Markaad iibsanayso laptop cusub, waxaa laga yaabaa inaad aragtay dad ka doodaya in qalabka HDD wata uu ka fiican yahay ama mid SSD wata^{(HDD is better or one with an SSD)} . Waa maxay HDD halkan? Dhammaanteen waynu ka war haynaa wadaha Hard Disk-ga. Waa aaladda kaydinta tirada badan ee guud ahaan loo isticmaalo kombuyuutarrada, laptop-yada. Waxay kaydisaa nidaamka hawlgalka iyo barnaamijyada kale ee codsiga. SSD ama Solid-State Drive waa beddelka cusub ee Hard Disk - ^{(Hard Disk Drive)}ga^(SSD) caadiga ah . Waxa ay soo gashay suuqa dhawaanahan halkii ay ka ahaan lahayd hard drive-ka, kaas oo ahaa agabka kaydinta tirada guud ee dhawrka sano ah.

In kasta oo ay shaqadoodu la mid tahay tan darawalka adag, haddana looma dhisna sida HDD-yada^(HDDs) ama uma shaqeeyaan iyaga oo kale. Kala duwanaanshahan ayaa SSD^(SSDs) -yada ka dhigaya mid gaar ah oo siinaya aaladda xoogaa faa'iidooyin marka loo eego disk-ga adag. Noo sheeg wax badan oo ku saabsan Solid-State Drives, qaabdhismeedkooda, shaqayntooda, iyo qaar kaloo badan.^{(Let us know more about Solid-State Drives, their architecture, functioning, and much more.)}

Waa maxay Solid-State Drive (SSD)?

Waxaan ognahay in xusuustu ay noqon karto laba nooc - mid kacsan iyo mid aan kacsanayn^{(volatile and non-volatile)} . SSD waa aalad^(SSD) kaydinta aan kacsanayn. Tani waxay ka dhigan tahay in xogta ku kaydsan SSD ay sii jirto xitaa ka dib marka korontada la joojiyo. Sababo^(Due) la xiriira qaab-dhismeedkooda (waxay ka kooban yihiin flash controller iyo NAND flash memory chips), wadeyaasha adag waxa kale oo loo yaqaan flash drives ama disks-state adag.

SSDs - Taariikh kooban^{(SSDs – A brief history)}

Hard disks-yada waxaa inta badan loo isticmaali jiray kaydinta sanado badan. Dadku wali waxay ku shaqeeyaan aaladaha diskooga adag. Haddaba, maxaa dadka ku riixay inay cilmi-baadhis ku sameeyaan qalab kaydin badan oo beddel ah? Sidee SSD^(SSDs) -yadu ku yimaadeen? Aynu si yar u eegno taariikhda si aan u ogaano dhiirigelinta ka dambeysa SSDs .

Sannadihii 1950-aadkii, waxa jiray 2 tignoolajiyada loo isticmaalo oo la mid ah habka ay SSD^(SSDs) -yadu u shaqeeyaan, kuwaas oo kala ah, xusuusta xudunta u ah magnet-ka iyo kaydka-kariyaha-kaarka-kaliya kaydinta. Si kastoy ahaataba, waxa ay isla markiiba libdheen in ay iloobaan taas oo ay ugu wacnayd helitaanka qaybo kaydinta durbaanka oo ka jaban.

Shirkadaha sida IBM waxay ^(IBM)SSDs ku isticmaali jireen kombuyuutarradoodii hore. Si kastaba ha ahaatee, SSD^(SSDs) -yada inta badan lama isticmaali jirin sababtoo ah waxay ahaayeen kuwo qaali ah. Ka dib, 1970-meeyadii, qalab la odhan jiray Electrically Alterable ROM waxaa sameeyay Qalabka^{(Instruments)} Guud . Tani, sidoo kale, ma sii socon waqti dheer. Sababtoo^(Due) ah arrimaha adkeysiga, qalabkani sidoo kale ma helin caan.

