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Share Comparison
Storage
A55
Silicon Power
$7997
KC400
Kingston
$7608
Capacity Gb
512256
Capacity
512 GB256 GB
Flash Type
-MLC
Form Factor
2.5"2.5"
Heatsink
No No
Bus
SATA Gen 3SATA Gen 3
NVMe
No No
PCIe Standard
N/AN/A
Random I/O per Second (Read)
-99,000
Random I/O per Second (Write)
-88,000
SATA Speed
6 Gb/s6 Gb/s
Sequential Read Speed
-550 MB/s
Sequential Write Speed
-540 MB/s
Storage Type
Solid State DiskSolid State Disk
TDP
-3.7W
Part Number
SP512GBSS3A55S25 SU512GBSS3A55S25NESKC400S37
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Comparison Analysis

Comparing the A55 vs KC400 reveals distinct differences in their targeted use cases.

The KC400 is the more budget-friendly option, costing approximately $4 (5%) less than the A55.