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Fikwot · PCIe 4.0 · 500 GB

Fikwot FX991 M.2 SSD 500GB NVMe PCIe Gen 4x4

M.2 2280 · QLC NAND · Host-Memory-Buffer (HMB)

Performance
63
Perf / price
100
Capacity value
50
Amazon
$95
$95
Available on Amazon Updated Oct 2, 2026
Performance63.1
Performance / price99.6
Capacity value49.8

Written analysis

Fikwot FX991 M.2 SSD 500GB NVMe PCIe Gen 4x4 at a glance

The Fikwot FX991 M.2 SSD 500GB NVMe PCIe Gen 4x4 is a 500 GB M.2 2280 SSD using PCIe 4.0 x4, NVMe 1.4. The controller is Maxio MAP1602. Flash type is 3D QLC NAND. Cache is listed as Host-Memory-Buffer (HMB).

Rated sequential throughput is 6300 MB/s read and 3100 MB/s write. Random throughput is 450K read IOPS and 600K write IOPS. The calculated specification score is 63.1.

Best fit: General storage workloads where compatibility and price matter more than peak transfer rates.

Endurance and thermals

Rated endurance is 350 TBW, or approximately 700 TBW per TB of capacity. The listed warranty is 5 years.

Current value

At $95, the drive costs $189.98 per TB. Performance / price is 99.6 and capacity value is 49.8. Compare these values with nearby drives below; interface generation and headline speed alone do not determine value.

Drive data

Full specifications

Interface, flash, controller, cache, throughput, endurance, power, warranty, and value in one technical sheet.

General

Manufacturer
Fikwot
SSD
Fikwot FX991 M.2 SSD 500GB NVMe PCIe Gen 4x4
Part number
FX991
Capacity
500 GB
Form factor
M.2 2280
Launch price
—
Amazon price
$95
Amazon availability
Available
Price updated
Oct 2, 2026

Performance

Sequential read
6300 MB/s
Sequential write
3100 MB/s
Random read
450K IOPS
Random write
600K IOPS

Value

Amazon price
$95
Price / TB
$189.98
Performance / price
99.6
Capacity value
49.8

Hardware & cache

Interface
PCIe 4.0 x4, NVMe 1.4
Interface generation
PCIe 4.0
Controller
Maxio MAP1602
NAND
3D QLC NAND
Process
12
Cache type
Host-Memory-Buffer (HMB)
DRAM
Host-Memory-Buffer (HMB)
DRAM capacity
64 MB
DRAM speed
2000 MT/s
SLC cache
Dynamic

Durability & power

Endurance
350 TBW
Endurance / TB
700 TBW
Warranty
5 years
Idle power
—
Active power
—

Additional information

Color
Black

Amazon

Price history

Nearby performance

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Discussion

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

[Lightning-fast Top Performance]: Fikwot FX991 M.2 SSD 500GB adopts NVMe protocol and PCIe Gen 4x4 specifications, and the maximum read and write speed can easily reach 6300MB/s and 3100MB/s. With lightning-fast speeds, the FX991 NVMe SSD can make your computer's systems and applications respond quickly, improving work efficiency.

[Excellent Thermal Management]: FX991 NVMe SSD 500GB is equipped with Auto-adaptive temperature adjustment and power efficiency management. It can intelligently adjust the NVMe SSD heating temperature and power consumption control, which can reduces the burden on the device and extends the battery life of laptops and other devices. We have equipped M2 SSD 500GB with high-conductivity graphite heatsink. Under high load conditions, the internal ssd reading speed can still be close to the peak.

[HMB and SLC Cache]: With HMB and smart SLC cache, FX991 M.2 NVMe SSD can deliver outstanding performance. Host Memory Buffer (HMB) technology enables NVMe SSD to use the DRAM of the host system for read and write caching and buffering, significantly improving the speed of computer startup, multitasking, and game resource transfer and reading. At the same time, FX991 M.2 SSD also supports TRIM, S.M.A.R.T, AES-256 encryption and other technologies.

[Excellent Compatibility]: Whether it is a laptop, desktop computer or game console such as PS5, FX991 500GB SSD M.2 is perfectly compatible to meet your storage needs on various devices. FX991 500GB NVMe SSD can be used as a PS5 storage expansion, and you can easily upgrade your gaming experience with it.

[5-Year Service]: We are confident in the quality of our products, so we provide a limited service of up to 5 years or 300TBW for the FX991 M.2 500GB SSD, so that you can enjoy excellent performance and reliability with confidence. Choose the top-performance FX991 M.2 2280 internal solid state drives to make your computing experience smoother and more efficient!