TLC vs MLC

In consumer solid state drives there is mainly used the MLC storage technology. TLC is a subspecies of MLC memory. The standard MLC memory stores 2 bits of information in one cell while in the TLC version can be stored three bits of information in one memory cell. That is, TLC is also a multi-level cell A TLC (triple-level cell) vagy másnéven 3-bit MLC még tovább megy, ugyanis egy ilyen típusú cella már három bitet tud tárolni, így például az SLC-hez képest egységnyi területen megtriplázza az elérhető tárkapacitást, míg az MLC-hez viszonyítva 50%-kal több adatot képes eltárolni SLC, MLC and TLC refer to the structure of flash memory cells and how many bits each cell can store. SLC stands for single-level cell which stores one bit, MLC stands for multi-level cell which stores two bits and TLC stands for triple level cells MLC has a higher data density than SLC so can therefore be produced in larger capacities. MLC has a good combination of price, performance, and endurance. However, MLC is more sensitive to data errors with 10,000 P/E cycles and therefore has a lower endurance compared to SLC

So between Samsung 840, 120 GB which is a TLC and a Kingston v300 120 GB, which is mlc. Looking at many benchmarks and forums apparently their are a lot of ware issues (Including other issues)with TLC. The 840 is really popular over the Kingston but I was wondering if I should go with the mlc. I.. Je weniger auf eine Zelle geschrieben wird, desto länger ist ihre Lebensdauer. Der Lese-/Schreibzyklus von TLC ist kurz, mit nur 1.000 bis 3.000 Zyklen pro Einheit, während die Lese-/Schreib-Lebensdauer von MLC länger ist, mit etwa 3.000 bis 5.000 Zyklen pro Einheit

At this writing, TLCs are the most common type of SSD. They pack more capacity than SLC and MLC drives into a smaller package, but sacrifice relative speed, reliability, and durability. That doesn't mean TLC drives are bad. In fact, they're probably your best bet right now—especially if you're hunting for a deal Memoriile MLC sunt mai fiabile, avand durata de viata mai mare fata de memoriile TLC; Memoriile MLC au un consum mai redus de energie fata de memoriile TLC; Memoriile MLC sunt destinate segmentului consumer, in timp ce memoriile TLC sunt segmentului lower-end consumer Alors, chaque cellule de la MLC augmente au maximum 32 Go, tandis que chaque cellule de la TLC augmente au moins 48 Go. Vitesse de lecture et d'écriture du SSD QLC n'est pas lente D'après les informations du SSD QLC offertes par certains fabricants de marques célèbres, on trouve que la vitesse de lecture et d'écriture est plus rapide que vous la pensez

MLC or TLC memory type in SSD drives: what are the difference

MLC - Multi-Level Cell, 2 bits per cell; TLC - Triple Level Cell, 3 bits per cell; QLC - Quad Level Cells, 4 bits per cell; Why is this? By storing more bits in each cell, the NAND chip can hold more data. This allows us to have bigger SSD's. But remember! There are drawbacks! Let's explore each type of NAND chip
MLC vs TLC and SLC in Usb, SSD and other solid-state storage products, flash memory chip wafers are the core, which is related to product cost, life and speed. There are three main types of flash memory chip particles: SLC, MLC, and TLC
Multi Level Cell - MLC. Dupa cum am zis mai sus, MLC stocheaza 2 biti de date pe o celula. Astfel avem un cost mai mic de productie si implicit un cost mai mic al SSD-urilor ce au memorie MLC vs cele ce au SLC. De asemenea, se gasesc in capacitati mai mari, la preturi decente
В свою очередь, TLC тоже относится к типу MLC, отличие заключается в том, что вместо 2 бит информации может хранить 3 бита информации в ячейке памяти (вместо TLC вы можете встретить обозначение 3-bit MLC или MLC-3)
SLC, MLC, TLC, and QLC: These are Memory Cells. In HDDs, tracks are the building blocks of the storage memory. In SSDs, that same functionality is provided by cells. A cell is essentially a Gate Circuit. How much memory each cell can store depends on the type of cells an SSD uses. The most popular ones are SLC, MLC, TLC, and QLC