Sannadkii 1978-kii, SSD -gii ugu horreeyay waxaa loo adeegsaday shirkadaha saliidda si ay u helaan xogta seismic. Sannadkii 1979, shirkadda StorageTek waxay samaysay RAM-kii ugu horreeyay abid ee SSD^{(RAM SSD)} .

^(RAM)SSD -yada ^(SSDs)RAM- ku- salaysan ayaa la isticmaalayey muddo dheer. In kasta oo ay dheereysteen, haddana waxay cuneen ilo badan oo CPU ah oo aad bay qaali u ahaayeen. Horraantii 1995-kii, SSD^(SSDs) -yada flash-ku-saleysan ayaa la sameeyay. Tan iyo markii la hirgeliyay SSDs -ku-salaysan , codsiyada warshadaha qaarkood oo u baahan heerka MTBF (waqtiga celceliska u dhexeeya guuldarrada) , ^{(MTBF (mean time between failures))}HDDs waxay ku beddeleen SSDs . Darawalada adag ee gobolka ayaa awood u leh inay u adkeystaan ​​shoogga ba'an, gariirka, isbedelka heerkulka. Markaa waxay taageeri karaan qiimayaasha macquulka ah ee MTBF.^{(MTBF rates.)}

Sidee bay u shaqeeyaan darawalada adag ee State?^{(How do Solid State Drives work?)}

SSD^(SSDs) -yada waxaa lagu dhisay in la isku dhufto chips-ka xusuusta ee isku xiran ee isku xiran. Chips-yadu waxay ka samaysan yihiin silikoon. Tirada jajabyada ee xirmooyinka waa la beddelaa si loo gaaro cufnaanta kala duwan. Kadibna, waxay ku rakiban yihiin transistors gate sabeynaya si ay u xajiyaan. Sidaa darteed, xogta la kaydiyay waxaa lagu hayaa SSD^(SSDs) -yada xitaa marka ay ka go'aan isha korontada.

SSD kasta waxa uu yeelan karaa mid ka mid ah saddexda nooc ee xusuusta^{(three memory types)} - hal-heer, heer-badan ama unugyo saddex-le-heer ah.

1. Unugyada halbeegga ah^{(Single level cells)} ayaa ah kuwa ugu dhaqsiyaha badan uguna cimri dheer dhammaan unugyada. Markaa, iyaguna waa kuwa ugu qaalisan. Kuwan waxa loo dhisay in ay hayaan xog yar wakhti kasta.

2. Unugyada heerarka kala duwan^{(Multi-level cells)} waxay hayn karaan laba qaybood oo xog ah. Meel bannaan oo la siiyay, waxay hayn karaan xog ka badan unugyada hal-heer ah. Si kastaba ha ahaatee, waxay leeyihiin khasaare - xawaarahooda qorista waa gaabis.

3. Unugyada saddex-geesoodka ah^{(Triple-level cells)} ayaa ah kuwa ugu raqiisan inta badan. Way ka cimri yar yihiin. Unugyadani waxay hayn karaan 3 xabo oo xog ah hal unug. Waxay qoraan xawaaraha ayaa ah kan ugu hooseeya.

Waa maxay sababta SSD loo isticmaalo?^{(Why is an SSD used?)}

Hard Disk^{(Hard Disk Drives)} -yada waxay ahaayeen aaladda kaydinta caadiga ah ee nidaamyada, muddo dheer. Markaa, haddii shirkaduhu u wareegayaan SSDs , waxaa laga yaabaa inay jirto sabab wanaagsan. Aynu hadda aragno sababta ay shirkadaha qaarkood u door bidaan SSD^(SSDs) -yada alaabadooda.

