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. An 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.

Dell 06K55X 200GB SSD SAS-6GBPS
$430.00

06K55X Dell 200GB SLC SAS-6GBPS 2.5inch Internal Solid State Drive For Dell Poweredge R610 Server. Refurbished.

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Dell 06R5R8 200GB SSD SAS 6GBPS
$170.00

06R5R8 Dell 200GB SLC SAS 6GBPS 2.5inch Internal Solid State Drive SSD. Refurbished.

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Dell 06VJ7 480GB SSD SAS12GBPS
$630.00

06VJ7 Dell 480GB Read Intensive Mlc SAS 12GBPS 2.5inch Hot Swap Solid State Drive For Poweredge Server. New Factory Sealed 3 Years Warranty.

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Dell 06VJ7 480GB SSD SAS12GBPS
$340.00

06VJ7 Dell 480GB Read Intensive Mlc SAS 12GBPS 2.5inch Hot Swap Solid State Drive For Poweredge Server. Refurbished.

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Dell 06XJ05 400GB SSD SATA 6GBPS
$128.00

06XJ05 Dell 400GB SATA Mix Use MLC 6GBPS 2.5Inch Hot Plug Solid State Drive For 13G Foweredge Server. Refurbished.

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Dell 06XK0 1.92TB SSD SAS 12GBPS
$1277.00

06XK0 Dell 1.92TB Mix Use MLC SAS 12GBPS 2.5Inch 3.5IN Hybrid Carrier Hot Plug Solid State Drive For Poweredge Server. New Bulk Pack.

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Dell 072PJ 800GB SATA 6GBPS
$329.00

072PJ Dell 800GB Mixed USE MLC SATA 6GBPS 2.5inch Enterprise CLASS DC S3610 Series Solid State Drive. Refurbished.

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Dell 077K16 1.6TB SSD SAS-12GBPS
$1255.00

077K16 Dell 1.6TB MIX USE MLC SAS 12GBPS 512N 2.5inch Hot Plug Solid State Drive For Dell Poweredge Server. New Sealed With Dell Warranty.

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Dell 07C7FK 400GB SSD SATA-6GBPS
$232.00

07C7FK Dell 400GB Write Intensive MLC SATA-6GBPS 2.5In ch For M Factor Hot-Swap Solid State Drive For Poweredge Server. Refurbished.

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Dell 07D7R 960GB SSD SATA 6GBPS
$685.00

07D7R Dell 960GB Mix Use Tlc Sata 6GBPS 2.5inch Hot Plug Solid State Drive For Dell Poweredge Server. New Sealed With Dell Warranty.

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