SLC, MLC, TLC - Mit jelent? - PROHARDVER! tudástár cik

La sigla significa Multi-Level Cell, y es utilizada para describir a las memorias NAND flash que tengan la capacidad de almacenar 2 bits de datos por celda. TLC es una evolución de esta tecnología, y permite almacenar 3 bits de datos por celda , mientras que el Single-Level Cell (SLC) almacena solo un bit de datos por cada celda
d is going to call TLC or QLC a MLC with x-bit
MLC doubles the amount of bits per cell, whereas TLC triples, and this opens up for higher capacity SSDs. There are particular reasons why manufactures build flash memory with a single bit per cell like SLC

What's the difference between SLC, MLC and TLC? - Answers

Multi-level cell (MLC) flash is most common and is often found in premium consumer-grade products such as cameras, phones, USB memory sticks and portable music players but is also present in some enterprise storage products. Three-level cell (TLC) flash is a newer, slower and lower-cost technology dedicated for consumer-grade users also
這樣一來，單個mlc存儲晶片上可以增加最高32gb的存儲空間，而單個tlc存儲晶片可增加48gb。不過QLC固態硬碟的壽命有限，仍然比不上SLC和MLC存儲晶片。在此，建議大家儘量不要把QLC固態硬碟作為下載檔案資訊存儲碟，作為資料倉庫則會更加合適�
Aufgrund dem Standard der Leiterplatte einer SSD verdoppelt SSD mit MLC-Speicher die Kapazität für den gleichen physischen Raum und verdreifacht SSD mit TLC-Speicher. Um die Kapazität zu erhöhen und die Kosten pro Bit zu reduzieren ist der Trend und Ziel der Entwicklung von SSD
Sowohl TLC als auch MLC sind Speicherchips, bei denen mehr als ein Informationsbit in eine Zelle geschrieben wird. Beide Technologien sind für Festkörpermedien konzipiert. Tatsächlich ist dieser Unterschied illusorisch, da die MLC eine Zelle mit mehreren Ebenen und die TLC eine Zelle mit drei Ebenen ist
ing

MLC è meno costoso rispetto a SLC , ma offre prestazioni ed un'affidabilità migliori rispetto al TLC, in quanto viene impiegato per SSD di uso quotidiano e per il gaming. TLC Tutto questo però è valido a parità di data di costruzione del disco ssd, perchè con il passare del tempo, come sempre, la tecnologia si evolve e tende a migliorare The industry has slowly reached parity between TLC and MLC NAND devices for the mainstream and gaming segments, with VNAND getting a steady push through Samsung's channels. As for how MLC and TLC. 3D MLC>MLC>3D TLC>TLC Ułożyłem od najlepszych do najgorszych. Radzę kupować 3D TLC jeśli komputer służy do pracy biurowej a MLC jeśli do gier, ściągania itp. 3D MLC jest za drogie a TLC nie jest trwałe. Pozdrawiam. Odpowied

Video: Difference between SLC, MLC, TLC and 3D NAND in USB flash

TLC vs MLC for SSD Tom's Hardware Foru

Table 1-1 Comparison of SLC, MLC and TLC parameters . With the development of flash memory it goes through process from 2D to 3D with one goal: per unit(mm2) of silicon wafer is designed and produced with more bits, in order to have a lower GB cost and price. It is both aim of medium manufacturers and appeal of consumers, in addition, it is a.
Und das TLC SSD ist auch billiger als SLC oder MLC. Wenn Ihr Budget begrenzt ist, Sie aber auch die größere Kapazität kaufen möchten, wäre das QLC- oder TLC-SSD eine gute Wahl. Darüber hinaus ist die Leistung des QLC zwar langsamer als die von TLC SSD, aber auch schneller als die von alten HDD, wenn auch mit 3D-NAND
So, as for the endurance of QLC vs TLC, the TLC SSD would be better than QLC SSD. However, the durability of TLC is still lower than the MLC and SLC. QLC vs TLC SSD: Storage Size. Apart from the performance and endurance of QLC vs TLC SSD, the storage size would be another essential factor