HDD -dhaqameedka , waxaad haysataa matoor aad ku miiqdo saxanka, oo madaxa R/W ayaa dhaqaaqa. SSD dhexdeeda , kaydinta waxaa lagu daryeelaa chips-ka xusuusta flash-ka. Sidaa darteed, ma jiraan qaybo dhaqaaqa. Tani waxay kor u qaadaysaa cimriga aaladda.^{(enhances the durability of the device.)}

Laptobyada leh darawallada adag, qalabka kaydinta ayaa isticmaali doona awood dheeraad ah si uu u miiqsado saxanka. Maadaama SSD^(SSDs) -yadu ay ka madhan yihiin qaybo dhaqaaqa, laptops-yada SSD^(SSDs) -yadu waxay cunaan tamar ka yar. In kasta oo shirkaduhu ay ka shaqeynayaan sidii ay u dhisi lahaayeen HDD-yada^(HDDs) isku-dhafka ah ee isticmaala awood yar inta ay wareegayaan, aaladahaan isku-dhafka ah waxay u badan tahay inay cunaan awood ka badan darawal-goboleed adag.^{(these hybrid devices will probably consume more power than a solid-state drive.)}

Hagaag, waxay u egtahay inaysan lahayn qaybo dhaqaaqa oo leh faa'iidooyin badan. Mar labaad^(Again) , la'aanta saxannada wareega ama dhaqaaqa madaxa R/W waxay micne tahay in xogta laga akhrin karo wadista ku dhawaad ​​isla markiiba. SSD^(SSDs) - yada , daahida ayaa si aad ah hoos ugu dhacda. Markaa^(Thus) , nidaamyada leh SSD^(SSDs) -yada waxay u shaqayn karaan si dhakhso ah.

Lagu taliyay: ^{(Recommended: )}Waa maxay Microsoft Word?^{(What is Microsoft Word?)}

HDD-yada waxay^(HDDs) u baahan yihiin in si taxadar leh loo maareeyo. Maadaama ay leeyihiin qaybo dhaqaaqa, waa kuwo xasaasi ah oo jilicsan. Mararka qaarkood, xitaa gariir yar oo ka yimaada dhibicdu waxay dhaawici kartaa HDD . Laakiin SSDs ayaa gacanta sare ku leh halkan. Waxay u adkeysan karaan saamaynta si ka wanaagsan HDD-yada^(HDDs) . Si kastaba ha ahaatee, maadaama ay haystaan ​​tiro xaddidan oo wareegyo qoraal ah, waxay leeyihiin nolol go'an. Waxay noqdaan kuwo aan la isticmaali karin marka wareegyada qorista ay daalaan.

Noocyada SSD-yada^{(Types of SSDs)}

Qaar ka mid ah sifooyinka SSD^(SSDs) -yada waxaa saameeya nooca ay yihiin. Qaybtan, waxaan kaga hadli doonaa noocyada kala duwan ee SSD^(SSDs) -yada .

1. 2.5” – Marka la barbar dhigo dhammaan SSD^(SSDs) -yada ku jira liiska, tani waa tan ugu gaabisa. Laakiin wali way ka dhakhso badan tahay HDD . Noocaan waxaa lagu heli karaa qiimaha ugu fiican GB kasta. Waa nooca ugu badan ee SSD ee maanta la isticmaalo.

2. mSATA - m waxay u taagan tahay mini. mSATA SSDs way ka dheereeyaan 2.5" Waxaa lagu door bidaa aaladaha (sida laptop-yada iyo buugaagta xusuus-qorka) halkaasoo boosku aanu ahayn mid raaxo leh. Waxay leeyihiin qaab yar. Halka guddiga wareegga ee 2.5 ″ uu kuxiran yahay, kuwa ku jira mSATA SSDs waa qaawan yihiin. Nooca isku xirka iyagana wuu ka duwan yahay.

3. SATA III - Kani wuxuu leeyahay xidhiidh kaas oo labada SSD iyo HDD waafaqsan. ^{(This has a connection that is both SSD and HDD compliant.)}Tani waxay caan noqotay markii ugu horeysay ee dadku bilaabeen inay SSD ka guuraan HDD . Waa xawaare gaabis ah oo ah 550 MBps . Darawalka wuxuu ku xiran yahay Motherboard-ka iyadoo la isticmaalayo xargo loo yaqaanno Cable SATA si uu u yara jaro.

