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Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
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Estimate wattage and PSU headroom.
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Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Fanxiang
Maxio MAP1602 controller Β· YMTC NAND.
Pricing is still being verified

Performance, endurance, NAND architecture, thermals, and compatibility.
About This Product
The Fanxiang S660 is a 4TB M.2 2280 NVMe SSD utilizing a PCIe 4.0 x4 interface. It offers high capacity and performance suitable for general computing and gaming. While it uses PCIe 4.0, its performance metrics typically place it in the mid-range of Gen4 drives, making it a cost-effective option compared to premium Gen4 SSDs.
Verdict
βGood for users needing high capacity PCIe 4.0 storage on a budget.β
Performance, endurance, NAND architecture, thermals, and compatibility.
Sequential, random, and sustained speeds.
Sequential Read
5,000 MB/s
Sequential Write
4,500 MB/s
How long the drive lasts under sustained writes.
TBW (lifetime writes)
2,800 TB
Drive Writes/Day
0.38 DWPD
calculated from TBW
Warranty
5 years
Controller, NAND, and cache β what most retailers don't show you.
Controller
Maxio MAP1602
NAND Type
TLC(128-layer)
NAND Brand
YMTC
DRAM Cache
No (HMB)
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