when it came to moving games back to the system storage Walmart s Onn microSD Express Card was significantly slower to move games from the card to system storage but it s also the most affordable card we ve seen by a good distance Either way most people aren t constantly shuffling their games back and forth like this Performance in actual games is more important and in that regard the results were consistently much tighter What matters most is getting the most space for your budget Unfortunately stock for all microSD Express cards has been spotty since the Switch s launch For your convenience we ll list out all of the models we ve tested thus far and their respective list prices below Note that some lower capacity versions ーthe GB SanDisk card for one ーadvertise slower speeds than their more spacious counterparts SanDisk microSD Express Card GB GB GB Lexar Play Pro GB GB TB PNY microSD Express Flash Memory Card GB GB GB Samsung microSD Express Card for Nintendo Switch GB Samsung P Express GB GB GameStop Express microSD Card for Nintendo Switch GB GB TB Walmart Onn microSDXC Express Card GB GB The Lexar Play Pro on top of Lexar s RW microSD Express card reader Jeff Dunn for Engadget Broadly speaking we recommend getting at least GB of storage as Switch games tend to have much larger file sizes than games for Nintendo s previous handheld But we also recommend holding off upgrading for as long as you can if only because all of these cards should tariff shenanigans aside come down in price as time goes on There s no point in buying a microSD Express card for anything besides the Switch but we did run the models above through our usual PC benchmarks as well Unsurprisingly they are miles faster than any traditional card on the market With the GB SanDisk card for instance sequential read speeds checked in just under MB s in CrystalDiskMark and ATTO while sequential writes topped out around MB s Sustained writes speeds were slower around MB s but that was still fast enough to move our GB test file to the card in seconds on average It took a mere seconds to read the file back to our PC The write test with our smaller GB test folder meanwhile averaged just seconds It all adds up to performance that s at least twice as fast as the best UHS I models we ve tested in terms of sequential reads and writes with three or four times the speeds in some cases The gulf in random reads and writes is similar and in some benchmarks even greater But you need a pricey SD card reader to even see those increases on a PC so only those with a Switch in hand or serious cash to burn should consider one of these things Other notable microSD cards Samsung Pro Ultimate The Samsung Pro Ultimate was the closest competitor to the Lexar Professional Silver Plus across our benchmark tests but it s tangibly worse in terms of sequential write speeds typically costs more and doesn t offer a TB option The Samsung Pro Plus is a bit slower for sequential reads but it s close enough otherwise and usually easier to find at a lower price Lexar Professional Gold We haven t used it ourselves but if you re willing to pay for a more powerful UHS II card built for heavy duty video recording the Lexar Professional Gold has tested well elsewhere and should deliver significantly faster sequential write speeds than our UHS I picks above It s one of the few UHS II cards we could actually find in stock but it s pricey with a GB model normally priced in the to range SanDisk Extreme The SanDisk Extreme effectively matched the Pro Plus in a few of our sequential tests but that was partly due to us only being able to secure the GB model which is higher rated than the GB version It s a fine choice if you see it on sale at a reputable seller but it s broadly slower than our top pick and often costs more SanDisk GamePlay The SanDisk GamePlay performs similarly to the SanDisk Extreme but costs a good bit extra as of our latest update We couldn t get it to reach its advertised speeds with the company s own Pro card reader or other third party options so it fell short of our top picks SanDisk Pok mon The SanDisk Pok mon does outperform its advertised read and write speeds but not by enough to outpace the Lexar Silver Plus or Samsung Pro Plus It essentially charges extra for having a picture of Pikachu or Gengar or Snorlax on a product you ll never look at SanDisk Extreme Pro The SanDisk Extreme Pro is a close analog to the Samsung Pro Ultimate but as of this writing is either unavailable at most trusted retailers or priced too high by comparison The Lexar Professional Silver Plus has faster sequential write speeds as well PNY XLR Gaming The PNY XLR is an affordable card that comes with up to GB of space Its sequential and random writes speeds checked in a little bit above those of Samsung s Evo Select plus it comes with a lifetime warranty But its sequential reads were much much slower putting it out of contention PNY Elite X The PNY Elite X often goes for cheap and wasn t too far off the random read write performance of Samsung s Pro Plus in CrystalDiskMark Like