SanDisk Ultra vs Silicon Power 512GB

Side-by-side spec and price comparison. Live data from Amazon US.

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Our Recommendation
๐Ÿ‘‘
Silicon Power 512GB microSD

Silicon Power 512GB microSD offers the best value at $161.94/TB. Available new with manufacturer warranty.

Best $/TB: Silicon Power
Best Warranty: Silicon Power
Best for RAID: SanDisk
Full Specification Comparison
Spec
SanDisk
Ultra 512GB microSD
$210.00/TB
Silicon Power
512GB microSD
$161.94/TB
Brand
SanDisk
Silicon Power
Model
Ultra 512GB microSD
512GB microSD
Series
Ultra
โ€”
Part Number
Ultra 512GB
512GB
$/TB
$210.00
๐Ÿ‘‘$161.94
Price
$105.00
$80.97
Condition
New
New
Capacity
0.5TB
0.5TB
Interface
UHS-I
UHS-I
Form Factor
microSD
microSD
Drive Type
MicroSD
MicroSD
Recording Tech
UHS-I
UHS-I
RPM
N/A (SSD)
N/A (SSD)
Cache
โ€”
โ€”
Sector Size
โ€”
โ€”
Workload Rating
๐Ÿ‘‘1TB/yr
๐Ÿ‘‘1TB/yr
DWPD
N/A
N/A
Warranty
โ€”
โ€”
Workload Tier
โ€”
โ€”
In Stock
Check
โœ“ In Stock
Workload Fit
Workload
SanDisk
Silicon Power
NAS Storage
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Backup Target
โ—โ—โ—
โ—โ—โ—
OLTP Database
โ—
โ—
Cold Archive
โ—
โ—
Virtualization
โ—
โ—
AI/ML Storage
โ—
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Buying Recommendation
Choose SanDisk Ultra 512GB microSD if:
  • โœ“ You need new-with-warranty for compliance or budgeting
Buy SanDisk โ†’
Choose Silicon Power 512GB microSD if:
  • โœ“ You need maximum storage per dollar
  • โœ“ You need new-with-warranty for compliance or budgeting
Buy Silicon Power โ†’

Frequently Asked Questions

Silicon Power 512GB offers better value at $161.94/TB vs $210.00/TB - a 23% price difference. Factor in warranty length and workload rating when the price gap is small.

Mixing drives of different models in RAID is not recommended even if capacities match. Different firmware, error handling and seek patterns can cause rebuild issues. Use identical drives within the same RAID group for reliable operation.

Both drives carry similar warranty terms and are built for enterprise operation. Check brand-specific AFR data and Backblaze drive stats for real-world failure rate comparisons.

SanDisk Ultra is the better fit for NAS storage.