Instruction: Generate an answer to the question by utilizing the information contained in the document.

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Question: The summery does not list a card reader. Is there one on this machine?
Document: This machine comes with 2x8GB DIMMs, which allows you to upgrade to 32GB easily and cheaply later. Beware any machine that comes with 4GB DIMMs if you think you might need to upgrade later.There are plenty of usb ports, including 2x3.0 and 2x2.0 on the front, which I find very handy.This doesn't come with built-in wireless. It's not an expensive add-in, but it is one more thing to buy if you need it.
If you forget that ASUS is advertising the USM all over the place and you can't get ONE! (See the M51AC reviews everywhere)It's an ok desktop. The video card is a GT640 with 4 Gig RAM? Why 4 I can't say. The 384 CUDA cores are a bit slow.But if you don't need screaming fast graphics this one will do.The biggest annoying thing is the drive constantly seeking; I think its the anti-virus crap from Mcafee...And if you install 'free' software watch out it won't stop things like 'Mysearchdial'... That was disappointing...ASUS has done a good job with a mid range system.
Very quiet, yet powerful machine.
This is a very fast, nice machine that is also very quiet. I have had this machine for about two weeks and my son has been gaming on it non-stop and has not had any issues.
The PC is a fast, nimble machine. I have however, spent way too much time clearing out the garbage that was lurking in it. Still have some redirects & popups. I would be totally satisfied with the purchase otherwise.
I am a gamer and a broadcaster just to be clear. the purpose of this computer was to broadcast on Twitch.tvThe computer has been absolutely exceeded my expectations. The computer is fast and very smooth. The Graphics card is average, but I can run Startcraft 2 on Ultra settings which was a bonus. Obviously it won't be able to run the heavy AAA games, but again, I really didn't by this to game on as I am a console gamer.Again, this has been a great experience. I have only had this for a week, but it's been great so far.
If I turn on the other PC and turn off the Asus, I can hear a whisper-like sound if I put my head up close to the PC. If I then turn off the other PC and turn on the Asus, I can hear those loud fans from more than 15 feet away. The difference is stunning.Second, and the most whacky thing I have seen in a desktop PC: You void the warranty if you ever open the case. Do you want to install an internal WiFi/Bluetooth card?
But I would have to ask them: Why do you include the seal and the warranty text saying your warranty means nothing if you open the case? This tactic is odd from a technology company. PCs were *meant* to be upgraded over time. That's why nearly all components inside are standardized and can be upgraded by simple replacement or addition.But if you can live with a loud PC and never need to upgrade it, the price for the many features it has is reasonable.----------UPDATE NOV. 18, 2013: All is quiet now.I discovered the source of the noise: the fan on the video card.
My PC came with a discrete graphics card, the NVIDIA GeForce GT640 with 3 GB of RAM. This apparently is a low-end gaming graphics card that gets hot during normal operations, so it comes with a built-in heat sink and cooling fan that take up about a third of the graphic card's space. As I said above, the fan sounds "normal" in that there is no wobble, squeal, or other indications of wear or defect. It's just a real loud whirring/whooshing sound. I replaced the graphics card with a fan-less Radeon HD 7750 and all is quiet.
Bzzt: your warranty is voided. Want to add a 2nd hard-drive? Bzzt: Sorry, your warranty is voided. More RAM? Same thing. The case comes with a sticker that seals the case, and in seven languages says, "DO NOT OPEN before reading Warranty Card." The warranty says, "3. Exclusions from the Limited Warranty Service. The warranty excludes the following conditions. ... (4) The warranty seals has [sic] been broken or altered. "I have seen Asus representatives commenting on other reviews saying, well, we don't actually enforce that warranty exclusion, we just don't want you to send the PC to us for warranty service with your upgrades in place.
Answer: Hello,Yes, it has card reader: Memory Stick, Memory Stick PRO, Microdrive, MultiMediaCard, SD Memory Card, Memory Stick Duo, Memory Stick PRO Duo, CompactFlash Card, RS-MMC, SDHC Memory Card.Best regards,Amuras