the XLR it s also slightly above the Evo Select in write speeds But its sequential reads were too far behind all of our top picks and it no longer appears to be available in capacities above GB What to look for in a microSD card Capacity The first thing to figure out when buying a microSD card is how much storage space you need Modern cards are commonly available in sizes ranging from GB to GB with several models now available in TB or TB capacities as well The first TB cards from major brands have started to arrive as well which is exciting but those are still fairly rare and very expensive by comparison For many a GB or GB model should be a sweet spot between price and storage space But if you need more room ーsay for stashing a bunch of games on a Steam Deck ーa GB card or greater could make more sense and often provides a better cost per GB ratio nbsp Pricing and stock levels are all over the place as of our most recent update thanks to ongoing AI driven shortages but you can typically still find a decent GB card for around a good GB card for less than and a solid GB card for around with faster models priced a little higher There s a starker increase when you go up to TB cards which often cost closer to though we ve seen some fall into the to range over the last year The first TB cards are a bigger leap the TB SanDisk Extreme for example currently has a list price around which is way up from what we saw in Note that a microSD card s performance may differ depending on what capacity you buy SanDisk says its GB Extreme card delivers sequential write speeds up to MB s for example while the higher capacity models in the same line offer up to MB s When we talk about microSD cards today we mostly refer to cards that use the microSDXC eXtended Capacity standard which have a capacity between GB and TB Your device needs to support this for it to work with a microSDXC card This will almost never be an issue these days but some older devices a Nintendo DS for instance are only compatible with microSDHC High Capacity cards which range from GB to GB Read and write speeds MicroSD cards are primarily judged on their read and write speeds which are usually measured in megabytes per second MB s Generally most microSD cards have faster read speeds than write speeds These metrics can then be broken down into sequential and random performance Sequential read and write speeds matter when you re trying to access read or save write long constant streams of data such as opening a large video or copying a big batch of files from a PC If you want to use a microSD card for media storage this is particularly important Random performance meanwhile is about how quickly a card can read and write small files scattered throughout the device Since random read write speeds are much lower than sequential ones storage device makers tend not to advertise them as loudly But they re important if you use a card with a gaming device or a single board computer like the Raspberry Pi where it often has to rapidly save and access small bits of data in random locations Speed ratings If you look at a microSD card you ll see a buffet of numbers letters and symbols Most of these refer to the card s speed class and performance ratings which are determined by the SD Association A card s Video Speed Class or V rating details its minimum sequential write speed which is especially important when recording video from a camera It ranges from V to V Most of the cards we tested had a V rating so they have a sequential write speed of at least MB s This should be enough to support up to K video at lower bitrates Higher rated V and V cards are usually better for capturing K but they come at a much higher cost The UHS Speed Class or U rating also refers to a card s minimum sequential write speed It comes in two varieties U which mandates a minimum of MB s and U which is rated for MB s The older Speed Class rating overlaps with the other two systems It s signified by a C symbol and goes from Class to Class with the number again indicating minimum sequential write speed This rating is less relevant nowadays but you may still see a C logo on some cards The Application Performance spec marked by an A symbol is an indicator of random read write speeds This is measured in IOPS or input output operations per second rather than MB s There are two categories here A cards offer a minimum random read speed of IOPS and a minimum random write speed of IOPS while A cards bump those up to IOPS and IOPS respectively Both ratings also guarantee sequential write speeds of at least MB s To keep it simple most people should look for a card with V U and A ratings It s totally possible to get a solid card without those A U card might be worth it if you just need a cheap high capacity option for example V and V cards are worth a look if you re serious about shooting high resolution photos and video as well But overall cards with the certifications above should provide the best blend of price and performance today It s important to emphasize that these ratings are baselines