4. PCIe - PCIe waxay u taagan tahay Qaybaha Peripheral Interconnect Express^{(Peripheral Component Interconnect Express)} . Kani waa magaca loo bixiyay booska kaas oo inta badan ku yaal kaararka garaafyada, kaararka codadka, iyo wixii la mid ah. PCIe SSDs waxay isticmaalaan booskan. Waxay yihiin kuwa ugu dhaqsaha badan dhammaan iyo si dabiici ah, sidoo kale ugu qaalisan. Waxay gaari karaan xawaare ku dhawaad ​​afar jeer ka sarreeya kan SATA wadista^{(SATA drive)} .

5. M.2 - Sida m SATA drives, waxay leeyihiin looxa wareeg ah oo qaawan. M.2 drives jir ahaan waa kuwa ugu yar dhammaan noocyada SSD . Kuwani waxay si habsami leh uga soo horjeedaan Motherboard-ka. Waxay leeyihiin biin xiriiriyaha ah oo yar waxayna qaataan meel aad u yar. Xajmigooda^(Due) yar awgeed, si degdeg ah ayay u kululaan karaan, gaar ahaan marka xawaaruhu sarreeyo. Sidaa darteed, waxay la yimaadaan kuleyl ku dhex-dhismay kuleyliyaha. M.2 SSDs waxay diyaar u yihiin noocyada SATA iyo PCIe^{(PCIe types)} labadaba . Sidaa darteed, darawallada M.2 waxay noqon karaan cabbirro iyo xawaarahooda kala duwan. Halka mSATA iyo 2.5" darawaladu aysan taageeri karin NVMe (oo aan arki doono soo socda), M.2 drives ayaa awood u leh.

6. NVMe - NVMe waxay u taagan tahay xusuusta aan kacsanayn^{(Non-Volatile Memory express)} . Weedha waxaa loola jeedaa interface dhex SSDs sida PCI Express iyo M.2 xogta sarrifka la martida loo yahay. Iyada oo la adeegsanayo interface NVMe , qofku wuxuu gaari karaa xawaare sare.

SSD-yada ma loo isticmaali karaa dhammaan PC-yada?^{(Can SSDs be used for all PCs?)}

Haddii SSD-yadu ay leeyihiin wax badan oo ay bixiyaan, maxay si buuxda ugu beddeli waayeen HDD-yada inay yihiin kaydinta ugu weyn? ^{( why have they not fully replaced HDDs as the main storage device?)}Caqabadda muhiimka ah ee tani waa kharashka. In kasta oo qiimaha SSD uu hadda ka yar yahay sidii uu ahaa, markii uu suuqa soo galay, HDD-yada ayaa weli ah ikhtiyaarka ka jaban^{( HDDs are still the cheaper option)} . Marka la barbardhigo qiimaha darawalka adag, SSD waxay ku kici kartaa ku dhawaad ​​saddex ama afar jeer ka badan. Sidoo kale, markaad kordhiso awoodda wadista, qiimuhu si dhakhso ah ayuu u korayaa. Sidaa darteed, weli may noqon doorasho dhaqaale ahaan lagu heli karo dhammaan nidaamyada.

Sidoo kale akhri: ^{(Also Read:)} Hubi haddii darawalkaagu uu yahay SSD ama HDD gudaha Windows 10^{(Check If Your Drive is SSD or HDD in Windows 10)}

Sababta kale ee ay SSD^(SSDs) -yadu si buuxda ugu beddeli waayeen HDD-yada^(HDDs) waa awoodda. Nidaamka caadiga ah ee SSD wuxuu yeelan karaa awood u dhaxaysa 512GB ilaa 1TB. Si kastaba ha ahaatee, waxaan horay u haysanay nidaamyada HDD oo leh dhowr terabyte oo kayd ah. ^(HDD)Sidaa darteed^(Therefore) , dadka eegaya awoodaha waaweyn, HDD-yadu^(HDDs) wali waa dooq-doorkooda.

