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  #1  
Old 27-09-2019, 04:07
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emyeumeonhatf17f33 emyeumeonhatf17f33 is offline
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HDD đã thực sự chết ở phía bên kia bầu trời

Quote:
tóm tắt là từ ngày ssd rẻ đi thì án tử của hdd sắp tới
https://www.pcgamer.com/the-hdd-is-d...ffer_pcgamerfb
Em đang làm trong công ty sản xuất đĩa cd dvd đây hiện tại thì công ty còn sx mỗi ở vn và đài à dòng dvd và cd thì sx ở vn còn bluray và dvd-cd rewrite thì sản xuất ở đài sao mà hdd chết được

Last edited by emyeumeonhatf17f33; 27-09-2019 at 04:13.
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  #2  
Old 27-09-2019, 04:13
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Re: HDD đã thực sự chết ở phía bên kia bầu trời

Full engrisk
QUOTE]Falling prices mean even large SSDs are now affordable.

I've been using PCs since the original 8088 and 8086, and progress in processors and graphics over the decades has been phenomenal. Meanwhile, storage by comparison was limping along for most of the time, and it wasn't until SSDs started showing up in the late aughts that storage became exciting. The best SSDs can radically change the everyday feel of using a PC, and if you're still wondering about the merits of HDD vs. SSD, it's time to put that debate to rest. Hard drives may be cheaper, but as far as I'm concerned, HDD tech is dead
The first time I used an Intel X25-M 80GB SSD, I was blown away. Windows, browsers, and other applications seemed to launch almost instantly, and it was awesome. What wasn't quite so awesome was the price. $595 for 80GB was more than steep—it put the SSD out of reach for many users. Over the coming years, prices fell and capacities increased, but there have still been naysayers.

"Sure, you can get a 128GB SSD for $200 … or you can get a 2TB hard drive for the same price". That was said by many people back in 2011, where SSDs were at least an order of magnitude more expensive than hard drives. More recently, in 2016 NAND shortages caused a spike in SSD prices and we went from 500GB models selling for $100 back to $200 or more.

Thankfully, those shortages are now well and truly behind us, and you can find quite a few 1TB SSDs for less than $100 these days. And with advancements like QLC, it's not just SATA SSDs—Intel's 660p 1TB and Crucial's P1 1TB top the list in terms of value, at 10 cents or less per GB, and faster NVMe SSDs aren't far behind. (Actually, a few M.2 drives are now cheaper than SATA drives!)
Sure, you can still make the case that HDDs cost less. 4TB hard drives start at around 2 cents per GB. The thing is, while games continue to increase in size, I don't really need several terabytes of storage. 1TB may not be enough for all of my favorite games, apps, and benchmarking tools, but 2TB certainly is—and the Intel 660p 2TB is actually the lowest priced 2TB class SSD at just 9 cents per GB. It originally launched at a recommended price of $399 about a year ago, and it now sells for less than half that amount. That's the kind of progress I like to see!

Keep in mind that not all SSDs are created equal. If you run a bunch of write-heavy workloads, particularly random access writes, the QLC drives can struggle a bit. Outside of benchmarks, however, the most storage intensive task I'm likely to do is installing a new game—which is mostly a sequential access workload. That means throughput of 1,500MB/s or more for M.2 drives, compared to a maximum speed of 550MB/s for SATA. But whether it's a SATA or M.2 drive, for general home and consumer use, even a "slow" SSD is plenty fast. More importantly, because there are no moving parts, access speeds are often several orders of magnitude faster than a hard drive—microseconds compared to milliseconds.

A collection of modern M.2 NVMe SSDs
Hard drives continue to slowly increase in capacity, but with the advent of SSDs, manufacturers have basically abandoned higher RPM models, leaving 5,400 and 7,200 rpm as the two main options. With a 7,200 rpm spinning platter, that means about 4.2 ms on average for the right sector to pass under the drive heads, and usually another 8 ms to get the heads over the right track. 12 ms total might not seem like much, but for pseudo-random access workloads (like booting Windows), there can be thousands of such accesses. Contrast that with access times of anywhere from 10-150 μs (depending on the SSD) and it's easy to see why solid state storage handily eclipses spinning disks.