MLC vs. TLC: Welche sollten Sie für Ihren PC wählen

Review differences between SLC, MLC, TLC and QLC. Resolution. NAND flash cells are categorized depending on the number of bits they can store: Single-Level Cell (SLC) can store one bit per cell. Multi-Level Cell (MLC) can store two bits per cell SLC vs MLC vs TLC NAND Flash. By Pedro Hernandez. June 29, 2018. The underlying NAND architecture of SSDs can vary from model to model and this article will explore those differences. Each of the various types of NAND flash - SLC, MLC, eMLC and TLC - have different characteristics that influence which is best for your business storage So far, you probably have some ideas on the difference among QLC, SLC, MLC and TLC NAND flash. And we can get a direct comparison from the following chart. NAND Flash. SLC - Single Level Cell. MLC - Multi-Level Cell. TLC - Triple Level Cell. QLC - Quad Level Cell. Read/Write Cycles: 90,000-100,000: 8,000-10,000

Multi-Layer SSDs: What Are SLC, MLC, TLC, QLC, and PLC

MLC, while perhaps not best at anything (at least not in our simplistic illustration above), offers an excellent balance between the strengths of SLC and TLC. Meanwhile, TLC, with its sparse number of P/E cycles, is unqualified for write-heavy workloads, for example in a surveillance setup (where SLC would be more suitable)
2D MLC vs. 3D TLC Why not all NAND flash TLC is the same when it comes to 3D storage One way to measure the drop-in price of flash memory is to regularly visit exhibitions. Back in the early 2000s, when USB flash drives (Figure 1) were new, novel, and capable o
ant SSD technology. QLC NAN

TLC has 7 readpoints between its voltage levels, MLC has three, and SLC has one. More readpoints means more space for data, but greater granularity required at the electrical level for voltage checks choosing m8pe over sn750 is dumb.it's something a novice would do after googling tlc vs mlc,but when it comes from a person with experience it's just dumb.don't know how to spell it clreaer so that you can understand it.please don't confuse the OP with your promoting

MLC vs TLC vs SLC vs QLC - Tot ce trebuie sa stii

The purpose of this playbook is to provide an overview on the difference of NAND flash types for SLC, MLC, & TLC comparison and also Advantech's Ultra MLC 3. What's NAND Flash Memory 3 NAND flash memory is built up of many cells that hold bits, and those bits are either turned on or off through an electric charge Choosing the Right SSD - SLC vs MLC vs TLC SLC - Single Level Cells . Single Level Cells or SLC SSDs store only one bit per cell making them the fastest SSDs available today. They also have a longer life than MLC and TLC SSDs because of fewer reads and writes per cell Density Difference Between SLC, MLC, and TLC NAND Flash Memory. MLC and TLC work the same way but instead of dividing the cell in two, we divide further. MLC (Multi Level Cell) divides the cell into 4 parts, giving us 4 possible values. TLC (Triple Level Cell) divides the cell into 8 parts, giving us 8 possible values MLC bedeutet Multi Level Cell und besagt, dass mehr als ein Bit pro Zelle gespeichert werden. Üblicherweise sind dies zwei Bit pro Zelle, da mittlerweile auch TLC (Triple Level Cell) entwickelt wurde, mit drei Bit pro Speicherzelle. Von diesen drei Arten haben Single Level Cells die höchste Lese- und Schreibgeschwindigkeit In electronics, a multi-level cell (MLC) is a memory cell capable of storing more than a single bit of information, compared to a single-level cell (SLC) which can store only one bit per memory cell.A memory cell typically consists of a single floating gate MOSFET (metal-oxide-semiconductor field-effect transistor), thus multi-level cells reduce the number of MOSFETs required to store the same.

