MLC (multi-level cell)
E811073
MLC (multi-level cell) is a type of flash memory that stores two bits of data per cell, offering higher density than single-level cell (SLC) memory at the cost of reduced speed and endurance.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
flash memory technology
ⓘ
non-volatile memory cell type ⓘ |
| category | multi-bit-per-cell flash ⓘ |
| comparedTo |
QLC (quad-level cell)
ⓘ
SLC (single-level cell) NERFINISHED ⓘ TLC (triple-level cell) ⓘ |
| contrastedWith |
quad-level cell (QLC)
ⓘ
single-level cell (SLC) ⓘ triple-level cell (TLC) ⓘ |
| dataRetention | lower than SLC on average ⓘ |
| errorRate | higher raw bit error rate than SLC ⓘ |
| fullName | multi-level cell ⓘ |
| hasAdvantage |
higher storage density
ⓘ
lower cost per bit than SLC ⓘ |
| hasDisadvantage |
more complex error management
ⓘ
reduced endurance ⓘ slower write performance ⓘ |
| hasHigherDensityThan | SLC (single-level cell) NERFINISHED ⓘ |
| hasLowerDensityThan |
QLC (quad-level cell)
ⓘ
TLC (triple-level cell) NERFINISHED ⓘ |
| hasLowerEnduranceThan | SLC (single-level cell) ⓘ |
| hasLowerWriteSpeedThan | SLC (single-level cell) ⓘ |
| hasMoreEnduranceThan |
QLC (quad-level cell)
NERFINISHED
ⓘ
TLC (triple-level cell) NERFINISHED ⓘ |
| implementedIn |
2D NAND
ⓘ
3D NAND ⓘ |
| introducedAs | cost-reduction step from SLC ⓘ |
| lessSuitedFor | high-endurance enterprise workloads ⓘ |
| marketPosition | mid-range between SLC and TLC ⓘ |
| operatesIn | NAND flash arrays ⓘ |
| requires |
advanced error correction codes
ⓘ
more precise voltage level control ⓘ precise threshold voltage distribution control ⓘ wear-leveling algorithms ⓘ |
| storesBitsPerCell | 2 ⓘ |
| storesMultipleVoltageLevels | true ⓘ |
| targetUseCases |
consumer SSDs
ⓘ
mainstream storage devices ⓘ |
| tradeOff |
cost per bit versus performance
ⓘ
density versus endurance ⓘ |
| typicalProgramEraseCycles | lower than SLC GENERATED ⓘ |
| usedFor |
mass storage
ⓘ
read-intensive workloads more than write-intensive workloads ⓘ |
| usedIn |
NAND flash memory
NERFINISHED
ⓘ
USB flash drives NERFINISHED ⓘ memory cards ⓘ solid-state drives ⓘ |
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.