Xaddid^{(Limitations)}

Waxaan soo aragnay taariikhda ka dambeysa horumarinta SSD , sida SSD loo dhisay, faa'iidooyinka ay bixiso, iyo sababta aan weli loogu isticmaalin dhammaan PCs/laptops . Si kastaba ha ahaatee, hal-abuur kasta oo tignoolajiyada ahi waxa ay la timaadaa cilladaheeda. Waa maxay faa'iido darrada waditaanka-state-adag?

1. Xawaaraha qor -^{(Write speed –)} Maqnaanshaha qaybaha dhaqaaqa awgeed, SSD waxay isla markiiba heli kartaa xogta. Si kastaba ha ahaatee, daahitaanka kaliya ayaa hooseeya. Marka xogta ay tahay in lagu qoro saxanka, xogtii hore ayaa loo baahan yahay in marka hore la tirtiro. Markaa, hawlgallada qorista ayaa gaabis ku ah SSD . Farqiga xawaaraha waxa laga yaabaa in aanu u muuqan celceliska isticmaalaha. Laakiin waa wax khasaare ah marka aad rabto inaad ku wareejiso tiro badan oo xog ah.

2. khasaaraha Data iyo soo kabashada - ^{(Data loss and recovery –)}Data la tirtiro on drives adag-state waa lumay si joogto ah. Maadaama aysan jirin nuqul xog ah oo la xoojiyay, tani waa khasaare aad u weyn. Luminta joogtada ah ee xogta xasaasiga ah waxay noqon kartaa shay khatar ah. Sidaa darteed, xaqiiqda ah in mid ka mid ah uusan ka soo kaban karin xogta lumay SSD waa xaddidaad kale halkan.

3. Qiimaha -^{(Cost –)} Tani waxay noqon kartaa xaddidaad ku meel gaar ah. Maadaama SSDs ay yihiin tignoolajiyada ka cusub, waa dabiici inay ka qaalisan yihiin HDD-yada^(HDDs) caadiga ah . Waxaan aragnay in qiimuhu hoos u dhacay. Waxaa laga yaabaa in dhowr sano gudahood, qarashku uusan dadka ka celin doonin inay u wareegaan SSD^(SSDs) -yada .

4. Lifespan - Hadda waxaan ognahay in xogta lagu qoro saxanka iyadoo la tirtirayo xog hore. SSD kastaa^{(Every SSD)} waxay leedahay tiro go'an oo wareegyada qorista/tirtirka ah. Markaa, marka aad u dhowdahay xadka wareegga qorista/tirtirka, waxqabadka SSD ayaa laga yaabaa in la saameeyo. Celcelis ahaan SSD waxay la timaadaa ilaa 1,00,000 wareegyo qoraal/tirtir ah. Tiradan kooban waxay soo gaabinaysaa cimriga SSD .

5. Kaydinta -^{(Storage –)} Sida kharashka, tani mar kale waxay noqon kartaa xaddidaad ku meel gaar ah. Ilaa hadda, SSD^(SSDs) -yada waxaa lagu heli karaa oo keliya awood yar. SSD^(SSDs) - yada awooda sare leh, waa in la bixiyaa lacag badan. Waqtiga kaliya ayaa sheegi doona haddii aan heli karno SSDs la awoodi karo oo leh awood wanaagsan.

What is a Solid-State Drive (SSD)? SSD Definition

While buying a new laptoр, you might have seen people dеbating whether a device with an HDD is better or one with an SSD. What is HDD here? We all are aware of the hard disk drive. It is a mass storage device used generally in PCs, laptops. It stores the operating system and other application programs. An SSD or Solid-State drive is a newer alternative for the traditional Hard Disk Drive. It has come into the market much recently instead of the hard drive, which has been the primary mass storage device for several years.

Although their function is similar to that of a hard drive, they are not built like HDDs or work like them. These differences make SSDs unique and give the device some benefits over a hard disk. Let us know more about Solid-State Drives, their architecture, functioning, and much more.

