SanDisk

SanDisk Ultra 128GB microSD

Ultra 128GB
Ultra0.125TBUHS-ImicroSD
$263.92/TB
$32.99
newIn Stock
Price updated
Price accurate as of Aug 17, 2026, 02:39 AM
Buy on Amazon →
Same capacity, other options
DriveInterfaceCond$/TBPrice
Silicon Power 128GB microSDUHS-INew$215.76$26.97Buy
SanDisk Ultra 128GB microSDUHS-INew$223.60$27.95Buy
SanDisk Ultra 128GB microSDUHS-INew$230.00$28.75Buy
Kingston Canvas Select Plus 128GB microSDUHS-INew$239.60$29.95Buy
Model context

Part of the SanDisk line we track.

Quick Verdict

The SanDisk Ultra 128GB microSD is a 0.125TB UHS-I enterprise drive at $263.92/TB - Verify recording technology before use in RAID. New unit with full manufacturer warranty.

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Specifications

Capacity0.125TB
Form FactormicroSD
InterfaceUHS-I
Recording TechUHS-I
Sector Size
Workload Rating1TB/yr
Warranty
ASINB0B7NTY2S6
Market context

Against every other drive we have an in-stock price for today, this one is cheaper per tb than 57% of them (67 of 118). The cheapest we can currently buy is $139.98/TB; the middle of the market is $274.90/TB.

Compare against every 0.125TB drive we track →Cheapest per terabyte, all categories →
How it compares - 0.125TB UHS-I
#1Silicon Power 128GB microSD
$215.76/TB
#2SanDisk Ultra 128GB microSD
$223.60/TB
#3SanDisk Ultra 128GB microSD
$230.00/TB
#4Kingston Canvas Select Plus 128GB microSD
$239.60/TB
#5SanDisk Ultra 128GB microSD
$247.04/TB

Frequently Asked Questions

This UHS-I cartridge requires a compatible UHS-I tape drive. UHS-I drives can also read the previous LTO generation.

BaFe (Barium Ferrite) tape media has an archival life of 30+ years when stored in controlled conditions (18-26°C, 20-50% humidity). Store tapes vertically and avoid magnetic fields.

Yes. LTO is an open standard. This cartridge works in any UHS-I-compatible standalone drive or automated tape library regardless of manufacturer.

Use Case Scenarios

🏠
Home & SMB NAS
Building a mid-range NAS for media, backups and file sharing.
~ Good fit
Verify CMR recording before using in RAID. New drives come with full warranty.
💾
Backup Server / Veeam Target
Dedicated backup storage for Veeam, Commvault, or NetBackup.
✓ Excellent fit
0.125TB SATA drives are ideal for backup targets. SATA gives maximum $/TB for backup repositories.
🏗️
Virtualization Host Storage
VM images and snapshots on Proxmox, VMware or Hyper-V.
~ Good fit
Suitable for VM storage where workloads are not IOPS-intensive. SATA is fine for single-host VM storage. Consider NVMe cache for latency-sensitive VMs.

Maintenance & Troubleshooting

Maintenance Checklist

On installCheck SMART baseline on arrival
Run smartctl -a /dev/sdX and record: Reallocated_Sector_Ct, Power_On_Hours, Spin_Retry_Count. Establishes baseline for future comparison.
MonthlyRun SMART short self-test
smartctl -t short /dev/sdX — takes 1-2 minutes, catches most developing issues. Schedule during off-peak.
QuarterlyRun SMART long self-test
smartctl -t long /dev/sdX — full surface scan, takes 0 hours for 0.125TB. Any test failure is grounds for immediate replacement.
QuarterlyCheck RAID array health
Verify no degraded drives. A degraded array with no hot spare is one failure from data loss. Check mdstat or controller UI.
AnnuallyVerify drive firmware version
Check SanDisk support site for firmware updates. Some versions have known bugs affecting integrity.
Every 3-5 yearsPlan proactive replacement
Enterprise HDDs have higher failure rates after year 4-5. At 0.125TB per drive, budget for replacements before failures occur.

Troubleshooting Guide

Cause: Loose SATA data or power cable, failed port, or drive not spinning up.
Fix: Reseat both cables. Try a different port. Listen for spin-up sound. Test with a known-good cable.