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Comparison Crucial P1 M.2 CT500P1SSD8 500 GB vs Intel 660p Series SSDPEKNW512G8X1 512 GB

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Crucial P1 M.2 CT500P1SSD8 500 GB
Intel 660p Series SSDPEKNW512G8X1 512 GB
Crucial P1 M.2 CT500P1SSD8 500 GBIntel 660p Series SSDPEKNW512G8X1 512 GB
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Main
QLC - Quad-Level Cell, storage of four bits of information in one cell. Unlike TLC, which contain three bits of information per cell. Due to this, the density of data storage increased by 33%.
Placementinternalinternal
Size500 GB512 GB
Form factorM.2
M.2 /2280/
M.2 interfacePCI-E 3.0 4xPCI-E 3.0 4x
Technical specs
ControllerSilicon Motion SM2263
Memory type3D QLC NAND3D QLC NAND
NVMe
 /1.3/
Write speed950 MB/s1000 MB/s
Read speed1900 MB/s1500 MB/s
Shockproof1500 G1000 G
MTBF1.5 m h1.6 m h
Write IOPS220 K220 K
Read IOPS90 K90 K
TBW100 TB100 TB
DWPD0.1 times/day0.1 times/day
Manufacturer's warranty5 years5 years
General
TRIM
Data encryption
Size22x80 mm22x80 mm
Weight10 g
Added to E-Catalogoctober 2018august 2018

Size

Nominal drive capacity. This parameter directly determines not only the amount of data that can fit on the device, but also its cost; many SSD models even come in several versions that differ in capacity. Therefore, when choosing, it is worth considering the real needs and features of the application — otherwise you can overpay a significant amount for volumes that are not needed in fact.

In terms of actual values, a capacity of 120 GB or less is considered small these days. This can also be equated with a 240 GB SSD. Average values are already considered 500 GB, increased — 1 TB(in the range of which SSDs fall 400 and 800 GB). And the most capacious modern SSDs can accommodate 2 TB, 4 TB and even more.

Controller

Model of the controller installed in the SSD.

The controller is a control circuit, which, in fact, ensures the exchange of information between the memory cells and the computer to which the drive is connected. The capabilities of a particular SSD module (in particular, read and write speed) largely depend on this particular scheme. Knowing the controller model, you can find detailed data on it and evaluate the capabilities of the drive. For simple everyday use, this information is usually not needed, but for professionals and enthusiasts (modders, overclockers) it can come in handy.

Nowadays, high-end controllers are produced mainly under such brands: InnoGrit, Maxio, Phison, Realtek, Silicon Motion, Samsung.

Write speed

The highest speed in write mode characterizes the speed with which the module can receive information from a connected computer (or other external device). This speed is limited both by the connection interface (see "Connector"), and by the characteristics of the device of the SSD itself.

Read speed

The highest data exchange rate with a computer (or other external device) that the drive can provide in read mode; in other words — the highest speed of information output from the drive to an external device. This speed is limited both by the connection interface (see "Connector"), and by the characteristics of the device of the SSD itself. Its values can vary from 100 – 500 MB / s in the slowest models to 3 Gb / s and higher in the most advanced ones.

Shockproof

A parameter that determines the resistance of the drive to drops and shocks during operation. Measured in G — units of overload, 1 G corresponds to the usual force of gravity. The higher the G number, the more resistant the device is to various kinds of shocks and the less likely it is to damage the data in it, say, in the event of a fall. This parameter is especially important for external drives (see Type).

MTBF

The drive's time between failures is the time that it is able to continuously work without failures and malfunctions; in other words — the operating time, after which there is a high probability of failures, and even failure of the module.

Usually, the characteristics indicate some average time derived from the results of conditional testing. Therefore, the actual value of this parameter may differ from the claimed one in one direction or another; however, in fact, this moment is not particularly significant. The fact is that for modern SSDs, the MTBF is estimated at millions of hours, and 1 million hours corresponds to more than 110 years — while we are talking about pure operating time. So, from a practical point of view, the durability of a drive is often limited by more specific parameters — TBW and DPWD (see below); and the manufacturer's warranty generally does not exceed several years. However, data on the MTBF in hours can also be useful when choosing: other things being equal, more time means more reliability and durability of the SSD as a whole.

Data encryption

Data encryption ensures the protection of storing information on a disk: only someone who knows the password can access encrypted information. The encryption module is an integral part of the drive and does not depend on the computer to which it is connected. The ability to encrypt data is critical if you plan to write confidential information to discs; this feature is especially useful for portable drives and laptop drives, which are more at risk of theft than fixed systems and their components.
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