Fanxiang S770 4TB NVMe SSD detailed specs (2026)

Posted on August 09, 2026 by Raymond Chen

What memory type installed in Fanxiang S770 4TB and further characteristics watch here.

Fanxiang S770 4TB NVMe SSD detailed specs

Controller & Memory

Fanxiang's 4TB S770 internal SSD use Innogrit IG5236. This storage has DRAM Yes for mapping data, located on the internal SSD. The S770 comes equipped with YMTC 128-l TLC memory. This NVMe also available in 1 TB and 2 TB capacities.

S770 Performance & Benchmarks

Drive works on PCIe M.2 4.0 x 4 interface with read speeds 7300 Mbps, and maximum write speeds equals to 6800 Mbps. This model has input/output performance 6800000 on writing and 7300000 on reading operations.

Performance comparison

Fanxiang S770 4 TB vs M.2 4.0 x 4 peers

Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 4.0 x 4 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.

  • Patriot Viper PV593 1 TB: 14,500 MB/s read, 14,000 MB/s write
  • Patriot Viper PV593 2 TB: 14,500 MB/s read, 14,000 MB/s write
  • Patriot Viper PV593 4 TB: 14,500 MB/s read, 14,000 MB/s write
  • Patriot Viper PV573 2 TB: 14,000 MB/s read, 12,000 MB/s write
  • Fanxiang S770 4 TB (this drive): 7,300 MB/s read, 6,800 MB/s write

Fanxiang S770 vs Competitors

See how the S770 stacks up against other M.2 4.0 x 4 drives in our database:

Endurance, TBW & Warranty

Fanxiang provide 2 years warranty period that limited by 100 TBW. The S770 has 2000000 million hours MTBF.

Fanxiang S770 4 TB Specifications

Category Value
Capacity [?] 4 TB
Interface [?] M.2 4.0 x 4
Controller [?] Innogrit IG5236
Memory type [?] YMTC 128-l TLC
DRAM [?] Yes
Read speed (MB/s) [?] 7300
Write speed (MB/s) [?] 6800
Read IOPS [?] 7300000
Write IOPS [?] 6800000
Endurance (TBW) [?] 100
MTBF (million hours) [?] 2000000
Warranty (years) [?] 2

Verdict: Is the S770 Worth It in 2026?

S770 (4TB) produced by Fanxiang support PCIe 4 that is undoubtedly faster than PCIe 3. The write speed is 6800 Mb/s, that is faster than has other rivals. The Internal SSD can write 100 TBW, that is not very much in comparison with nearest rivals. Overall, our editor highly advise to have Fanxiang S770 4TB for your PC.

+ Pros

  • Excellent writing speed
  • PCIe 4.0
  • Capacity

- Cons

  • Writing speed

3.8 / 5 · 92 votes

Buy this or similar SSD Storage:

Samsung 980 Pro 2 TB

-57% $165
List Price: $379.99

Buy on Amazon

Video Review

Fanxiang S770 4TB SSD for PS5 – Insane Speed & Storage You Didn’t Know You Needed!

Frequently Asked Questions

The Fanxiang S770 has Yes. Dynamic Random-Access Memory makes storage work faster, but more expensive.

The S770 4TB due to the high density of memory chips requires installation of additional heat sink. This would decrease temperature of the memory chips and controller. Some motherboards designed with additional cooling below or above the drive for improving performance during heavy loads.

The Fanxiang S770 4TB has write speed 6800 Mbps, maximum read speed 7300 Mb per second. NVMe operate on Innogrit IG5236 controller and M.2 4.0 x 4 high-speed serial computer expansion bus standard. The memory type is YMTC 128-l TLC.

Comments

  • Be the first to comment.

Comments are reviewed before they appear.

Other Fanxiang models:

Similar SSD:

Digma Top P8 Review

Digma Top P8

4 TB / M.2 4.0 x 4

Corsair MP600 Pro XT Review

Corsair MP600 Pro XT

4 TB / M.2 4.0 x 4

Kingston KC3000 Review

Kingston KC3000

4 TB / M.2 4.0 x 4

Kingston Fury Renegade Review

Kingston Fury Renegade

4 TB / M.2 4.0 x 4

Sabrent Rocket 4 Plus-G Review

Sabrent Rocket 4 Plus-G

4 TB / M.2 4.0 x 4