TEAMGROUP Inc via Amazon has
2TB Team Group MP44L M.2 PCIe 4.0 NVMe 1.4 Internal Solid State Drive (TM8FPK002T0C101) on sale for $
71.99.
Shipping is free.
Thanks to Deal Hunter
SehoneyDP for finding this deal.
Product Details (
specs pdf):
- M.2 2280 form factor
- SLC Caching
- PCIe Gen 4.0 x4 NVMe 1.4 interface
- Phison E21T Controller
- 176-Layer Micron TLC Flash
- Max Sequential Read/Write: Up to 4800/4400 MBps
- 4KB Random Read/Write: Up to 525,000/550,000 IOPS
- Terabytes Written (TBW): 1200TB
- MTBF: 1,500,000 hours
Top Comments
SLC = 1 bit per cell; enterprise grade (100,000 cycles) and therefore very fast but very expensive for the amount of storage
MLC = 2 bits per cell; still very fast but offered in larger capacities and cheaper than SLC, though somewhat less reliable (10,000 cycles); early consumer SSDs were MLC and even most power users would be hard pressed to wear out one of these drives without exposing it to dirty voltage and/or constant read/writes such as 24/7 surveillance recording
TLC = 3 bits per cell; dominant consumer drive; less reliable (3,000 cycles) and slower than SLC or MLC, but offers even larger capacities at a much more reasonable price point
QLC = 4 bits per cell; slowest and cheapest of consumer grade drives; reliability is significantly lower than other technologies (1,000 cycles), however, this is somewhat offset with the use of 3D architecture and the larger capacities as you won't really start "wearing" the drive until you fill it over 50%
3D NAND - bits can be stored on a cell both horizontally and vertically which decreases their sensitivity to voltage differences and decreases errors, while also allowing for higher capacities and lower power consumption.
For reference, a "cycle" is a "program/erase" cycle, which means data is written to a cell, the cell is erased, and then rewritten.
To answer the poster's question: DRAM is a separate chip built into the SSD which functions sort of like the RAM in your PC. It stores data temporarily to increase access speeds to it, but then that data is lost when the power is turned off.
MLC/TLC/QLC drives with "SLC Cache" mean that there is a portion of the drive's storage that is ear-marked to function like SLC up to a point; frequently accessed data is written to this space to increase access speeds, but as the drive becomes full, this space stops functioning as a cache and reverts to normal MLC/TLC/QLC storage. The benefit to this method is that the data remains in storage on these cells even after power is removed. The downside is that this cache disappears as the drive becomes full, which isn't a problem for DRAM.
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46 Comments
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Rank ordered by best:
SLC
MLC
TLC
QLC
Our community has rated this post as helpful. If you agree, why not thank
Rank ordered by best:
SLC
MLC
TLC
QLC
SLC = 1 bit per cell; enterprise grade (100,000 cycles) and therefore very fast but very expensive for the amount of storage
MLC = 2 bits per cell; still very fast but offered in larger capacities and cheaper than SLC, though somewhat less reliable (10,000 cycles); early consumer SSDs were MLC and even most power users would be hard pressed to wear out one of these drives without exposing it to dirty voltage and/or constant read/writes such as 24/7 surveillance recording
TLC = 3 bits per cell; dominant consumer drive; less reliable (3,000 cycles) and slower than SLC or MLC, but offers even larger capacities at a much more reasonable price point
QLC = 4 bits per cell; slowest and cheapest of consumer grade drives; reliability is significantly lower than other technologies (1,000 cycles), however, this is somewhat offset with the use of 3D architecture and the larger capacities as you won't really start "wearing" the drive until you fill it over 50%
3D NAND - bits can be stored on a cell both horizontally and vertically which decreases their sensitivity to voltage differences and decreases errors, while also allowing for higher capacities and lower power consumption.
For reference, a "cycle" is a "program/erase" cycle, which means data is written to a cell, the cell is erased, and then rewritten.
To answer the poster's question: DRAM is a separate chip built into the SSD which functions sort of like the RAM in your PC. It stores data temporarily to increase access speeds to it, but then that data is lost when the power is turned off.
MLC/TLC/QLC drives with "SLC Cache" mean that there is a portion of the drive's storage that is ear-marked to function like SLC up to a point; frequently accessed data is written to this space to increase access speeds, but as the drive becomes full, this space stops functioning as a cache and reverts to normal MLC/TLC/QLC storage. The benefit to this method is that the data remains in storage on these cells even after power is removed. The downside is that this cache disappears as the drive becomes full, which isn't a problem for DRAM.
it has SLC which are super fast writes and the most reliable cell technology, equaling 4400ish MBs writes and 1200 TBW on 2TB. and its gen4
btw, who can tell a difference between 3000 and 6000 MB writes?
the only downside is no DRAM
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Garbage-ish SATA drives are out there for $140.
They also do the same type of thing when part of a group of flash gets erased. Rewrite someplace else so that things are ready to be written to later when needed. Managing the flash on an SSD is a really complicated process.
Rank ordered by best:
SLC
MLC
TLC
QLC
Sign up for a Slickdeals account to remove this ad.
SLC = 1 bit per cell; enterprise grade (100,000 cycles) and therefore very fast but very expensive for the amount of storage
MLC = 2 bits per cell; still very fast but offered in larger capacities and cheaper than SLC, though somewhat less reliable (10,000 cycles); early consumer SSDs were MLC and even most power users would be hard pressed to wear out one of these drives without exposing it to dirty voltage and/or constant read/writes such as 24/7 surveillance recording
TLC = 3 bits per cell; dominant consumer drive; less reliable (3,000 cycles) and slower than SLC or MLC, but offers even larger capacities at a much more reasonable price point
QLC = 4 bits per cell; slowest and cheapest of consumer grade drives; reliability is significantly lower than other technologies (1,000 cycles), however, this is somewhat offset with the use of 3D architecture and the larger capacities as you won't really start "wearing" the drive until you fill it over 50%
3D NAND - bits can be stored on a cell both horizontally and vertically which decreases their sensitivity to voltage differences and decreases errors, while also allowing for higher capacities and lower power consumption.
For reference, a "cycle" is a "program/erase" cycle, which means data is written to a cell, the cell is erased, and then rewritten.
To answer the poster's question: DRAM is a separate chip built into the SSD which functions sort of like the RAM in your PC. It stores data temporarily to increase access speeds to it, but then that data is lost when the power is turned off.
MLC/TLC/QLC drives with "SLC Cache" mean that there is a portion of the drive's storage that is ear-marked to function like SLC up to a point; frequently accessed data is written to this space to increase access speeds, but as the drive becomes full, this space stops functioning as a cache and reverts to normal MLC/TLC/QLC storage. The benefit to this method is that the data remains in storage on these cells even after power is removed. The downside is that this cache disappears as the drive becomes full, which isn't a problem for DRAM.
Join The Conversation
Share your experience with the Slickdeals community
Share information with the community. Please follow our Community Guidelines and be kind!