Solid State Drive

Solid State Drive types

When it comes to computing, priorities are placed on storage and performance. The hard drive is often viewed as a major storage device. However, there is alternative hardware that can do a perfect job. People now use Solid State Drives as the main storage device for a wide range of technological needs.

An SSD is a nonvolatile storage media that stores data on solid-state flash memory. It emulates the hard disk drive by enhancing servers' capabilities and performance, desktop computers, and other devices. Users view them as the best option for responsiveness, increased disk space, and better performance.

SSD VS HDD

Solid State Drives and hard disk drives are somewhat similar in their physical specification. However, they store data in different ways. HDD stores data magnetically via spinning disk platters. It has an actuator arm with transducers that read and write data on the platter.

On the other hand, an SSD stores data in integrated circuits. It has no moving parts and does not require users to wait for platter movement. They are much smaller and more flexible than hard disk drive - HDDs. Having no physical moving parts and using electrical circuits makes solid state drives faster than their hard drive counterparts.

Their faster speed makes them more useful when carrying out storage-intensive tasks. Many SSDs also come with PCIe interfaces, which makes them faster than HDDs with SATA interfaces. Also, SSDs are generally more reliable than HDDs. This is because they have no moving parts, and vibration or friction does not affect them.

Data access with SSDs is faster, so they require less power. This results in longer battery life for servers and computers. HDDs, on the other hand, require more power because of their moving disk platters.

How Do Solid State Drives Work?

Solid State Drives read and write data on interconnected flash memory chips. They come with floating gate transistors (FGRs) that help them hold electrical charges. With the FGRs, SSDs retain information even when power is turned off.

The NAND flash memory stores the data of the SSD. They make use of four NAND cell technologies – single, multi, triple, and Quad-level cells. Single-level cells (SLC) hold one bit of data at a time.

Multi-level cells (MLC) can hold two bits of data per cell. They have more storage space than SLC. Triple-level cells (TLC) hold three bits of data per cell, offering more capacity than the SLC and MLC. The Quad-level cells (QLC) stores four bits of data, giving migrating electrons the most significant effect.

Types of SSDs

The types of solid state drives depend on the way they are used. Some of these devices are installed within the system hardware, while others are connected externally through ports. The common interfaces for SSD connection are:

  • PCIe and NVMe

Users make use of PCI Express (PCIe) to connect graphics cards and related high-performance peripherals. It is an interface with low latency and high bandwidth. Therefore, it is ideal for very fast communication between the SSD and the server.

Nonvolatile Memory Express standard (NVMe) offers higher input output per second. SSDs that use this connection type run at up to 4,000 MB/s.

  • SATA III and mSATA III

Serial Advanced Technology Attachment (SATA) is an older interface than the PCIe. Their signaling technology allows them to transfer data faster than traditional hard disk drive - HDDs. They have speeds of up to 600MB per second. SATA SSDs also offer the best compatibility and value than the HDD variants.

There are SSDs that are designed for business purposes. They can be external or internal, and they are convenient means of boosting PCs, desktop computers, gaming consoles, and servers.

  • SAS SSD

The Serial-Attached SCSI (SAS) version SSDs provide faster data transfer rates than the SATA SSDs. In general, a SAS SSD provides dual-port connection and builds in features to improve reliability, high error correction, low data latency, end to end data integrity, high signal quality on the cable or backplane which is a NAND flash-based storage and fit in HDDs slot of enclosures. A SAS solid-state drive bandwidth speeds 3Gbps, 6Gbps, and 12Gbps, there are two form factors 2.5 inches and 3.5 inches.

There are SSDs that are designed for business purposes. They can be external or internal, and they are convenient means of boosting PCs, desktop computers, gaming consoles, and servers.

XS15360SE70113 Seagate 15.36TB
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XS15360SE70113 Serial-Attached SCSI (SAS) 12GBPS 15.36TB Solid State Drive | Made by Seagate | Brand New 3 Years Warranty

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Seagate XS15360SE70103 15.36TB SSD SAS 12GBPS
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XS15360SE70103 Serial-Attached SCSI (SAS) Nytro 3000 15.36TB Scaled Endurance 12GBPS 3D Etlc 2.5Inch 15MM Solid State Drive | Made by Seagate | Brand New 3...read more

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Seagate XS15360TE70004 15.36TB SAS12GBPS
$4536.00

XS15360TE70004 Serial-Attached SCSI (SAS) 12GBPS Nytro 3131 15.36TB Read Intensive 3D ETLC 2.5inch 15MM Solid State Drive for Server | Made by Seagate |...read more

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Seagate XS7680SE70084 SAS Solid State Drive
$2164.00

XS7680SE70084 7.68 Terabytes (TB) Serial-Attached SCSI (SAS) 12 Gigabytes Per Second (GBPS) Seagate Nytro 3332 2.5 Inch Scaled Endurance Solid State Drive |...read more

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Seagate XS6400LE70084 6.4TB Solid State Drive
$1632.00

XS6400LE70084 6.4 Terabytes (TB) Serial-Attached SCSI (SAS) 12 Gigabits Per Second (GBPS) 2.5inch 15mm Solid State Drive | Made by Seagate | Refurbished

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Samsung MZILT960HAHQ-00007 960GB Solid State Drive
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MZILT960HAHQ-00007 Serial-Attached SCSI (SAS) 12 Gigabits Per Second (GBPS) 960 Gigabytes (GB) Solid State Drive | Made by Samsung | Brand New 3 Years Warranty

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Seagate XS3200ME70024 3.2TB SSD SAS 12GBPS
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XS3200ME70024 Serial-Attached SCSI (SAS) 3.2TB ETLC 12GBPS Write Intensive 2.5inch Solid State Drive | Made by Seagate | Brand New 3 Years Warranty

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Seagate XS6400LE70004 6.4TB SSD SAS 12GBPS
$2665.00

XS6400LE70004 Serial-Attached SCSI (SAS) 6.4TB ETLC 12GBPS Mixed 2.5 Inch Internal Solid State Drive | Made by Seagate | Brand New 3 Years Warranty

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Dell 003VVP 400GB SAS 12GBPS Solid State Drive
$639.00

003VVP 400 Gigabytes (GB) Serial-Attached SCSI (SAS) 12 Gigabytes Per Second (GBPS) Write Intensive 2.5 Inch Multi Level Cell (MLC) Cabled PX05SM Solid State...read more

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Seagate XS3200ME70004 Solid State Drive
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XS3200ME70004 Serial-Attached SCSI (SAS) 3.2 Terabytes(TB) ETLC 12 Gigabits Per Second (GBPS) Write Intensive 2.5 inch Solid State Drive | Made by Seagate |...read more

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