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Comparison Kingston A400 SA400S37/480G 480 GB vs HyperX Savage SSD SHSS37A/480G 480 GB

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Kingston A400 SA400S37/480G 480 GB
HyperX Savage SSD SHSS37A/480G 480 GB
Kingston A400 SA400S37/480G 480 GBHyperX Savage SSD SHSS37A/480G 480 GB
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Main
High reading speed. Full compatibility with MacBook.
Placementinternalinternal
Size480 GB480 GB
Form factor2.5"2.5"
InterfaceSATA 3SATA 3
Technical specs
ControllerPhison PS3111-S11Phison PS3110-S10
Memory type3D NANDMLC
Write speed450 MB/s530 MB/s
Read speed500 MB/s560 MB/s
Shockproof1500 G20 G
MTBF1 m h1 m h
Write IOPS35 K88 K
Read IOPS90 K100 K
TBW160 TB416 TB
DWPD0.3 times/day0.8 times/day
Manufacturer's warranty3 years3 years
General
TRIM
Size100x70x7 mm70х100х7 mm
Weight41 g96 g
Added to E-Catalogjanuary 2017april 2015
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Kingston Technology A400 480 GB 2.5" Serial ATA III TLC SA400S37/480G

Hard driveSSD capacity480 GBMemory typeTLCData transmissionRead speed500 MB/sWrite speed450 MB/sData transfer rate6 Gbit/sEnd... moreuranceMean time between failures (MTBF)1000000 hFeaturesInterfaceSerial ATA IIIComponent forPC/LaptopTBW rating160SSD capacity480 GBRead speed500 MB/sWrite speed450 MB/sProtection featuresShock resistant, Vibration proofMemory typeTLCMean time between failures (MTBF)1000000 hData transfer rate6 Gbit/sSSD form factor2.5"Harmonized System (HS) code84717070PowerPower con
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£37.99

480GB Kingston A400 2.5" SATA III Solid State Drive SA400S37/480G

Kingston’s A400 solid-state drive dramatically improves the responsiveness of your existing system with incredible boot, load... moreing and transfer times compared to mechanical hard drives. Powered by a latest-gen controller for read and write speeds of up to 500MB/s and 450MB/s, this SSD is 10x faster than a traditional hard drive for higher performance, ultra-responsive multi-tasking and an overall faster system. Also more reliable and durable than a hard drive, A400 is built with Flash memory. There are no moving parts, making it less likely to fail than a mechanical hard drive. It’s also cooler and quieter, and its shock and vibration resistance makes it ideal for notebooks and other mobile computing devices. A400 is available in multiple capacities from 120GB–480GB to give you all the space you need for applications, videos, photos and other important documents. You can also replace your hard drive or a smaller SSD with a drive big enough to hold all your files.
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Kingston Solid State Drive A400 SATA Rev 3.0 2.5Inch7mm 480GB

The Kingston 480GB A400 solid-state drive dramatically improves the responsiveness of your existing system with incredible bo... moreot, loading and transfer times compared to mechanical hard drives. Powered by a latest-gen controller for read and write
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£43.06