Most V cards offer significantly higher write speeds than MB s for instance and some A cards can outperform some A models in practice The speeds advertised by manufacturers aren t always percent accurate either Sometimes the card will be slower in real world use other times it may actually be a bit faster Samsung UHS bus speeds The other spec to note is the card s bus interface Most microSD cards available today are UHS I which has a theoretical maximum speed of MB s There are also UHS II cards which have an extra row of pins on the back and can reach up to MB s A UHS III standard technically exists as well but hasn t seen wide adoption These are labeled on the card with a Roman numeral I or II UHS II cards are typically the ones with those higher V or V ratings If you shoot lots of K to K video or frequently use burst mode to capture ultra high res photos the performance gains of a good UHS II card can save you time However these are typically much more expensive than UHS I cards This GB Lexar Professional Gold model for instance is a relative bargain at While that s less than many UHS II models we ve seen in the past it s still more than double the common street price of our top pick above You need a device that s compatible with the UHS II interface to see any benefits too and stock for UHS II cards is often spottier For now the higher speeds aren t worth the price premium for most people so we stuck mostly to UHS I cards with our recommendations Unlike traditional UHS I cards a microSD Express card like the SanDisk model on the right comes with a second row of pins to enable its improved performance Jeff Dunn for Engadget microSD Express and the Nintendo Switch The absolute fastest microSD cards you can buy however are based on a different interface called SD Express This has technically been around for several years and now includes its own subset of speed classes but the gist is that it s much faster than UHS I or UHS II SanDisk s recently released microSD Express card one of the first commercially available models advertises sequential read speeds up to MB s That s quicker than some older SSDs It s a substantial upgrade that has largely held up in our testing but very few popular devices natively support SD Express today The first major exception is the Nintendo Switch which is only compatible with the newer standard as it s needed to keep up with the performance demands of new handheld games Besides SanDisk manufacturers like Samsung Lexar and PNY have already launched microSD Express cards to go with the console The presumption is that having such a popular device embrace the tech will only further its adoption and drive prices down But it s still early days and right now all microSD Express cards cost much more than the best UHS I or even UHS II options Beyond the Switch it s possible to take advantage of these cards superior speeds with a dedicated SD Express card reader but that adds even more to the final cost It s also worth noting that SD Express cards are not backwards compatible with UHS II or UHS III so if you try to plug one into a device with a UHS II slot it ll be limited to UHS I speeds Still they re a must for Nintendo fans going forward and the tech should have plenty of appeal if more gadgets that support the interface do arrive nbsp For more on how the first wave of Express cards perform on the Switch we ve put together a dedicated buying guide just for Nintendo s console nbsp A note on card readers and reaching advertised speeds While the UHS I interface has a theoretical maximum of MB s some UHS I cards can exceed that speed through proprietary extensions However you need a compatible card reader and host device to take advantage of that extra performance If you find a UHS I card advertising speeds higher than MB s this is what s going on You can see these limits in action with an original Nintendo Switch or Steam Deck Both of those gaming devices support the UHS I interface but don t go beyond its official speed flattening any sequential gains some cards may have elsewhere Differences in random read and write speeds can still matter though The same thing will happen if you plug a more powerful UHS II or SD Express card into a device that doesn t accept those interfaces The takeaway Your microSD card will only be as fast as the slowest link in your chain Warranty Many microSD cards are designed to be durable with protection from water extreme temperatures X rays and drops Still in case of catastrophe a long warranty is always good to have Many manufacturers offer lifetime or year limited warranties though we ve noticed that endurance cards marketed to withstand more hours of writing are usually covered for a shorter period of time For example Samsung s Pro Endurance a model aimed at security cameras and other monitoring devices comes with a five year warranty Avoiding counterfeits The memory card market has had a particular problem with scammers selling fake products To guard against this only buy from a known brand and a reputable retailer such as Best Buy B amp H