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 drives - 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 to 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) store 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 drives - 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 a 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 fits 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.

Dell 006VJ7 480GB SSD SAS 12GBPS
$930.00

006VJ7 Serial-Attached SCSI (SAS) 12GBPS Read Intensive MLC 480GB 512N 2.5inch Hot-Swap Solid State Drive for Server | Made by Dell | Refurbished

Additional 5% Discount on Checkout
Dell 0086DD 1.92TB SSD
$1043.00

0086DD 1.92 Terabytes (TB) Read Intensive Serial-Attached SCSI (SAS) 12 Gigabytes Per Second (GBPS) 512E 2.5inch Hot Plug Solid State Drive for Sever | Made...read more

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Dell 008R8 480GB SSD SATA 6GBPS
$437.00

008R8 480GB Serial Advanced Technology Attachment (SATA) 6GBPS 2.5inch Small Form Factor Sff Intel Dc S3510 Series Enterprise Class Multi Level Cell ( MLC )...read more

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Dell 008R8 480GB SSD SATA 6GBPS
$716.00

008R8 480GB Serial Advanced Technology Attachment (SATA) 6GBPS 2.5inch Small Form Factor Sff Intel Dc S3510 Series Enterprise Class Multi Level Cell ( MLC )...read more

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IBM 00FN400 800GB SSD SAS-12GBPS
$10950.00

00FN400 Serial-Attached SCSI (SAS) 800GB Enterprise SAS-12GB/S 2.5inch Hot-Swap Multi-Level Cell (Mlc) Internal Solid State Drive | Made by IBM | New Bulk Pack

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Lenovo 00YK217 Enterprise 800GB SATA 6GBPS SSD
$1075.00

00YK217 Serial Advanced Technology Attachment (SATA) 6GBPS Enterprise 800GB Hot Swap Mainstream Endurance Internal Solid State Drive for Server | Made by...read more

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Lenovo 00YK388 SAS 12GBPS SSD
$11201.00

00YK388 Serial-Attached SCSI (SAS) 12GBPS 15.36TB 2.5Inch Internal Solid State Drive for Server | Made by Lenovo | Refurbished

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0184M Dell Hot Plug Solid State Drive
$5832.00

0184M 1.92 Terabytes (TB) Mix Use Multi-Level Cell (MLC) Serial-Attached SCSI (SAS) 12 Gigabytes Per Second (GBPS) Hot Swap Solid State Drive for Server |...read more

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Dell 03XGD 3.84TB SAS Solid State Drive
$2938.00

03XGD 3.84TB Serial-Attached SCSI (SAS) 12GBPS 2.5inch Read-Intensive Endurance 512N HOT-PLUG Solid State Drive for Server | Made by Dell | Refurbished

Additional 5% Discount on Checkout
Dell 03XGD 3.84TB SAS 2.5inch 12GBPS SSD
$6322.00

03XGD 3.84TB Serial-Attached SCSI (SAS) 12GBPS 2.5inch Read-Intensive Endurance 512N HOT-PLUG Solid State Drive for Server | Made by Dell | Brand New

Additional 5% Discount on Checkout
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