Kingston SA400S37/480G

Incredible speeds and uncompromising reliability.Kingston A400 solid-state drives dramatically improve the responsiveness of... moreyour existing system with incredible boot, load and transfer speeds compared to mechanical hard drives.Equipped with the most advanced controller that allows it to achieve read and write speeds of up to 500 MB/s and 450 MB/s, this SSD is ten times faster than a conventional hard drive, allowing it to offer greater performance, enhance multitasking and speed up system operation.In addition to being more reliable and durable than a hard drive, the A400 incorporates Flash memory.It does not include moving parts, so the probability of breakdown is lower than that of a mechanical unit.On the other hand, the absence of these parts allows for quieter operation without temperature buildup.Their resistance to shakes and vibrations makes them ideal for laptops and other mobile computing devices.A400 drives come in multiple dimensions and capacities, from 120 GB to 1.92 TB, to give you all the space you need for applications, videos, photos and other important files.Plus, you can replace your hard drive or smaller SSD with a drive large enough to hold all your files.This SSD is designed for typical laptop and desktop workloads.Not intended for server environments.Based on ´´out-of-the-box´´ performance with a SATA Rev.3.0 motherboard.Speed may vary due to hardware, software, and host computer usage.Some of the specified capacity on a Flash storage device is used for formatting and other functions and is therefore not available for data storage.For this reason, the actual data storage capacity is less than that indicated on the products.Specifications:-SSD disk form factor:2.5´´.-SSD:480 GB.-Interface:Serial ATA III.-Memory type:TLC.-Component for:PC/Laptop.-Reading speed:500 MB/s.-Writing speed:450 MB/s.-Average time between failures:1000000 h.-Data transfer speed:6 Gbit/s.-Protective functions:Shock resistant, Vibration resistant.-Width:100 mm.-Depth:69.9 mm.-Height:7 mm.-Weight:41 g.-Power consumption (write):1.535 W.-Power consumption (average):0.279 W.-Power consumption (standby):0.195 W.-Power consumption (max):0.642 W.-Operating temperature range:0 -70°C.-Storage temperature range:-40 -85 °C.-Operational vibration:2.17 G.-Non-operational vibration:20 G.-Packaging type:Blister.-Product color:Black.
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Kingston Kingston SSDNow A400 480GB SATA III SSD HDKIN-SA400S480G

Kingston's A400 solid-state drive dramatically improves the responsiveness of your existing system with incredible boot, load... moreing and transfer times compared to mechanical hard drives. Powered by a latest gen controller for read and write speeds up to 500MB/s and 450MB/s, this SSD is 10x faster than a traditional hard drive for higher performance, ultra-responsive multi-tasking and an overall faster system. Also more reliable and durable than a hard drive, A400 is available in multiple capacities from 120GB-480GB.Fast start-up, loading and file transfersMore reliable and durable than a hard driveMultiple capacities with space for applications or a hard drive replacementCapacity480GBModelA400InterfaceSATA III 6.0 Gbit/s (backwards compatible with 3.0 Gbit/s and 1.5 Gbit/s)Controller2ChSequential ReadUp to 500MB/sSequential WriteUp to 450MB/s4KB Random ReadN/A4KB Random WriteN/APhysical Drive Size2.5"Dimensions (W x H x D)69.9 x 7 x 100 mmWeight41 gPackagingRetail
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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.

Memory type

The type of the main memory of the drive determines the features of the distribution of information over hardware cells and the physical features of the cells themselves.

MLC. Multi Level Cell memory based on multi-level cells, each of which contains several signal levels. MLC memory cells store 2 bits of information. Has optimum indicators of reliability, power consumption and productivity. Until recently, the technology was popular in entry-level and mid-range SSD modules, now it is gradually being replaced by more advanced options in the manner of TLC or 3D MLC.

TLC. The evolution of MLC technology. One Flash Memory Triple Level Cell can store 3 bits of information. Such a recording density somewhat increases the likelihood of errors compared to MLC, in addition, TLC memory is considered less durable. A positive feature of the nature of this technology is its affordable cost, and various design tricks can be used to improve reliability in SSDs with TLC memory.

3D NAND. In a 3D NAND structure, several layers of memory cells are arranged vertically, and interconnections are organized between them. This provides greater storage capacity without increasing the physical size of the drive and improves memory performance due to shorter connections for each memory cell. In SSD drives, 3D NAND memory can use MLC, TLC or QLC chips - more details...about them are described in the corresponding help paragraphs.

3D MLC NAND. MLC-memory has a multilayer structure — its cells are placed on the board not in one level, but in several "floors". As a result, manufacturers have achieved an increase in storage capacity without a noticeable increase in size. Also, 3D MLC NAND memory is characterized by higher reliability than the original MLC (see the relevant paragraph), at a lower manufacturing cost.

3D TLC NAND. "Three-dimensional" modification of the TLC technology (see the relevant paragraph) with the placement of memory cells on the board in several layers. This arrangement allows you to achieve higher capacity with smaller sizes of the drives themselves. In production, such memory is simpler and cheaper than a single-layer one.

