NVMe SSDs: Everything you need to know about this fast storage

NVMe SSDs: Everything you need to know about this fast storage

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What is NVMe SSD?

Non Volatile Memory Express (NVMe) is the latest industry standard software to interface for PCIe SSDs. The Formally it is an optimized the “scalable host controller interface designed to address the needs of Data Center, Enterprise, & Client systems that utilize PCI Express (PCIe) based Solid-State drives.The NVMe is a layer between the device driver & the PCIe device, standardizing the rules with emphasis on scalability, low latency, & security.

 

This standard develop to allow modern SSDs to operate at speeds flash memory is capable of the sharp advantage with faster read-write. These NVMe SSD enables to the flash memory to run directly through the PCI Express (PCIe) serial bus interface as it offers high bandwidth due to being directly attached in to the CPU rather it than function through the limiting SATA speeds. As SSDs superseded the slower HHDs as primary storage, a fast interface its was required to achieve optimal use of the quicker speed capabilities.

 

In The other words, its a technologi depiction of the bus, these memory component (SSD) uses to communicate with the computer, & not exactly a new type of memory. The communications interface and driver that outlines a command set & feature set of PCIe based SSD. They comes in two form factor, M.2 or PCIe expansion card, a 2.5-inch U.2 connector, but with both form factors, it directly connects electrically to the motherboard via the PCIe rather than SATA connection.

 

These NVMe supports up to 64K commands per queue, but the protocol requires only thirteen commands to deliver high performance. The interface is designed for high scalability and NVM independence to enable next-generation technologies to deliver 4KB I/O in a mere 10μs or less, which is about one-thousandth of the latency of a high power 7200 RPM SATA drive.

 

NVMe is an improvement over the last interfaces like Serial ATA (SATA), and Serial Attached SCSI (SAS), which were developed for the shabby Hard Disk Drives (HDDs) and were being used till now even when replaced with SSDs because the memory technology its was rapidly evolving. Still, the communication the interface was not given proper attention. The HDDs are still used as they provide large capacity and cheap storage, while the flash memory has previously been only employed in mobile devices like tablets, smartphones, but now are more quickly coming to the primary computer market because of blazing fast speeds and comparatively cheaper than before.

 

The Disk benchmarks are not indeed an accurate indicator of memory performance, this offer a baseline of what’s probable with a particular drive and system. You can see a clear difference in performance when you use NVMe, with a read/write throughput far higher than the hard drives and slower SATA SSDs also lagging somewhat behind. As prices continue to drop for the latest NVMe SSDs, they are becoming commonplace for normal personal computer users.

 

The NVMe permits drives to use PCI Express connection in which brings many advantages over the SATA SSD interface, feasible for many application & usage scenarios.The NVMe doesn’t need the intervening HBA and can connect to a higher number of PCIe lanes. A SAS lane runs at 12GB per second, which contracts to just about 1GB per second after overheads. As well a SATA lane props half of that, while PCIe lane runs at 1GB per second, and a standard NVMe SSD can be attached to four such lanes, supporting up to 4GB per second. The SATA SSD runs at 0.5GB per second and an NVMe SSD at around 3GB per second, which is six times higher throughput.

 

Speed Of NVMe

NVMe is not affected by the ATA interface constrictions as it sits right on the top of the PCI Express directly connected to the CPU. Its results in 4 times faster Input/Output Operations Per Second (IOPs) rivaling the fastest SAS option out there. These seek time for data is ten times faster. NVMe can deliver sustained read-write speed of 2000MB per second, way faster than the SATA SSD III, which limits at 600MB per second. Here the bottleneck is NAND technology, which is rapidly advancing, which means we’ll likely see higher speeds soon with NVMe.

 

Performance

NVMe enables drives to benefit from the same “pool” of lanes that directly connect to the CPU. Its offers scalable performance by going beyond the conventional four lanes found in most PCIe SSDs and utilize them for added performance. PCIe sockets transfer more than 25 times more data than their SATA equivalent.

 

NVMe Power-efficient

NVMe drives consume a paltry amount of power in standby mode. NVMe companies have adopted the L1.2 low-power-consumption standby mode, meaning the power consumption will be under 2mW. A drastic 97 percent reduction from the 50mW used by an L1 state, widely used today. The addition to low power consumption in idle, there are other power states available for enterprise-grade users that can benefit from these to save power.

