Smart Wizard
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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.
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.
Kioxia
Pricing is still being verified
Performance, endurance, NAND architecture, thermals, and compatibility.
About This Product
The Kioxia BG4 is a compact M.2 2230 NVMe SSD utilizing PCIe 3.0 x4. With 256GB capacity, it offers faster performance than SATA SSDs but is limited by its PCIe Gen 3 interface compared to newer Gen 4 or Gen 5 drives. This drive is suitable for devices with limited space that require an M.2 2230 form factor.
Verdict
“Good for compact devices needing a basic NVMe upgrade, but not for high-performance computing.”
Performance, endurance, NAND architecture, thermals, and compatibility.
Sequential, random, and sustained speeds.
Sequential Read
2,200 MB/s
Sequential Write
1,400 MB/s
4K Random Read
330K IOPS
4K Random Write
190K IOPS
How long the drive lasts under sustained writes.
MTBF
1.5M hours
Controller, NAND, and cache — what most retailers don't show you.
NAND Type
TLC(96-layer)
NAND Brand
Kioxia BiCS FLASH
Critical for Gen5 drives and laptops.
Max Temp
85°C
Active Power
3.60 W
Laptop
Single-sided design
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