MLC sau TLC? Care este diferenta dintre ele si cum sa

Strictly speaking there is a performance penalty the more bits per cell. SLC is faster than MLC, TLC, and QLC. QLC tends to take a bigger hit in write speeds compared to empty tend to take a huge loss. TLC drives also tend to have SLC caches, but the loss in performance is not that big. For a consumer, QLC might be decent for a Steam drive MLC sau TLC? Care este diferenta dintre ele si cum sa alegi varianta potrivita? Daca esti in cautarea unui SSD pentru Laptop sau pentru Desktop sigur ai remarcat ca unele SSD-uri au tip de memorie MLC, iar altele au tip de memorie TLC.Ei bine, este normal sa iti pui intrebari in ceea ce priveste diferntea dintre cele doua si care este varianta mai buna sau mai puternica MLC. TLC. SLC only has two program states, 0 and 1. Hence either a high or low voltage is required. When the amount of bits goes up, you need more voltage stages. With MLC, there are four.

3D TLC NAND being 2 million hours MBTF vs MLC NAND being 1.5 million hours MBTF mean? TLC is by definition less reliable than MLC. 3D TLC NAND is better than TLC but is the claim than 3D TLC is more reliable than MLC exaggerated in the example of those two drives... How does ADATA's 3D TLC NAND compare to Toshiba's MLC NAND in real life MLC flash stores two bits of data per cell, which allows it to have greater capacities. TLC (triple-level cell) flash stores three bits of data per cell, so it tends to have the highest capacities, but it is also the least reliable option. 3D NAND vs. MLC. 3D NAND is a new, powerful entry into the SSD conversation

QVO, MLC, TLC, MLC in SSD terms can be confusing, even if they are just standards! The 860 QVO series at Samsung, which uses what Samsung calls 4-bit MLC, what we commonly refer to as QLC, or Quad-Level Cell Flash. The technology stores a fourth data bit per cell above the DC memory, but doubles the number to 16 TLC vs. MLC. Zatímco dříve jsme u SSD sledovali výrobce řadičů i samotných paměťových čipů, nyní se můžeme dívat ryze na jejich parametry. Ať už se jedná o SandForce, Marvell nebo Silicon Motion, většina z nich nabízí srovnatelnou technologii s podobnými výsledky

QLC és TLC NAND a szorítóban: melyik SSD éri meg jobban? - Egymásnak eresztettük az ADATA és a Patriot legolcsóbb, 240 GB-os, 2,5 hüvelykes megoldását. -- adattároló, adata, patriot, teszt MLC (Multi Level Cell) : Ici, chaque cellule peut contenir jusqu'à deux bits. C'est un peu moins performant que le SLC, mais c'est aussi un peu moins cher. Nous restons ici dans quelque chose de très qualitatif malgré tout. TLC (Triple Level Cell) : Vous l'aurez compris, la chanson est la même : moins performant mais aussi moins cher O nome já diz tudo: chips TLC NAND armazenam três bits por célula. Os estados possíveis são: 111, 110, 101, 100, 011, 010, 001 e 000. SSD da Toshiba (formato M.2) com TLC NAND. A grande e óbvia vantagem das memórias TLC NAND é que elas podem armazenar mais dados que os tipos SLC e MLC sem, no entanto, haver aumento significativo de custos MLC raddoppia la quantità di bit per cella, mentre TLC triplica e questo si apre per SSD di capacità superiore. Ora, i produttori stanno cercando di ridurre al minimo i costi di produzione di archiviazione di ogni bit di NAND flash e migliorare la capacità allo stesso tempo, così, recentemente, siamo arrivati ai QLC che quadruplicano i bit. Jak sama nazwa wskazuje, dyski SSD TLC zapisują trzy bity w każdej komórce. W chwili pisania tego tekstu TLC są najpopularniejszym typem dysków SSD. Pakują większą pojemność niż dyski SLC i MLC w mniejszym pakiecie, ale poświęcają względną szybkość, niezawodność i trwałość. To nie znaczy, że dyski TLC są złe

