Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the cost

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With the new ADATA Ultimate line of SSDs, the company pioneered a new development in the field of 3D NAND flash memory — QLC (Quad-Level Cell) technology. This made it possible to significantly reduce the cost of a gigabyte of information and at the same time increase the speed of writing and reading data, compared to products with TLC memory.

The SSD Ultimate SU630 line is aimed at installation in low-cost PCs and laptops and will be comparable in cost to conventional hard drives. Upgrading to such a media will significantly increase system performance and work with data. At the same time, the manufacturer also declares a quite acceptable durability of such disks.

What is interesting about 3D QLC technology

In the ADATA Ultimate SU630 SSD line, the manufacturer has applied a new development — 3D QLC (Quad-Level Cell) memory chips. The world got acquainted with the technology of 3D NAND multilayer flash memory in 2012 — Samsung released a drive that used chips with 24 layers of cells. Today, this figure has grown to 64, and the recording density is 3.97 Gb/mm2.

Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the costBut layer density is not everything. Prior to this, information storage technology was divided into SLC (Single-level Cell) and MLC (Multi-level Cell). In the first case, a cell can store one bit of information, in the second, more than one bit.

The first technology — SLC is usually used in drives for high-level servers, because. The cost of such SSD is very high.

For home use, MLC SSDs are more suitable. In it, instead of 2 bits of information, 3 bits can be stored in a memory cell.

The TLC (Three Level Cell) memory type is a subtype of MLC memory. It has more density, but less endurance, as well as slower read and write speeds, fewer Program / Erase cycles compared to SLC and MLC.

TLC NAND type memory is used mainly in flash drives (flash drives). New technologies have made it possible to speed up cell access, and this memory has become widespread in standard SSDs.

ADATA went further and was the first to release a real product based on the new 3D QLC (Quad-Level Cell) memory. As the name implies, the manufacturer has implemented a cell with 4 levels in it, which provides for the storage of four bits of information in it. Thus, the storage density compared to TLC products is increased by 33%.

3D QLC NAND Memory Longevity

According to the manufacturer, ADATA’s Ultimate SU630 series drives last about a third less than entry-level 3D TLC NAND devices. So, the 240 GB version is designed for 50 TBW (Total Bytes Written). This is about 10 years of operation with an average recording volume of 10-15 gigabytes per day. The higher capacity models of 480 GB and 960 GB are rated at 100 and 200 TBW, respectively.

Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the cost The number of electrons, that is, the level of charge, determines which bits are stored in a flash memory cell. But the more bits that must be represented, the more error prone the technology is. Today, QLC has already been implemented in real products, and the LDPC ECC algorithm protects against errors.

At the same time, for all modifications of the series, the average uptime is 1,500,000 hours. By comparison, the ADATA Ultimate SU650 with SLC memory will last 2,000,000 hours on specification. At the same time, ADATA gives a guarantee for a new budget line for 2 years.

As the manufacturer declares, according to measurements in the ATTO benchmark, the data transfer rate in sequential read mode SSD Ultimate SU630 reaches any capacity 520 MB/s, in sequential recording mode450 MB/s.

Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the costSuch high speeds are achieved thanks to the use, among other things, of the modern controller Maxio Technology MAS0902A. The reliability of writing and reading is ensured by LDPC ECC (Low-Density Parity-Check Error Correcting Code) technology. It allows you to detect and eliminate a wide variety of errors, thereby improving the accuracy of decoding and the quality of data transmission.

Appearance, equipment and installation

Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the costThe Ultimate SU630 comes in a standard 2.5″ form factor with a nice body design made of thin and light metal with a matte black finish. On the top front side there is a brushed aluminum plate with the ADATA logo and the media index.

Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the costOn the reverse side is a sticker with information about the media. On the side faces and at the bottom there are holes for mounting the SSD in a PC or laptop. No adapters or screws are included. And the packaging itself is made in the form of a blister, like those in which flash cards are supplied.Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the cost

Speed ​​tests

We placed our ADATA Ultimate SU630 240 Gb test unit in a desktop configuration with a Core i7-6700K 4.7 GHz processor, an Asus Z170 Pro Gaming motherboard, Kingston HyperX Predator DDR4 16 GB 2666 MHz RAM, and a Crucial BX100 960 SSD system drive GB.

SSD test when connected to a PC via SATA cable

According to the test results in the benchmark, the drive showed very outstanding performance: in the CristalDiskMark benchmark, the speed of writing large files was 513 Mb / s, and reading — 561 Mb / s, which is significantly higher than the values ​​declared by the manufacturer (450 and 520 Mb / s, respectively). And it’s great!

Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the cost Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the cost Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the cost

AS SSD Benchmark showed slightly less results: 410 and 505 MB / s, respectively, for writing and reading. But on the other hand, in the ATTO test, the speed measurements are frankly pleasing: 490 and 563 Mb / s.

SSD test when connected to a PC via USB 3.0

Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the costWhen the drive was connected via a USB 3.0 port with an appropriate adapter as an external drive, the CristalDiskMark test showed a write speed of large files of 336 MB / s, and a read of 346 MB / s. The AS SSD benchmark showed slightly higher results: writing large files at 338 MB / s, and reading at 370 MB / s.

Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the cost Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the cost Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the cost

But in ATTO Benchmark, the Ultimate SU630 showed outstanding performance — about 402 MB / s for reading and about 370 MB / s for writing. Very high speed, given the connection via USB 3.0.

Test of the new SSD drive ADATA Ultimate SU630: 3D NAND QLC technology speeds up and reduces the costIn Windows 10, when copying a file with a size of about 10 GB to an SSD drive, the data transfer rate reached 80 MB / s, and for files up to 2 GB in size — 70 MB / s. This result can be called excellent and slightly higher than the data transfer rates of HDD drives.

Product Conclusion:

Based on our lab tests, the ADATA Ultimate SU630 240GB SSD received a very good speed rating, outperforming the more expensive SLC models in read and write performance. The ratio of price and quality at the time of the test for this drive is the best. However, the exact price of the device is not yet known. We hope that the cost of such drives with a capacity of 240 GB will not exceed 30$.

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