What is a Solid-State Drive (SSD)?

We know that memory can be of two types – volatile and non-volatile. An SSD is a non-volatile storage device. This means that data stored on an SSD stays even after the power supply is stopped. Due to their architecture (they are made up of a flash controller and NAND flash memory chips), solid-state drives are also called flash drives or solid-state disks.

SSDs – A brief history

Hard disk drives were predominantly used as storage devices for many years. People still work on devices with a hard disk. So, what pushed people to research an alternative mass storage device? How did SSDs come into being? Let us take a small peek into the history to know the motivation behind SSDs.

In the 1950s, there were 2 technologies in use similar to the way SSDs work, namely, magnetic core memory and card-capacitor read-only store. However, they soon faded into oblivion due to the availability of cheaper drum storage units.

Companies such as IBM used SSDs in their early supercomputers. However, SSDs were not used often because they were expensive. Later, in the 1970s, a device called Electrically Alterable ROM was made by General Instruments. This, too, did not last long. Due to durability issues, this device also did not gain popularity.

In the year 1978, the first SSD was used in oil companies to acquire seismic data. In 1979, the company StorageTek developed the first-ever RAM SSD.

RAM-based SSDs were in use for a long time. Although they were faster, they consumed more CPU resources and were quite expensive. In early 1995, flash-based SSDs were developed. Since the introduction of flash-based SSDs, certain industry applications that require an exceptional MTBF (mean time between failures) rate, replaced HDDs with SSDs. Solid-state drives are capable of withstanding extreme shock, vibration, temperature change. Thus they can support reasonable MTBF rates.

How do Solid State Drives work?

SSDs are built by stacking together interconnected memory chips in a grid. The chips are made of silicon. The number of chips in the stack is changed to achieve different densities. Then, they are fitted with floating gate transistors to hold a charge. Therefore, stored data is retained in SSDs even when they are disconnected from the power source.

Any SSD can have one of the three memory types – single-level, multi-level or triple-level cells.

1. Single level cells are the fastest and most durable of all cells. Thus, they are the most expensive too. These are built to hold one bit of data at any given time.

2. Multi-level cells can hold two bits of data. For a givens space, they can hold more data than single-level cells. However, they have a disadvantage – their write speed is slow.

3. Triple-level cells are the cheapest of the lot. They are less durable. These cells can hold 3 bits of data in one cell. They write speed is the slowest.

Why is an SSD used?

Hard Disk Drives have been the default storage device for systems, for quite a long time. Thus, if companies are shifting to SSDs, there is perhaps a good reason. Let us now see why some companies prefer SSDs for their products.

In a traditional HDD, you have motors to spin the platter, and the R/W head moves. In an SSD, storage is taken care of by flash memory chips. Thus, there are no moving parts. This enhances the durability of the device.

In laptops with hard drives, the storage device will consume more power to spin the platter. Since SSDs are devoid of moving parts, laptops with SSDs consume relatively lesser energy. While companies are working to build hybrid HDDs which consume lesser power while spinning, these hybrid devices will probably consume more power than a solid-state drive.

Well, it looks like not having any moving parts comes with plenty of benefits. Again, not having spinning platters or moving R/W heads implies that data can be read from the drive almost instantly. With SSDs, the latency decreases considerably. Thus, systems with SSDs can operate faster.

Recommended: What is Microsoft Word?

HDDs need to be handled carefully. As they have moving parts, they are sensitive and fragile. Sometimes, even a small vibration from a drop can damage the HDD. But SSDs have the upper hand here. They can withstand impact better than HDDs. However, since they have a finite number of write cycles, they have a fixed lifespan. They become unusable once the write cycles are exhausted.

Types of SSDs

Some of the features of SSDs are influenced by their type. In this section, we shall discuss the various types of SSDs.

1. 2.5” – Compared to all the SSDs on the list, this is the slowest. But it is still faster than HDD. This type is available at the best price per GB. It is the most common type of SSD in use today.