 

Compatibility

To the Regardless of form factor, NVMe directly communicates with the system CPU and works with all major operating systems.

 

Security

NVMe SSDs reinforce in the industry-standard security solutions such as the Opal SSC and Enterprise SSC by the Trusted Computing Group, by supporting the security container commands akin to the security container commands found in the SCSI.

Dedicated Server SSD vs HDD: What’s the Difference

Dedicated Server SSD vs HDD: What’s the Difference

The field of technology is ever-changing with new inventions and products being released for the ease of consumers. When it comes to the data storage industry, we have seen the transition from magnetic tapes to solid-state storage. For Desktop, Laptops and Servers particularly, there has been an increased shift from HDD (Hard Disk Drive) to SSD (Solid State Drive).Irrespective of whether you’re a tech-based company or not, it is important that you understand the basic difference between these two data storage technologies. This will help you make an informed decision when it comes to selecting the type of hosting you should opt for when it comes to setting up your online business (and other purposes in general).

What is Hard Disk Drive (HDD)?

HDD stands for Hard Disk Drive. It is a data storage device that uses rotating magnetic disks to store information. An HDD has a thin metal disk that rotates or spins in order to write and read data, as and when required. The preset speed at which the disk spins is typically between 4200 RPM to 7200 RPM where RPM stands for Revolutions Per Minute. The higher the preset speed, the faster the drive is able to read and write data.

What is Solid State Drive (SSD)?

SSD stands for Solid State Drive. This storage device uses flash memory to store data. ‘For the ease of understanding, you can think of USB flash drives. Unlike HDD, in Solid State Drive you have no moving parts, thus your disk doesn’t heat up, it consumes less energy and is able to read and write data at a faster speed.

Now that we’ve seen what HDD and SSD are, let us move on to seeing their Pros and Cons.

 

Pros and Cons of HDD

Pros of HDD:Affordable: HDD drives are cheaper and affordable as compared to SSD drives.Storage: HDD drive capacity offering is different for both desktops and laptops. With Desktops ten terabytes and two terabytes for laptops. Being cheaper, the storage aspect can be considered advantageous.

Cons of HDD:

Speed: As mentioned earlier, HDD uses rotational disks with a head that reads/writes the data and hence it is slow. This could, in fact, mean slow load time for your website and especially database-based sites.Efficiency: They use more energy because of disk rotation and hence are not as environmentally friendly as they should be. Moreover, HDD’s are prone to damage as they have several moving parts which if broken can reduce the span of your disk.

Pros and Cons of SSD

Pros of SSD:

Speed: As SSD uses flash memory, and fewer moving parts the speed at which your device works or website loads is much faster.
Reliable: Less moving parts is directly proportional to less breakage or wear out of the SSD. Thus, SSD’s are more efficient when it comes to saving energy and are more environmentally friendly.
Cons of SSD:

Costly: Being a fairly new technology as compared to HDD, SSD is expensive even though they deliver exceptional performance.
Storage: Storage capacity here is again linked to the cost. Unlike HDD, SSD’s are expensive and so getting the same amount of storage capacity as that in HDD can cost you a bit more than you might have expected.

What is the right choice for you?

HDD and SSD have their own benefits and drawbacks and the choice of the data storage depends on your needs, ours being the website. However, it is worth noting that when it comes to energy efficiency, speed and reliability the Solid State Drive (SSD) wins hands down.Nevertheless, when it comes to the choice of choosing the data storage device for your website it entirely depends on your needs. If speed and durability are your deciding factors, you should check out our newly launched Dedicated SSD Server hosting plans.

SSD Dedicated Servers

  • Powered with SSD storage these offer higher IOPS
  • Storage size up to 1.8TB (in RAID1)
  • Avg I/O: 327 MB/s*
  • Latest Intel Xeon D processors
  • High memory DDR4 chips are great for applications that rely on memory for storage/cache
  • Conclusion: High-Performance servers

HDD Dedicated Servers

  • Spindle drives with 7200RPM are good for basic requirements
  • Storage size up to 2TB (in RAID1)
  • Avg I/O: 127 MB/s*
  • Intel Xeon E3 processors
  • DDR3 RAM chips
  • Conclusion: Low-Cost servers