Inoltre, mentre una SLC avrà due stati di tensione (0 e 1), MLC ne avrà quattro (00, 01, 10, 11) e TLC otto (000, 001, 010, 100, 011, 101, 110, 111). Con più livelli di tensione da controllare, per l'accesso alle letture casuali ci vorrà più tempo; per le MLC si impiegherà il doppio rispetto alle SLC e per le TLC il doppio rispetto alle. TLC(Triple Level Cell)儲存三位元資料於每個記憶單元，使其在同容量的NAND 快閃裝置內儲存三倍的資料量。同時，TLC較上述的SLC和MLC提供最低的製造成本。然而，TLC相較MLC多儲存一位元於每個單元，使得TLC具有最大的功耗及最低的續航力�

従来のssdでは、slc、mlc、tlcチップ構造を採用していたが、tlcは非常に一般的になってきています。急速な発展を遂げ、ユーザーの要望はますます高まっており、現在の新型フラッシュチップqlc（4層ユニット）の容量はより大きく、値段がより安くなっています詳しくはqlcの説明を参照して. NAND multi-level cell (MLC) menyimpan beberapa bit per sel, meskipun istilah MLC pada dasarnya merujuk pada 2 bit per sel. MLC memiliki kepadatan data yang lebih tinggi daripada SLC sehingga diproduksi dalam kapasitas yang lebih besar. MLC memiliki kombinasi yang baik dalam hal harga, performa, dan ketahanan SLC, MLC, TLC y QLC: diferencias entre memorias NAND Flash para SSD. Generalmente, es verdad que cualquier usuario que sustituya su disco duro mecánico por un SSD, va a ver un incremento más que apreciable en el rendimiento de su sistema. Sin embargo, no todas las memorias NAND Flash que hay en el mercado son iguales

รู้จักประเภทของ ssd 4 แบบ ได้แก่ slc, mlc, tlc และ qlc ที่ส่งผลต่อพัฒนาการความจุ ราคาของ ssd และคุณภาพในการเขียนอ่านของ ss Technologie SSD - SLC, TLC i MLC - vyšší kapacita za méně peněz má i svou stinnou stránku. 29. 1. 2014 08:00 Rubrika: Technologie Autor: Jakub Pavlis Solid State Disky jsou sice stále drahé a nevytlačily klasické HDD z trhu, ale co není, může být MLC significa celdas de múltiples niveles, en su traducción del inglés, con lo que en realidad, tanto TLC como QLC son MLC (más de 1 bit por celda). Por eso hay que ir con cuidado, ya que algunos fabricantes indican que su SSD usa memorias MLC de 3 bits NOVIDIA -0.5GB. [SSD] TLC vs MLC for gaming. With games getting bigger and bigger and require more data to be caches on RAM, it literally takes up a several minutes for some games to start. (BF4, KF2, etc...) So I been thinking to buy SSD for games. I bought my first and only SSD for system (Crucial M4 64GB), which is MLC and still going strong