Photo or Adorama If you shop at Amazon only buy if the shipper and seller is Amazon com That said a handful of users have reported receiving counterfeits even from Amazon directly in the past so exercise caution Remember If a price seems too good to be true it probably is Be wary of any retailer offering a significantly lower price than everyone else Once you receive a card check its packaging for any irregularities You can run benchmark tests like CrystalDiskMark or BlackMagic Disk Speed Test to verify its speeds aren t drastically lower than what s advertised or possible given its specs You can also use software that s designed to verify the true capacity and performance of your card such as Htestw and FakeFlashTest A few of the microSD card readers we ve used for testing Jeff Dunn for Engadget How we test microSD cards We ve put about microSD cards through a series of tests to verify their sequential and random performance These included benchmarks like CrystalDiskMark BlackMagic Disk Speed Test ATTO Disk Benchmark and AJA System Test as well as a few real world tests We copied and pasted a small folder of photos about GB in size to and from each card then did the same with a larger GB folder containing multiple file types and subfolders timing the process each time We also checked how each card performed on the Steam Deck downloading games of varying sizes ーincluding Stardew Valley Aperture Desk Job Metal Gear Rising Revengeance and Apex Legends nbsp ーthen timing how long it took to launch each game and load save files We do multiple runs of each test to verify our findings and account for potential outliers nbsp Where applicable we used a Kingston USB UHS II reader to test each card on both Windows and macOS Sequoia However if a card could be bundled with or is specifically advertised to use a proprietary reader we mainly tested with that since we figure that s the one most interested buyers will end up using For Windows testing we used an Alienware gaming PC with an Intel Core i F Nvidia GeForce RTX GPU GB of RAM and a TB SSD For macOS we used a inch MacBook Pro with an Apple M Pro chip GB of RAM and a GB SSD If a reader couldn t connect over USB C we used CalDigit s TS dock to test the corresponding card on the MacBook We tested the GB version of each card whenever we could though we were only able to test higher capacity models for a few options We also reformatted each card before testing with the SD Association s Memory Card Formatter tool For microSD Express cards we ran each model through a series of tests specific to the Switch since that is the only popular device that actually supports the tech You can read more about that process in our separate buying guide linked above Recent updates December We ve tested the Samsung P Express microSD Express card and noted it in our Switch section above We ve also made a few edits to highlight recent price increases and stock shortages driven by the ongoing AI boom November We ve tested Walmart s Onn microSD Express Card and edited our notes on the best cards for the Nintendo Switch accordingly September We ve fleshed out our advice on buying a microSD Express card for the Nintendo Switch nbsp May We ve updated this guide to ensure our advice is accurate and to reflect the new Nintendo Switch s use of microSD Express cards We ve also added testing notes for the Lexar Play Pro microSD Express card and the more standard PNY XLR We ve removed mentions of a few cards that have seemingly been discontinued including the original Kingston Canvas Go Plus the Lexar Professional x and the Samsung Evo Select We plan to test more new microSD Express cards for a future update February We ve updated this guide with a new top pick the Lexar Professional Silver Plus The Samsung Pro Plus our previous recommendation stays as a runner up We ve also added SanDisk s recently released microSD Express card as a pick for those who want the absolute fastest card possible albeit with heavy caveats This is one of the first microSD cards to use the SD Express bus interface so we ve included more details on what that entails in our what to look for in a microSD card section Lastly we ve removed our write up for SanDisk s Apex Legends card as it appears to have been discontinued and included testing notes for a couple of the company s more recent releases November We ve checked back with this guide to ensure our recommendations are still accurate and made light edits for clarity nbsp August We ve updated this guide to note the recently released TB models for three of our top picks the Samsung Pro Plus the Kingston Canvas Go Plus and the Samsung Evo Select We ve also made sure all pricing details are as up to date as they can be nbsp This article originally appeared on Engadget at	2026-02-09 17:01:26
科学	NYT > Science	A.I. Is Making Doctors Answer a Question: What Are They Really Good For?	https://www.nytimes.com/2026/02/09/health/ai-chatbots-doctors-medicine.html	Many physicians find chatbots threatening but that doesn t mean they re giving up on medicine	2026-02-09 17:17:56