DatacenterDisk
SanDisk

SanDisk 256GB microSD

256GB
0.25TBSD ExpressmicroSD
$235.96/TB
$58.99
newIn Stock
Price updated
Price accurate as of Aug 17, 2026, 04:00 AM
Buy on Amazon →
Same capacity, other options
DriveInterfaceCond$/TBPrice
SanDisk 256GB microSDUHS-INew$151.96$37.99Buy
Silicon Power 256GB microSDUHS-INew$159.88$39.97Buy
PNY 256GB microSDUHS-INew$189.96$47.49Buy
Silicon Power 256GB microSDUHS-INew$199.88$49.97Buy
Model context

Part of the SanDisk line we track.

Quick Verdict

The SanDisk 256GB microSD is a 0.25TB SD Express enterprise drive at $235.96/TB - Verify recording technology before use in RAID. New unit with full manufacturer warranty.

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Specifications

Capacity0.25TB
Form FactormicroSD
InterfaceSD Express
Recording TechSD Express
Sector Size—
Workload Rating1TB/yr
Warranty—
ASINB0DFQGVLYF
Market context

Against every other drive we have an in-stock price for today, this one is cheaper per tb than 83% of them (98 of 118). The cheapest we can currently buy is $139.98/TB; the middle of the market is $274.90/TB.

Compare against every 0.25TB drive we track →Cheapest per terabyte, all categories →
How it compares - 0.25TB SD Express
#1PNY 256GB microSD
$199.96/TB
#2SanDisk 256GB microSDTHIS DRIVE
$214.72/TB
#3Samsung 256GB microSD
$221.96/TB
#4SanDisk 256GB microSDTHIS DRIVE
$235.96/TB
#5Samsung 256GB microSD
$236.00/TB

Compare to similar 0.25TB SD Express drives

PNY
256GB microSD
$199.96/TB
$49.99
new
Samsung
256GB microSD
$221.96/TB
$55.49
REFURB
Samsung
256GB microSD
$236.00/TB
$59.00
new
Lexar
PLAY 256GB microSD
$319.96/TB
$79.99
new

Frequently Asked Questions

This SD Express cartridge requires a compatible SD Express tape drive. SD Express 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 SD Express-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
0.25TB 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 0.25TB. 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 0.25TB 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.