Tout ce que vous devez savoir sur la SLC/MLC/TLC/QLC pour

Con MLC y TLC, las celdas de memoria se apilan a 32 niveles de profundidad para matrices de MLC de hasta 256 gigabits y matrices TLC de 384 gigabits. Con 3D NAND , se espera que en poco tiempo estos avances conduzcan a SSD del tamaño de una pastilla de goma con más de 3,5 TB de almacenamiento, o unidades SSD de 2,5 pulgadas con capacidad para. Memorias SLC, MLC, TLC y QLC. La memoria flash NAND está formada por muchas celdas que contienen bits, y esos bits se activan o desactivan a través de una carga eléctrica. La forma en que se organizan esas celdas de encendido / apagado representa los datos almacenados en el SSD. El número de bits en esas celdas también determina la. Pokud koukáš po EVO 850, tak Samsung už jede na TLC dávno. Stejně jako ostatní výrobci. MLC je na ústupu je je doménou dražších SSD (třeba Crucial MX200 je ještě MLC, ale novější MX300 už je také TLC) Und das TLC SSD ist auch billiger als SLC oder MLC. Wenn Ihr Budget begrenzt ist, Sie aber auch die größere Kapazität kaufen möchten, wäre das QLC- oder TLC-SSD eine gute Wahl

QLC vs TLC vs MLC vs SLC - buying an SSD - Tech jack of

Et la phrase de fin du dicow est toujours d'actualité, à savoir que la MLC est toujours plus rentable que la TLC même 3D ou V-Nand. Et ça ne sert à rien de comparer vos durée de vie restante. 플래시 메모리는 셀이라는 공간에 데이터를 저장하게 됩니다. 먼저 SLC (Single level cell)는 하나의 셀에 1bit의 데이터인 0과 1, 2개만 쓸 수 있습니다. MLC (Multi level cell)은 하나의 셀에 2bit의 데이터인 00, 01, 10, 11의 4개를 쓸 수 있습니다. 마지막으로 TLC (Triple level cell. Kali ini kita akan membahas tentang perbedaan SSD tipe SLC MLC dan TLC yang banyak orang tidak tahu ketika menggunakan media penyimpanan SSD karena kebanyakan orang berasumsi jika sudah menggunakan SSD sudah bagus dan cepat. Padahal ada beberapa macam tipe SSD yang patut diketahui karena masing-masing memiliki karakteristik yang berbeda beda

What is the difference between MLC vs TLC and SLC flash

Los SLC eran muy fiables (daban pocos errores), los MLC menos y los TLC son, de los tres, los peores, aunque esto se ha tratado de contrarrestar mejorando la tecnología. Junto con la fiabilidad. TLC NAND. Le concept MLC a connu un tel succès que la prochaine étape évidente consiste à utiliser encore plus de bits de données par cellule. 3D TLC NAND Flash utilise trois bits par cellule, pour 8 valeurs binaires possibles, offrant une autre grande amélioration de la capacité / réduction des coûts

MLC vs TLC vs SLC vs QLC - Tot ce trebuie sa sti

西瓜视频搜索为您提供又新又全的tlc简介相关视频内容，支持在线观看。更有海量高清视频、相关直播、用户，满足您的在线观看需求，看tlc简介就上西瓜视频� ssd의 수명 - 메모리 방식(slc, mlc, tlc) 그리고 tbw (0) 2021.08.16: 조립 pc 부품 선택 방법 4 - ssd와 hdd 고르기 (0) 2021.08.12: 조립 pc 부품 선택 방법 3 - 램과 그래픽카드 고르기 (0) 2021.08.10: 조립 pc 부품 선택 방법 2 - cpu와 메인보드 고르기 (0) 2021.08.0 MLC = Multi-Level Cell, that is, 2bit / cell, general speed and average life, average price, about 3000 — 10000 erase and write life TLC = Triple-Level Cell, which is 3bit / cell SLC vs MLC vs TLC vs QLC. Flash is a non-volatile memory. Flash memory stores information in an array of floating gate transistors, or cells. NAND memory is a type of Flash memory where all operations are performed per block, similarly to Hard Disk Drives (HDD) TLC vs MLC vs SLC, Performance, benchmarks and reliability. Because very few people need a drive to last longer than 5-10 years SLC has not had much development... Performance, Private Memory Limit and Virtual Memory Limi

