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Violin 1010 - world's densest  DRAM  array -  for  HPC and data center server acceleration
world's fastest 2U RAM-SSD
the PCIe connected Violin 1010
from Violin Memory

PCIe, PCI & cPCI SSD manufacturers
Addonics Technologies

Adtron

Asine

BiTMICRO Networks

Cenatek

Fusion-io

GIGA-BYTE Technology

Micro Memory

SanDisk

STEC

Taejin Infotech

Targa Systems Division

Vanguard Rugged Storage

Violin Memory

VMETRO
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RAM SSDs versus Flash SSDs - which is Best?
The great attraction of PCIe for SSD oems is that it can support a wide range of performance options with throughput upto 16GB/s, and much lower attachment costs than the alternatives.

The older busses like PCI and cPCI also provide performance which is adequate for many applications.

Bus connected SSDs have been around since the earliest days of the SSD market.

The advantage of this approach is high throughput and low latency compared to SSDs connected via traditional hard disk style interfaces like SAS, SATA, fibre-channel or InfiniBand.

But there are disadvantages too which include:-

1 - Bus style interfaces reduce the available market for the SSD oem. Because older servers may not have the interface, or perhaps the interface (for example Sun's SBus) is proprietary and is only available in a small range of models.

2 - Bus interfaces tend to have shorter permissable cable lengths - which restrict how such SSDs can be connected.

3 - Bus interfaces usually don't include intrinsic end to end error detection and correction. If the physical arrangement of the SSD pushes the speed and cable lengths too far - then errors can arise in the bus connect - which have to be dealt with in the associated driver.
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PCIe, PCI etc Extracts from SSD History
May 2008

STEC launched a PCIe mini card form SSD with 32GB capacity and 55MBps / 25MBps R/W speeds.


April 2008

STORAGEsearch.com published a new separate directory of PCIe, PCI & cPCI SSDs


March 2008

Fusion-io announced it had secured $19 million funding for its ioDrive - a PCIe compatible flash SSD.


November 2007

SanDisk launched a PCIe compatible 16G flash SSD.


October 2007

Addonics Technologies launched what it called a "low cost large capacity SSD" platform. It's a PCI card that can be installed with 4 Compact Flash cards with inbuilt RAID support.


August 2007

Targa Systems launched a 64G 3U CompactPCI flash SSD with USB interface.

Violin Memory launched world's fastest 2U SSD - with a PCIe interface.
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