http://www.robertmead.net/ssd-pata-64gb/
The main factor limiting the use of solid-state drives in laptops and desktop computers cost. These stations actually available for some time, but the cost of the drives is similar to the entire notebook, this is gradually changing as the number of companies producing the solid state drives and the capacity to produce the flash memory chips is growing. Currently the price of the SSD is less than half of the same capacity of the previous year.
The other problem that the adoption of solid-state drives is the capacity. Current hard disk technology can provide more than 320GB of data in a small 2.5-inch notebook hard drive. Until mid-2007 only 64GB (Samsung and SanDisk) solid-state drives are available in the market to the extent compatible with notebooks. Even the 64GB drives are extremely expensive.
All this is set soon change. Various companies that specialize in flash memory products announced next appear to push the capacity of the solid state drives to get closer to that of a normal hard disk but at even lower prices than existing SSDs. This will be a huge impact on notebook data storage.
This year Samsung remains the capabilities of solid-state storage push, the announcement of a super-fast 256 GB, 2.5-inch solid-state drive with a SATA II interface. It offers a sequential read speed of 200 MB / s and a write speed of 160 MB / s. Samsung expects the 2.5-inch SSD in September 2008 with a 1.8-inch version following launch in the fourth quarter of 2008. The company has no information about the current price.
The California's BiTMICRO announced has pushed the capacity of its 2.5-inch solid-state drives on a mammoth 416 GB - but they are for military and industrial customers. BiTMICRO says the 416 GB E-Disk transfer of up to 100 MB per second with bursts up to handle 133 GB / sec. The unit has a measuring range of -40 ° C to 85 ° C, which suitable for use in human-hostile environments. The drive supports PIO 0-4, DMA 0-2 and UDMA 0-6 transfer modes, and offers a ATA/ATAPI-7 PATA interface. BiTMICRO expects the start production at the stations in the first quarter of 2008, with the first units shipping in March 2008.
San Jose, California-base storage developer 'Super Talent "has announced that the thinnest now shipping 256GB 2.5-inch SSD drive in the world. This drive uses a standard SATA-1 interface and is designed as a drop-in replacement for standard 2.5-inch hard drives, but the drive measures 12.5 mm (0.5 inches) thick. Super Talent says is 40 percent thinner than the other 256 GB SSD to market at the moment.
So now no question of capacity and size of the solid state disk, but have a problem with the cost of SSD. Now cost is a major factor.
The most important factor in any consumer system costs. Until the desired functions can be placed on the market for an affordable price, the product succeed. The big trade-off is the cost vs. features.
There are many arguments to suggest that SSD will replace hard drive in many applications - but on the other side - the hard drive industry is still looking healthy - and there are many new applications for hard drives.
The 2 largest HD OEMs (Original Equipment Manufactures) - Seagate and Western Digital Collective reported nearly 17 billion U.S. dollars of revenue for the HD-12 months ending the summer of 2007. These revenues were 3 billion U.S. dollars more than their combined income of the HD-year. That is 3 billion U.S. dollars is itself larger than the size of the SSD market in 2007. So even though the SSD market is growing rapidly (about a doubling of revenue for the foreseeable future) is will not slam the brakes on growth in the hard disk market.
Replacing the hard disk SSD is not easy thinking by enterprisers. For example - in the server market acceleration the factor - SSD costs versus additional server costs - and is entirely separate from the hard drive costs. If we accept the results of this forecast the impact of SSDs could halve the number of servers needed in the long term. That would hit server shipments, but is probably a high capacity effect (up terabyte) hard drives. This is because the number of hard disks needed for bulk data storage and backup networks in enterprise storage is related to the growth and the data server numbers. In this scenario SSD's and HDS parallel can exist - and both markets can grow at the same time.
It is another case in other markets - as notebooks - where SSD's and HDS will compete head to head for the same slots. Yes, it is surely now customizable laptop SSDs are available in the market.
Predicting the price versus capacity issues where users will switch is full of difficulties. This means entertainment desktop PCs are safe for hard drives. But most business notebooks are likely to switch. On the other hand, consumers notebooks - which needs to entertainment (games and movies) will hang like an HD market.
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