Zadak TWSG4S 2 TB NVMe Review

Memory (DDR4/DDR5) and Storage (SSD/NVMe) 367 Page 2 of 17 Published by

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Specifications and features

Specifications and features

The sample of ZADAK SSD TWSG4S that has arrived for testing is the 2 TB version of the drive. It is an NVMe 1.4, PCIe 4x4 drive, so you can expect outstanding performance. Unleashed by the PCIe 4.0 ready AMD B550/X570/B650(E) X670(E) chipset and Intel from Z590 (also Z690/Z790), the SSD reaches up to an advertised 7400 MB/sec sequential read – almost fifteen times the performance of many SATA SSDs and seventy times faster than some hard disk drives. The performance stems from the hugely increased bandwidth of PCIe 4.0 (PCI-Express Generation 4), a feature that will be made available to customers for the first time as part of the AMD X570 chipset and 3rd Generation AMD Ryzen Desktop Processors. Easily fitting into a PCIe 4.0 x4 M.2 slot, the NVMe interface has been bumped upwards to the new 1.4 protocol, and high-density TLC NAND combined with a fast controller to enable a new level of single-drive SSD performance. It boasts staggering numbers. The controller is Phison PS5018-E18-41. The series is fitted with 3D TLC (Triple-level cell) NAND flash memory. It allows ZADAK to offer a bigger storage capacity at a lower price. But you’ll see how it will be in reality later in the review.

 

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Phison PS5018-E18-41 controller

ZADAK SSD TWSG4S has used the Phison PS5018-E18-41. You can find the most important information below.


Phison NVMe SSD Controller

E18

Market Segment

High-End

Manufacturing Process

12 nm FFC

CPU Cores

3x Cortex R5

Error Correction

4th Gen LDPC

DRAM

DDR4, LPDDR4

Host Interface

PCIe 4.0 x4

NVMe Version

NVMe 1.4

NAND Channels, Interface Speed

8 ch, 1200 MT/s

Max Capacity

16 TB

Sequential Read

7.0 GB/s

Sequential Write

7.0 GB/s

4KB Random Read IOPS

1M IOPS

4KB Random Write IOPS

1M IOPS

Controller Power

3.0 W

 

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Product Features (2 TB version):

  • Appearance size:  M.2 
  • Color: Black
  • Interface: PCIe Gen 4*4, NVMe
  • Storage capacity: 512 GB/ 1TB / 2TB
  • NAND flash memory: 3D TLC (Tri-Level Cell)
  • Main controller: Phison PS5018-E18-41
  • Maximum continuous read and write speed: 

                                      512 GB / 7000, 3800 MB/s
                                      1 TB / 7400, 6400 MB/s
                                      2 TB / 7400, 7000 MB/s
  • Maximum read/write operations per second (4K files):

                                      512 GB / 450 000, 700 000 IOPS
                                      1 TB / 750 000, 1 000 000 IOPS
                                      2 TB / 1 000 000, 1 000 000 IOPS
  • TBW:

                                          512 GB / 350 TB
                                          1 TB / 700 TB
                                          2 TB / 1400 TB


  • Mean Time Between Failure (MTBF): 1,600,000 hours
  • Operating temperature: 0 ℃ to 70 ℃ (32 ℉ to 158 ℉)
  • Warranty: 5 years of warranty limited by TBW* + technical support


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