Kingston A400 SA400S37/960G 960 GB
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One of the most affordable and popular SSD drives on the market, which does not even think of dropping out of the top sales even though it went on sale back in 2018. The manufacturer positions it as an affordable and reliable system drive in a PC or laptop, from which it is not required to overwrite 300-500 GB of data daily. Due to its affordable price, it is an inexpensive and much faster alternative to old and clumsy HDD drives.
Refers to the 2.5” format and supports connection via SATA 3 bus. Kingston A400 SA400S37/960G is assembled from a 4-bit 3D TLC NAND flash memory array, the available Phison PS3111-S11 solution is used as a control controller. To keep up with the times in 2020, Kingston engineers equipped the device with a small 32 MB DRAM buffer, which helps it keep speed at an acceptable level when writing large amounts of data, whether it be gaming distributions, a collection of favorite 4K movies, work projects in conditional Pro Tools, etc.
To further improve efficiency, about 6% of the total drive capacity was allocated for the SLC cache. The sequential read and write speeds declared by the manufacturer are 500 and 450 MB / s, respectively. It is important to note that this is the ceiling for the SATA3 bus, only M.2 SSD drives supporting the NVMe protocol can provide faster performance. The manufacturer declares a guaranteed write resource of 300 TB, thanks to which the user can rewrite about 150 GB of data daily for 5 years.
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Buy Kingston A400 SA400S37/960G 960 GB
All prices 14 →Kingston Kingston SSDNow A400 960GB SATA III SSD HDKIN-AS400960G | £63.99 |  | |||
Kingston 960GB SSDNow A400 SATA 6Gb/s 2.5 | £46.40 |  | |||
Kingston Technology A400 960 GB 2.5" Serial ATA III TLC SA400S37/960G | £52.50 |  | |||
Kingston Technology A400 960 GB 2.5" Serial ATA III TLC SA400S37/960G | £54.84 |  | |||
Kingston SSDNow A400 960GB SATA III SSD | £61.99 |  | |||
Kingston A400 SA400S37/960G configurations
| Price for Kingston A400 SA400S37/960G | ||||
|---|---|---|---|---|
| Kingston A400 SA400S37/120G 120 GB | from £20.49 | 2 offers | |
| Kingston A400 SA400S37/240G 240 GB | from £20.99 | 15 offers | |
| Kingston A400 SA400S37/480G 480 GB | from £28.95 | 20 offers | |
| Kingston A400 SA400S37/960G 960 GB | from £43.99 | 14 offers | |
Evolution of Kingston
Ever since the Kingston A400 hit the market in 2017, it hasn't dropped out of the sales charts for a single day. Even when the prices of fast M.2 SSDs dropped noticeably. The reason for the success was the record low cost per gigabyte and the constant improvement of the device. When the A400 first went on sale, it was a bufferless solid-state based on TLC 3D NAND memory.
Phison PS3111-S11 controller
In 2023, it uses four-bit memory, a small DRAM buffer appeared, and the Phison PS3111-S11 controller controls all this goodness, which, unlike the old Marvell controllers, connects to MacOS-based PCs and laptops without any problems. The sequential read and write speeds for large files are standard for SATA 3 SSDs - 500 and 450 MB / s, respectively. The manufacturer does not indicate the processing speed of small 4K files. Based on benchmark measurements, we got a figure in the region of 90 thousand IOPS, like the Kingston A400 model with a volume of 480 GB.
Small amount of SLC cache
Despite the presence of a buffer, its volume is only 32 MB, and about 6% of the total volume is allocated for the SLC mode, therefore, when writing a very large amount of data at a time, the virtual array overflows over time and the write speed drops several times to level 80 – 100 Mb/s. All things considered, this model will be an excellent choice for undemanding users who want to get the basic benefits of moving from an HDD to an SSD.