As far as longevity goes, there's nothing to worry about on the larger modern SSDs. The 1TB Intel 660p and Crucial P1 drives are rated for 200 TBW (TB written), spread out over five years. That's about 110 GB per day, if you're wondering—and the 2TB 660p doubles that to 219 GB per day. For consumer use, even 20 GB writes per day on average would be a lot, and it would take 27 years to burn out the NAND cells. 27 years ago, a state-of-the-art PC would have used a 486 processor, with perhaps 16-32MB of memory and a 250-500MB hard drive. I wouldn't even want to try guessing at what sort of hardware we'll be using two decades from now.
I'm not saying everyone has to fully abandon the venerable HDD now. They're great for backups, for example—I've got a 4TB model that I use for archiving old files and other data, and the past decade or so of documents, movies, and pictures still only uses about half of its capacity. But I know people with NAS setups that hold 100TB or more of movies, and HDDs are perfectly fine there. Still, my 4TB HDD is probably the last one I'll buy. As SSD prices continue to drop and performance and capacity continue to increase, HDDs are going the way of the floppy disk.[/quote]
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  #3  
Old 27-09-2019, 04:29
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Re: HDD đã thực sự chết ở phía bên kia bầu trời

Data center và server vẫn còn xài ào ạt nhé... chắc 10 năm nữa mới chết.
Bài báo xàm lông.

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Old 27-09-2019, 05:47
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Re: HDD đã thực sự chết ở phía bên kia bầu trời

Quote:
Originally Posted by QuynhNhu View Post
Data center và server vẫn còn xài ào ạt nhé... chắc 10 năm nữa mới chết.
Bài báo xàm lông.

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Dung lượng to thôi chứ dung lượng nhỏ với 2.5in oẳng cmnr
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Old 27-09-2019, 06:45
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Re: HDD đã thực sự chết ở phía bên kia bầu trời

Quote:
Originally Posted by thaigiang View Post
Dung lượng to thôi chứ dung lượng nhỏ với 2.5in oẳng cmnr
thì HDD lợi thế ở cái dung lượng to giá rẻ mới trụ đc với SSD. giờ chắc mấy anh sản xuất chỉ chơi dung lượng 2 4 6 8 10TB thôi quá, đám SSD phổ thông nó đánh cho toang hết ở cái dung lượng thấp
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  #6  
Old 27-09-2019, 06:54
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Re: HDD đã thực sự chết ở phía bên kia bầu trời

Ngày SSD còn đắt thì HDD còn đất sống. Giờ chip nhớ xếp chồng layer tăng dung lượng ngày càng lớn và ngày càng rẻ thì có lẽ cũng là lúc cáo chung cho HDD

Với người dùng cuối thì giờ lý do để chọn HDD hầu như chả có, còn với trung tâm dữ liệu chắc cũng sớm đi vào dĩ vãng hoặc vào ngách như bạn tape thôi. Cùng 1U thì mật độ dữ liệu của SSD sẽ tối ưu hơn nhiều so với HDD


Last edited by MeXoaiCocOi; 27-09-2019 at 06:57.
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  #7  
Old 27-09-2019, 07:04
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Re: HDD đã thực sự chết ở phía bên kia bầu trời

Mình bây giờ cũng không còn cái HDD nào, đang 2 cái SSD.
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  #8  
Old 27-09-2019, 07:15
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Re: HDD đã thực sự chết ở phía bên kia bầu trời

Cái ngày ssd mình vứt hdd đi cho luôn vì mình lưu rất ít
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  #9  
Old 27-09-2019, 07:20
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Re: HDD đã thực sự chết ở phía bên kia bầu trời

Lưu trữ lớn ssd vẫn còn đắt, bao giờ rẻ ngang hdd thì hdd nó mới chết
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  #10  
Old 27-09-2019, 07:24
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Re: HDD đã thực sự chết ở phía bên kia bầu trời

Đang xài ssd colorful 128gb cài win + hdd wd 1tb chứa data. Xui xui chết cả 2 cùng lúc là ăn sh!t luôn.
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