Zadak TWSG4S 2Tb NVMe detailed review

Posted on February 05, 2024 by Raymond Chen

Zadak's TWSG4S internal SSD use PCIe M.2 4.0 x 4 expansion standard. Read below about this SSD on our page.

Zadak TWSG4S 2Tb NVMe detailed review

Zadak TWSG4S 2Tb is powered by Phison PS5018-E18. The TWSG4S comes equipped with 3D Nand memory. This drive also available in 1 Tb and 512 Gb capacities.

🚀 Performance and benchmarks

Internal SSD use PCIe M.2 4.0 x 4 computer expansion bus standard with sequential read speeds 7400 MB/s, and maximum write speeds equals to 7000 Mbps. TWSG4S has IOPS 1000000 on writing and 1000000 on reading operations per second.

🖥️ Endurance and warranty

Manufacturer provide 5 years warranty for this product that limited by endurance 1400 Total Bytes Written.

📊 Specs

Category Value
Capacity 2 Tb
Interface M.2 4.0 x 4
Controller Phison PS5018-E18
Memory type 3D Nand
DRAM n/a
Read speed (Mb/s) 7400
Write speed (Mb/s) 7000
Read IOPS 1000000
Write IOPS 1000000
Endurance (TBW) 1400
MTBF (million hours) n/a
Warranty (years) 5


Zadak TWSG4S 2Tb support PCIe 4 that is twice faster than PCIe 3.0. The maximum write speed is 7000 Mb/s, that is faster than has other competitors. The NVMe SSD can write 1400 TBW, that is pretty good in comparison with competitors. When everything is weighed in the balance, we highly recommend to buy Zadak TWSG4S 2Tb for your PC.

+ Pros

  • Excellent writing speed
  • PCIe 4.0
  • Capacity
  • Endurance

- Cons

  • None

🛒 Buy this or similar SSD Storage:

Samsung 980 Pro 2 Tb

-57% $165
List Price: $379.99

Buy on Amazon

✨ Video Review

TWSG4S M.2 PCIe Gen4 x4 SSD

⁉️ FAQ

The Zadak TWSG4S 2Tb is DRAMless storage or data about it is unknown. DRAM in their controller help to increase endurance and input/output performance.

The Zadak TWSG4S 2Tb due to the high density of memory chips require the installation of extra heat sink. It will decrease temperature of the memory chips and controller. Some motherboards already has additional cooling below and above the storage to improve productivity during high loads.

The Zadak TWSG4S 2Tb has sequential write speed 7000 Mbps, read speed 7400 Mb per second. SSD works on Phison PS5018-E18 controller and M.2 4.0 x 4 high-speed serial computer expansion bus standard. The memory type is 3D Nand.
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