Mlc, Tlc Или Qlc — Что Лучше Для Ssd? (А Также О V-nand

So guys, im thinking about buying an SSD, but i know very little about the technology...what is TLC and MLC, and wich one is best? Here in Portugal, i can buy an Samsung 840 250GB TLC for 150â‚¬, or an Samsung 840 256GB MLC for about 200â‚¬. For price reasons, i would go with the TLC one, but is. 3.84 MLC vs TLC disks. Currently we have a two tier SC system (TLC in tier 1, and 7k disks in Tier 3). . the tier 1 TLC SSD are all the 3.84TB variety. . If we want to add a few more to tier 1 - would adding the Dell/Compellent 3.84tb MLC be considered the same class as the existing 3.84 TLC ssd's ? or would it create a new tier with the drives. When choosing flash memory, one of the choices you will need to make is between SLC vs. MLC vs. TLC flash. Although these grades of NAND flash storage work on the same principles, the way they save data is different, which makes each one best suited for different kinds of applications Anyone who's tried one will attest, solid state drives (SSDs) sure are great! With faster load times for your favorite apps, higher overall efficiency, This guide outlines the differences between SLC, MLC, and TLC NAND flash, explaining the pros and cons of each, to help readers choose the right SSD when upgradin The strange acronyms — SLC, MLC, TLC, QLC, and PLC — that are explained below provide you with a valuable indication of the type of NAND cells that we can find inside the drive, each with different performance characteristics. SSDs: SLC vs MLC vs TLC vs QLC vs PLC SLC: Single-Level Cell. The simplest cell type is SLC

Difference Between SLC, MLC, TLC & QLC NAND SSDs: Which

A TLC nem az MLC bővítése, adatainak sűrítése. Nem egy MLC chipeken használható kvázi tömörítési eljárás, mint azt sejtetni engeded. A TLC az egy újabb chip megoldás a nagyobb adatsűrűség elérésére. Csakúgy mint az MLC volt az SLC után 一般而言，英特尔美光造出来一个闪存芯片，mlc，32g，那么可以让他在slc模式下工作，就是一片16g slc。同理，三星造了一片多层tlc，那么他可以是tlc，比如你见到的cm871，850EVO。可以是mlc，比如950pro。可以是slc，比如各个SSD中用来做slc模拟的那部分� This was in no way trying to suggest that QLC or PLC make platter drives or TLC/MLC/SLC obsolete. Good Enough performance on a single drive is my point. As for cost VS TLC, it depends on the capacity I think. For a single-drive machine solution, I would say 2TB is the minimum these days There is different binnings within each Nand type e.g. there is good TLC nand and there is junk TLC nand. Also there is the size of the manufacturing node (smaller means less endurance and performance). Also 3d nand vs planar nand. Then there is dram vs dramless, which affects endurance of mapping tables

Samsung 850 Pro / 850 EVO versus 840 EVO and 840 SSD Series

Planar NAND flash is dead: All hail our new 3D NAND

Samsung SSD 840 Specs Revealed - TLC Memory To Equal

Samsung 850 EVO vs Samsung 860 EVO ¿Cuál es mejor?

Evaluating MLC, TLC and V-NAND SSDs Get your free guide to evaluating MLC, TLC and V-NAND SSDs As widespread mobile connectivity has proliferated, so have the formats, volumes and management needs of all the data it produces It indicates the ratio between the file size to be written and the data volume actually written to the memory. Here this also depends on the internal block size of the flash memory chip. Planar memory chips are produced with blocks of between 4MB and 8MB. IM Flash specifies 16MB for its 32-layer series for MLC products and 28MB for TLC products mlc와 tlc는 저장방식에 의한 구분이다. 플래시 메모리는 셀에 데이터를 저장하게 되는데, 하나의 셀에 저장할 수 있는 비트의 수가 종류마다 다르다. slc의 경우 셀 하나에 1비트의 데이터가 저장되며, mlc는 셀 하나당 2비트가, tlc는 셀 하나당 3비트가 저장된다