3D QLC NAND. Quad Level Cell flash type with 4 bits of data in each cell. The technology is designed to make SSDs with large volumes widely available and finally retire traditional HDDs. In the 3D QLC NAND configuration, the memory is built according to a “multi-level” scheme with the placement of cells on the board in several layers. "Three-dimensional" structure reduces the cost of production of memory modules and allows you to increase the volume of drives without compromising their weight and size component.

3D XPoint. A fundamentally new type of memory, radically different from traditional NAND. In such drives, memory cells and selectors are located at the intersections of perpendicular rows of conductive tracks. The mechanism for recording information in cells is based on changing the resistance of the material without the use of transistors. 3D XPoint memory is simple and inexpensive to produce, and offers much better speed and durability. The prefix "3D" in the name of the technology says that the cells on the crystal are placed in several layers. The first generation of 3D XPoint received a two-layer structure and was made using a 20-nanometer process technology.

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).

Write IOPS

The IOPS provided by the drive in write mode.

The term IOPS refers to the highest number of I / O operations that an SSD module can perform per second, in this case, when writing data. By this indicator, the speed of the drive is often evaluated; however, this is not always true. Firstly, the IOPS values of different manufacturers can be measured in different ways — by the maximum value, by average, by random write, by sequential write, etc. Secondly, the benefits of high IOPS become noticeable only with some specific operations — in in particular, the simultaneous copying of numerous files. In addition, in fact, the speed of the drive may be limited by the system to which it is connected. In light of all this, it is generally acceptable to compare different SSD modules by IOPS, but the real difference in performance is likely not to be as noticeable as the difference in numbers.

As for specific values, for the write mode with IOPS up to 50K is considered relatively modest, 50 – 100K — medium, more than 100K — high.

Read IOPS

The IOPS provided by the drive in read mode.

The term IOPS refers to the maximum number of I / O operations that an SSD module can perform per second, in this case, when reading data from it. By this indicator, the speed of the drive is often evaluated; however, this is not always true. Firstly, the IOPS values of different manufacturers can be measured in different ways — by the maximum value, by the average, etc. Secondly, the advantages of high IOPS become noticeable only with some specific operations — in particular, when copying numerous files at the same time. In addition, in fact, the speed of the drive may be limited by the system to which it is connected. In light of all this, it is generally acceptable to compare different SSD modules by IOPS, but the real difference in performance is likely not to be as noticeable as the difference in numbers.

For modern SSDs in read mode, an IOPS value of less than 50K is considered a very limited indicator, in most models this parameter lies in the range of 50 – 100K, but there are also higher numbers.

TBW

The abbreviation TBW stands for drive time between failures, expressed in terabytes. In other words, this is the total amount of information that is guaranteed to be written (rewritten) to this module. This metric measures the overall reliability and lifespan of a drive—the higher the TBW, the longer the device will last, all other things being equal.

Note that knowing the TBW and the warranty period, you can calculate the number of rewrites per day (DWPD, see the relevant paragraph), if the manufacturer did not specify these data. To do this, use the formula: DWPD = TBW / (V * T * 365), where V is the drive capacity in terabytes, T is the warranty period (years). As for specific numbers, there are a lot of drives on the market with a relatively low TBW — up to 100 TB ; even these values are often sufficient for everyday use for a considerable amount of time. However, models with TBW at the level of 100 – 500 TB are more common. Values of 500 – 1000 TB can be classified as "above average", and in the most reliable solutions this figure is even higher.

DWPD

The number of full overwrites per day allowed by the design of the drive, in other words, how many times a day the entire drive can be guaranteed to be overwritten without fear of failures.

This parameter describes the overall reliability and durability of the drive. It is similar in meaning to TBW (see the relevant paragraph), one value can even be converted to another, knowing the warranty period: TBW = DWPD*V*T*365, where V is the drive capacity in terabytes, and T is the warranty period in years . However, DWPD is somewhat more specific: it describes not only the total time between failures, but also the limit on the number of rewrites per day; if this limit is exceeded, the drive may fail earlier than specified in the warranty. However, even small DWPD values — 0.5 – 1 time per day, or even less than 0.5 times a day — often turn out to be sufficient not only for simple everyday use, but even for professional tasks. Higher rates — 1 – 2 times a day or more — are rare; at the same time, it can be both high-end and low-cost SSD modules.
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HyperX Savage SSD often compared