2. mSATA – m stands for mini. mSATA SSDs are faster than 2.5” ones. They are preferred in devices (such as laptops and notebooks) where space is not a luxury. They have a small form factor. While the circuit board in 2.5” is enclosed, the ones in mSATA SSDs are bare. Their connection type also differs.

3. SATA III – This has a connection that is both SSD and HDD compliant. This became popular when people first started transitioning to SSD from HDD. It is slow speed of 550 MBps. The drive is connected to the motherboard using a cord called the SATA cable so that it can be a bit cluttered.

4. PCIe –PCIe stands for Peripheral Component Interconnect Express. This is the name given to the slot that usually houses graphic cards, sounds cards, and the like. PCIe SSDs use this slot. They are the fastest of all and naturally, the most expensive too. They can reach speeds that are almost four times higher than that of a SATA drive.

5. M.2 – Like mSATA drives, they have a bare circuit board. M.2 drives are physically the smallest of all SSD types. These lie smoothly against the motherboard. They have a tiny connector pin and take up very little space. Due to their small size, they can quickly become hot, especially when the speed is high. Thus, they come with a built-in heatsink/heat spreader. M.2 SSDs are available in both SATA and PCIe types. Therefore, M.2 drives can be of varying sizes and speeds. While mSATA and 2.5” drives cannot support NVMe (which we will see next), M.2 drives can.

6. NVMe – NVMe stands for Non-Volatile Memory express. The phrase refers to the interface through with SSDs such as PCI Express and M.2 exchange data with the host. With an NVMe interface, one can achieve high speeds.

Can SSDs be used for all PCs?

If SSDs have so much to offer, why have they not fully replaced HDDs as the main storage device? A significant deterrent to this is the cost. Although the price of SSD is now lesser than what it was, when it made an entry into the market, HDDs are still the cheaper option. Compared to the price of a hard drive, an SSD can cost almost thrice or four times higher. Also, as you increase the capacity of the drive, the price quickly shoots up. Therefore, it has not yet become a financially viable option for all systems.

Also Read: Check If Your Drive is SSD or HDD in Windows 10

Another reason why SSDs have not fully replaced HDDs is capacity. A typical system with an SSD can have power in the range of 512GB to 1TB. However, we already have HDD systems with several terabytes of storage. Therefore, for people who are looking at large capacities, HDDs are still their go-to option.

Limitations

We have seen the history behind the development of SSD, how an SSD is built, the benefits it provides, and why it has not been used on all PCs/laptops yet. However, every innovation in technology comes with its set of drawbacks. What are the disadvantages of a solid-state drive?

1. Write speed – Due to the absence of moving parts, an SSD can access data instantly. However, only latency is low. When data has to be written on the disk, previous data needs to be erased first. Thus, write operations are slow on an SSD. The speed difference may not be visible to the average user. But it is quite a disadvantage when you want to transfer huge amounts of data.

2. Data loss and recovery –Data deleted on solid-state drives is lost permanently. Since there is no backed-up copy of data, this is a huge disadvantage. Permanent loss of sensitive data can be a dangerous thing. Thus, the fact that one cannot recover data lost from an SSD is another limitation here.

3. Cost – This could be a temporary limitation. Since SSDs are a relatively newer technology, it is only natural that they are expensive than traditional HDDs. We have seen that the prices have been reducing. Maybe in a couple of years, the cost will not be a deterrent for people to shift to SSDs.

4. Lifespan – We now know that data is written to the disk by erasing previous data. Every SSD has a set number of write/erase cycles. Thus, as you near the write/erase cycle limit, the SSD’s performance may be affected. An average SSD comes with about 1,00,000 write/erase cycles. This finite number shortens the lifespan of an SSD.

5. Storage – Like cost, this can again be a temporary limitation. As of now, SSDs are available only in a small capacity. For SSDs of higher capacities, one must shell out a lot of money. Only time will tell whether we can have affordable SSDs with good capacity.

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